CN107872822B - Service bearing method and device - Google Patents
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Abstract
The invention discloses a service bearing method and a service bearing device, which are used for solving the problems of base station offline, user service release, base station remote operation and maintenance failure and the like caused by link failure between a base station and each opposite terminal due to the fact that a network layer at the home terminal of the base station has a failure or abnormal configuration. The method comprises the following steps: after establishing links for the target service based on at least two home terminal IP addresses corresponding to the target service, the base station selects a corresponding number of links from all links corresponding to the target service as main links to carry service data information according to the number of preset main links corresponding to the target service, and switches the service data information of the target service to a standby link when determining that a fault link occurs in the main links of the target service. Therefore, even if the main link fails, the base station can adopt the standby link to carry service data information, and the influence on the service caused by the link failure is effectively avoided.
Description
Technical Field
The present invention relates to the field of wireless communications technologies, and in particular, to a service bearer method and a service bearer apparatus.
Background
In a Time Division Long Term Evolution (TD-LTE) system, the following three types of links exist between a base station and an Operation and Maintenance Center (OMC) and an Evolved Packet Core (EPC):
the first link: an Operation and Maintenance (OM) link is a data transmission link between a base station and an OMC, and specifically, the OM link is established by the base station through an Internet Protocol (IP) address of a home terminal and an IP address of an OMC of an opposite terminal. Therefore, a Simple Network Management Protocol (SNMP) message based on a User Datagram Protocol (UDP) (i.e., service data information of an operation and maintenance service) can be borne between the base station and the opposite terminal OMC through an OM link, thereby realizing remote maintenance of the base station.
The second link: the S1-MME signaling link is an S1 signaling plane link between a base station and a Mobility Management Entity (MME) network element of an EPC control plane, and specifically, the base station establishes an S1-MME signaling link with an IP address of an opposite MME through an IP address of a home MME. Thus, the service data information of the signaling service based on Stream Control Transmission Protocol (SCTP) can be carried between the base station and the opposite-end MME through the S1-MME signaling link.
The third link: S1-U service Link: the Service Gateway (SGW) is an S1 user plane link between a base station and an SGW network element in an EPC, and specifically, the base station establishes an S1-U service link with an IP address of an SGW of an opposite terminal through an IP address of the local terminal. Therefore, the service data information of the user service based on the UDP can be carried between the base station and the SGW at the opposite end through the S1-U service link.
Based on the above analysis, if the network layer configuration of the base station local end is abnormal or has other faults (for example, an IP address error, etc.), a link fault between the base station and each opposite end may be caused, so that the base station is disconnected from the management, the user service is released, the remote operation and maintenance of the base station fails, and the user experience is further affected.
Disclosure of Invention
The embodiment of the invention provides a service bearing method and a service bearing device, which are used for solving the problems of base station offline, user service release, base station remote operation and maintenance failure and the like caused by link failure between a base station and each opposite terminal due to abnormal configuration or other failures of a network layer at the home terminal of the base station in the prior art.
The embodiment of the invention provides the following specific technical scheme:
a method for carrying a service includes:
a base station establishes a link for a target service according to a link establishment mode corresponding to the target service based on at least two home terminal Internet Protocol (IP) addresses corresponding to the target service, wherein the at least two home terminal IP addresses corresponding to the target service are pre-configured by the base station;
the base station selects a corresponding number of links as the main links to carry service data information from all the links corresponding to the target service according to the preset number of the main links corresponding to the target service;
and when the base station determines that a fault link occurs in the main link corresponding to the target service, switching the service data information of the target service to a standby link corresponding to the target service according to a link switching mode corresponding to the target service, wherein the standby link corresponding to the target service is other links except the fault link in all links corresponding to the target service.
Preferably, the base station establishes a link for the target service according to a link establishment method corresponding to the target service based on at least two home terminal IP addresses corresponding to the target service, including:
if the target service is a signaling service, the base station establishes at least two S1-MME signaling links for the signaling service based on at least two home terminal IP addresses corresponding to the signaling service by adopting a link establishment mode that one home terminal IP address corresponds to one opposite terminal IP address;
if the target service is a user service, the base station establishes at least two S1-U service links for the user service based on at least two home terminal IP addresses corresponding to the user service by adopting a link establishment mode that one home terminal IP address corresponds to at least one opposite terminal IP address;
if the target service is a remote maintenance service, the base station selects a home terminal IP address from at least two home terminal IP addresses corresponding to the remote maintenance service, and establishes an operation and maintenance OM link for the remote maintenance service based on the selected home terminal IP address and an opposite terminal IP address.
Preferably, the base station selects a corresponding number of links from all links corresponding to the target service as the primary links to carry out service data information according to the preset number of primary links corresponding to the target service, including:
if the target service is a signaling service, the base station selects one S1-MME signaling link from all S1-MME signaling links corresponding to the signaling service as a main link to carry service data information;
if the target service is a user service, the base station uses all S1-U service links corresponding to the user service as main links to carry out service data information bearing;
and if the target service is a remote maintenance service, the base station directly uses an OM link corresponding to the remote maintenance service as a main link to carry out service data information.
Preferably, when the base station determines that a failed link occurs in the primary link corresponding to the target service, the switching the service data information of the target service to the standby link corresponding to the target service according to the link switching manner corresponding to the target service includes:
if the target service is a signaling service, when the base station detects that a main link corresponding to the signaling service is a faulty link, after determining a home terminal IP address corresponding to the faulty link, screening all S1-MME signaling links established based on the home terminal IP address corresponding to the faulty link from all S1-MME signaling links corresponding to the signaling service, and selecting one S1-MME signaling link from all the remaining S1-MME signaling links as a standby link to carry service data information of the signaling service;
if the target service is a user service, when the base station detects that a fault link exists in a main link corresponding to the user service, releasing service data information carried by the fault link, and using all main links except the fault link as standby links to carry the service data information of the user service;
if the target service is a remote maintenance service, when the base station detects that a main link corresponding to the remote maintenance service is a fault link, after determining a home terminal IP address corresponding to the fault link, selecting a home terminal IP address again from all home terminal IP addresses corresponding to the remote maintenance service except the home terminal IP address corresponding to the fault link, establishing an OM link for the remote maintenance service again based on the home terminal IP address and an opposite terminal IP address selected again, and when determining that the establishment is successful, taking the OM link established again as a standby link to bear service data information of the remote maintenance service.
Preferably, when the base station establishes an OM link for the remote maintenance service again based on the selected home terminal IP address and the selected peer terminal IP address, the method further includes:
after determining that the establishment is failed, the base station reselects a home terminal IP address from all other home terminal IP addresses corresponding to the remote maintenance service except the home terminal IP address corresponding to the fault link and the reselected home terminal IP address, and reestablishes an OM link for the remote maintenance service based on the reselected home terminal IP address and an opposite terminal IP address; or,
after the base station determines that the establishment is failed, whether the fault link is recovered to be normal is judged, if so, the recovered normal main link is restarted to bear the service data information of the remote maintenance service; otherwise, the re-selected home terminal IP address and the re-selected opposite terminal IP address are re-started, and an OM link is established for the remote maintenance service.
A device for carrying traffic, comprising:
and a link establishing unit. The device comprises a load-bearing device and a link establishing device, wherein the load-bearing device is used for establishing a link for a target service according to a link establishing mode corresponding to the target service based on at least two home terminal Internet Protocol (IP) addresses corresponding to the target service, wherein the at least two home terminal IP addresses corresponding to the target service are pre-configured by the load-bearing device;
a data carrying unit, configured to select links of a corresponding number from all links corresponding to the target service as primary links to carry service data information according to the number of preset primary links corresponding to the target service;
and a link switching unit, configured to switch, when it is determined that a failed link occurs in the active link corresponding to the target service, the service data information of the target service to a standby link corresponding to the target service according to a link switching manner corresponding to the target service, where the standby link corresponding to the target service is a link other than the failed link in all links corresponding to the target service.
Preferably, when a link is established for the target service according to a link establishment method corresponding to the target service based on at least two home terminal IP addresses corresponding to the target service, the link establishment unit is configured to:
if the target service is a signaling service, establishing at least two S1-MME signaling links for the signaling service based on at least two home terminal IP addresses corresponding to the signaling service by adopting a link establishment mode that one home terminal IP address corresponds to one opposite terminal IP address;
if the target service is a user service, establishing at least two S1-U service links for the user service based on at least two home terminal IP addresses corresponding to the user service by adopting a link establishing mode that one home terminal IP address corresponds to at least one opposite terminal IP address;
if the target service is a remote maintenance service, selecting a home terminal IP address from at least two home terminal IP addresses corresponding to the remote maintenance service, and establishing an operation and maintenance OM link for the remote maintenance service based on the selected home terminal IP address and an opposite terminal IP address.
Preferably, when a corresponding number of links are selected as the primary links to carry out service data information loading from all links corresponding to the target service according to the preset number of the primary links corresponding to the target service, the data loading unit is configured to:
if the target service is a signaling service, selecting one S1-MME signaling link from all S1-MME signaling links corresponding to the signaling service as a main link to carry out service data information bearing;
if the target service is a user service, all S1-U service links corresponding to the user service are used as main links to carry out service data information bearing;
and if the target service is a remote maintenance service, directly taking an OM link corresponding to the remote maintenance service as a main link to carry out service data information bearing.
Preferably, when determining that a failed link occurs in the active link corresponding to the target service, and switching the service data information of the target service to the standby link corresponding to the target service according to the link switching manner corresponding to the target service, the link switching unit is configured to:
if the target service is a signaling service, when detecting that a main link corresponding to the signaling service is a failed link, after determining a home terminal IP address corresponding to the failed link, screening all S1-MME signaling links established based on the home terminal IP address corresponding to the failed link from all S1-MME signaling links corresponding to the signaling service, and selecting one S1-MME signaling link from all the remaining S1-MME signaling links as a standby link to carry service data information of the signaling service;
if the target service is a user service, when detecting that a fault link exists in a main link corresponding to the user service, releasing service data information carried by the fault link, and using all main links except the fault link as standby links to carry the service data information of the user service;
if the target service is a remote maintenance service, when detecting that a main link corresponding to the remote maintenance service is a fault link, after determining a home terminal IP address corresponding to the fault link, selecting a home terminal IP address again from all other home terminal IP addresses corresponding to the remote maintenance service except the home terminal IP address corresponding to the fault link, establishing an OM link for the remote maintenance service again based on the home terminal IP address and an opposite terminal IP address selected again, and when determining that the establishment is successful, taking the OM link established again as a standby link to bear service data information of the remote maintenance service.
Preferably, when an OM link is established for the remote maintenance service again based on the selected home terminal IP address and the selected peer terminal IP address, the link switching unit is further configured to:
after the establishment is determined to fail, reselecting a home terminal IP address from all other home terminal IP addresses corresponding to the remote maintenance service except the home terminal IP address corresponding to the fault link and the reselected home terminal IP address, and reestablishing an OM link for the remote maintenance service based on the reselected home terminal IP address and an opposite terminal IP address; or,
after the establishment is determined to be failed, judging whether the fault link is recovered to be normal or not, if so, restarting a recovered normal main link to bear the service data information of the remote maintenance service; otherwise, the re-selected home terminal IP address and the re-selected opposite terminal IP address are re-started, and an OM link is established for the remote maintenance service.
The embodiment of the invention has the following beneficial effects:
in the embodiment of the invention, after the base station establishes the links for the target service based on at least two home terminal IP addresses corresponding to the target service, a specified number of links can be selected from all links corresponding to the target service as the main link to bear the service data information of the target service, and even if the base station detects that the main link has a fault link, the base station can switch the service data information of the target service to the standby links except the fault link, thereby reducing the influence of the link fault on the target service and ensuring the normal operation of the target service. That is to say, by pre-configuring at least two home terminal IP addresses for the target service, even if the base station detects that a failed home terminal IP address or an abnormally configured home terminal IP address exists in the at least two home terminal IP addresses corresponding to the target service, the base station can start other home terminal IP addresses corresponding to the target service, and the link established based on the other home terminal IP addresses bears service data information of the target service, thereby avoiding the problems of base station offline, user service release, base station remote operation and maintenance failure and the like caused by the link failure between the base station and each opposite terminal due to the abnormal configuration or other failures of the home terminal network layer of the base station, and maximally ensuring the service experience of the user.
Drawings
Fig. 1 is a schematic diagram illustrating an overview of a service bearer method according to an embodiment of the present invention;
fig. 2A is a schematic diagram of an S1-MME signaling link corresponding to a signaling service when a base station configures two home terminal IP addresses for the signaling service in the embodiment of the present invention;
fig. 2B is a schematic diagram of an S1-U service link corresponding to a user service when a base station configures two home terminal IP addresses for the user service in the embodiment of the present invention;
fig. 2C is a schematic view of an OM link corresponding to a remote maintenance service when a base station configures two home IP addresses for the remote maintenance service in the embodiment of the present invention;
fig. 3A is a schematic diagram illustrating a specific flow of a service loading method when a target service is a signaling service in the embodiment of the present invention;
fig. 3B is a specific flowchart of a service loading method when a target service is a user service in the embodiment of the present invention;
fig. 3C is a schematic specific flowchart of a service bearer method when a target service is a remote maintenance service in the embodiment of the present invention;
fig. 4 is a functional structure diagram of a service bearer in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problems that link failure between a base station and each opposite terminal is caused by abnormal configuration or other failures of a network layer at the home terminal of the base station in the prior art, so that the base station is disconnected from management, user service is released, and remote operation and maintenance of the base station fails, in the embodiment of the invention, the base station configures at least two home terminal IP addresses for a target service, establishes a link for the target service according to a link establishment mode corresponding to the target service on the basis of the at least two home terminal IP addresses corresponding to the target service, and selects a corresponding number of links as main links to carry service data information from all links corresponding to the target service according to a preset number of main links corresponding to the target service. Therefore, even if the main link of the target service fails, the service data information of the target service can be switched to the standby link corresponding to the target service, and the influence on the target service caused by the link failure is effectively reduced.
The present invention will be described in detail with reference to specific examples, but it is to be understood that the present invention is not limited to the examples.
Referring to fig. 1, in the embodiment of the present invention, a flow of a service bearer method is as follows:
step 100: the base station establishes a link for the target service according to a link establishment mode corresponding to the target service based on at least two home terminal IP addresses corresponding to the target service, wherein the at least two home terminal IP addresses corresponding to the target service are pre-configured by the base station.
In practical application, in order to avoid as much as possible the problems that due to an abnormal configuration of the home terminal IP address of the base station or other failures, the link between the base station and each opposite terminal fails, and further the base station is out of management, a large number of user services are released, and the base station fails in remote operation and maintenance, the base station will configure at least two home terminal IP addresses for each type of service, and establish links for each type of service according to the link establishment modes corresponding to each type of service based on the at least two home terminal IP addresses corresponding to each type of service. Specifically, in the embodiment of the present invention, only three target services, namely, a signaling service, a user service, and a remote maintenance service, are taken as examples for description.
If the target service is a signaling service, the base station establishes at least two S1-MME signaling links for the signaling service based on at least two home terminal IP addresses corresponding to the signaling service by using a link establishment manner in which one home terminal IP address corresponds to one opposite terminal IP address (i.e., an IP address of an MME network element).
If the target service is a user service, the base station establishes at least two S1-U service links for the user service based on at least two home terminal IP addresses corresponding to the user service by adopting a link establishment mode that one home terminal IP address corresponds to at least one opposite terminal IP address.
If the target service is a remote maintenance service, in practical application, considering factors such as link establishment cost and complexity, when the base station establishes an OM link for the remote maintenance service, the base station may select a home IP address from at least two home IP addresses corresponding to the remote maintenance service, and establish an operation and maintenance OM link for the remote maintenance service based on the selected home IP address and an opposite IP address.
For example: (1) the target service is: and (4) signaling service. Assume that the home terminal IP address configured for the signaling service by the base station a is: home terminal IP address 1 and home terminal IP address 2; the opposite terminal IP addresses (i.e. IP addresses of MME network elements or MME POOL) are the opposite terminal IP address 1 'and the opposite terminal IP address 2'.
Referring to fig. 2A, a base station a uses a link establishment method that a home terminal IP address corresponds to an opposite terminal IP address, establishes S1-MME signaling link 1 (i.e., Path1 in fig. 2A) for a signaling service based on the home terminal IP address 1 and the opposite terminal IP address 1', and establishes S1-MME signaling link 2 (i.e., Path2 in fig. 2A) for the signaling service based on the home terminal IP address 2 and the opposite terminal IP address 2'.
(2) The target service is: and (4) user service. Assume that the home terminal IP address configured by the base station a for the user service is: home IP address 3 and home IP address 4; the correspondent IP addresses (i.e. the IP addresses of the SGW network elements or SGW POOL) are correspondent IP address 3 'and correspondent IP address 4'.
Referring to fig. 2B, a base station a uses a link establishment method in which a home terminal IP address corresponds to at least one peer terminal IP address, and establishes, based on the home terminal IP address 3 and the peer terminal IP address 3', the home terminal IP address 3 and the peer terminal IP address 4', an S1-U service link 1 (i.e., a Path1 in fig. 2B) and an S1-U service link 2 (i.e., a Path2 in fig. 2B) for a user service, and establishes, based on the home terminal IP address 4 and the peer terminal IP address 3', the home terminal IP address 4 and the peer terminal IP address 4', an S1-U service link 3 (i.e., a Path3 in fig. 2B) and an S1-U service link 4 (i.e., a Path4 in fig. 2B) for the user service, respectively.
(3) The target service is: and (5) remotely maintaining service. Assume that the home terminal IP address configured for the remote maintenance service by the base station a is: home IP address 5 and home IP address 6; the correspondent IP address (i.e., the IP address of the OMC) is the correspondent IP address 5'.
Referring to fig. 2C, the base station a selects the home IP address 5 from the home IP address 5 and the home IP address 6, and establishes an OM link 1 for the remote maintenance service based on the home IP address 5 and the opposite IP address 5' (i.e., Path1 in fig. 2C).
Step 110: and the base station selects links with corresponding number as the main links to carry service data information from all the links corresponding to the target service according to the preset number of the main links corresponding to the target service.
Correspondingly, when step 110 is executed, if the target service is a signaling service, the base station selects one S1-MME signaling link from all S1-MME signaling links corresponding to the signaling service as an active link for carrying service data information.
And if the target service is a user service, the base station takes all S1-U service links corresponding to the user service as main links to carry service data information.
And if the target service is a remote maintenance service, the base station directly uses an OM link corresponding to the remote maintenance service as a main link to carry out service data information.
For example: continuing with the above example, (1) the base station a may select the S1-MME signaling link 1 as the active link to carry the service data information from the S1-MME signaling link 1 and the S1-MME signaling link 2 corresponding to the signaling service, and at this time, the S1-MME signaling link 2 does not carry the service data information, but only carries the heartbeat data.
(2) The base station a may connect four S1-U service links corresponding to the user service: the S1-U service link 1, the S1-U service link 2, the S1-U service link 3 and the S1-U service link 4 are all used as main links, and service data information of all user services is distributed to the four main links according to weights.
(3) The base station A directly uses the OM link 1 corresponding to the remote maintenance service as the main link to carry service data information.
Step 120: and when the base station determines that a fault link occurs in the main link corresponding to the target service, switching the service data information of the target service to a standby link corresponding to the target service according to a link switching mode corresponding to the target service, wherein the standby link corresponding to the target service is other links except the fault link in all links corresponding to the target service.
In practical application, if the base station detects that the active link corresponding to the signaling service is a failed link, after determining the home terminal IP address corresponding to the failed link, screening all S1-MME signaling links established based on the home terminal IP address corresponding to the failed link from all S1-MME signaling links corresponding to the signaling service, and selecting one S1-MME signaling link from all remaining S1-MME signaling links as a standby link to carry service data information of the signaling service. Therefore, even if the main link fails, the service data information on the main link can be switched to the standby link, so that the signaling service on the main link is ensured not to be disconnected. That is, even if the local IP address corresponding to the active link fails or is abnormally configured, other local IP addresses configured for the signaling service by the base station may be enabled, and the standby link established based on the other IP addresses carries service data information on the active link, thereby ensuring that the signaling service on the active link is not dropped, and further ensuring normal operation of the signaling service.
If the base station detects that a fault link exists in the main link corresponding to the user service, after releasing the service data information carried by the fault link, all the main links except the fault link are used as standby links to carry the service data information of the user service. Therefore, when a fault link exists in the main link, only the service data information carried on the fault link is released, but the service data information carried on the non-fault link is not influenced.
If the base station detects that the main link corresponding to the remote maintenance service is a failed link, after the home terminal IP address corresponding to the failed link is determined, a home terminal IP address is selected again from all other home terminal IP addresses corresponding to the remote maintenance service except the home terminal IP address corresponding to the failed link, an OM link is established again for the remote maintenance service based on the home terminal IP address and an opposite terminal IP address selected again, and when the establishment is determined to be successful, the OM link established again is used as a standby link to bear service data information of the remote maintenance service. Therefore, even if the home terminal IP address corresponding to the main link fails or is abnormally configured, the base station can quickly establish an OM link for the remote maintenance service again based on other home terminal IP addresses corresponding to the remote maintenance service, and bear the service data information of the remote maintenance service through the established OM link (namely, the standby link), thereby effectively improving the maintenance quality of the base station and reducing the operation and maintenance cost.
Further, when the base station establishes an OM link for the remote maintenance service again based on the selected home IP address and the selected peer IP address, if it is determined that the link establishment fails, the base station may adopt, but is not limited to, the following two ways to carry service data information of the remote maintenance service:
the first mode (the mode is suitable for that the base station configures at least three home terminal IP addresses for the remote maintenance service): the base station may reselect a home terminal IP address from all other home terminal IP addresses corresponding to the remote maintenance service except the home terminal IP address corresponding to the faulty link and the reselected home terminal IP address, reestablish an OM link for the remote maintenance service based on the reselected home terminal IP address and an opposite terminal IP address, and use the reestablished OM link to carry service data information of the remote maintenance service when it is determined that establishment is successful.
The second mode (the mode is not only suitable for the base station to configure at least three home terminal IP addresses for the remote maintenance service, but also suitable for the base station to configure only two home terminal IP addresses for the remote maintenance service): after the base station determines that the establishment is failed, whether the fault link is recovered to be normal is judged, if so, the recovered normal main link is restarted to bear the service data information of the remote maintenance service; otherwise, the re-selected home terminal IP address and the re-selected opposite terminal IP address are re-started, an OM link is established for the remote maintenance service, and when the establishment is determined to be successful, the re-established OM link is adopted to bear the service data information of the remote maintenance service.
For example: continuing to use the above example, (1) when the base station a detects that the active link (i.e., the S1-MME signaling link 1) fails, and further determines that the home terminal IP address corresponding to the S1-MME signaling link 1 is the home terminal IP address 1, the home terminal IP address 2 is enabled, that is, the S1-MME signaling link 2 is used as a standby link, and the service data information carried by the S1-MME signaling link 1 is switched to the standby link: S1-MME signaling link 2. Thus, at the active link: when the local terminal IP address 1 corresponding to the S1-MME signaling link 1 has a fault or is abnormally configured, the local terminal IP address 2 configured for the signaling service by the base station can be started, and the service data information loaded on the S1-MME signaling link 1 is switched to the S1-MME signaling link 2, so that the signaling service loaded on the S1-MME signaling link 1 is not influenced by the fault of the local terminal IP address 1, and the normal operation of the signaling service is ensured.
(2) When the base station A detects that the S1-U service link 1 and the S1-U service link 2 in all the main links (i.e. the S1-U service link 1, the S1-U service link 2, the S1-U service link 3 and the S1-U service link 4) corresponding to the user service fail, namely when determining that the local IP address 3 fails, the base station A releases the service data information carried by the S1-U service link 1 and the S1-U service link 2, and uses the S1-U service link 3 and the S1-U service link 4 as a standby link, when accessing a new user, the base station A only carries the local IP address 4 in an Initial Context Setup Response (Initial Context Setup Response, ICSR) and returns the service data information of the new user service and the service data information of the accessed user service, will be carried by weight on both the S1-U service link 3 and the S1-U service link 4 backup links. Further, when the S1-U service link 1 and the S1-U service link 2 are recovered, the service data information of all the user services is loaded on four active links, namely the S1-U service link 1, the S1-U service link 2, the S1-U service link 3 and the S1-U service link 4 according to the weight. Therefore, when the local IP address 3 is in fault or abnormal configuration, the service data information carried by the S1-U service link 1 and the S1-U service link 2 is only released, and the user services carried by the S1-U service link 3 and the S1-U service link 4 are not influenced by the fault of the local IP address 3, and when new user services are subsequently accessed, the service data information of the new user services can be carried by the S1-U service link 3 and the S1-U service link 4, so that the normal operation of the newly accessed user services is ensured while the influence of part of the accessed user services is ensured, and the influence of the link fault on the user services is effectively reduced.
(3) When the base station A detects that a main link (namely OM link 1) corresponding to the remote maintenance service fails, and further determines that a home terminal IP address corresponding to the OM link 1 is a home terminal IP address 5, the home terminal IP address 6 is started, and an OM link 2 is quickly established for the remote maintenance service based on the home terminal IP address 6 and an opposite terminal IP address 5' (or other opposite terminal IP addresses), and if the OM link 2 is successfully established, the base station A can directly use the OM link 2 as a standby link to bear service data information of the remote maintenance service; if the OM link 2 is failed to be established, because the local IP address configured by the base station a for the remote maintenance service only has the local IP address 5 and the local IP address 6, and the base station a cannot establish one OM link for the remote maintenance service again based on the other local IP addresses except the local IP address 5 and the local IP address 6 (that is, the second method is not applicable), the base station a may attempt to switch the service data information of the remote maintenance service to the OM link 1, if the switching fails, that is, if the OM link 1 is still in an abnormal state at this time, the base station a may restart the local IP address 6, attempt to establish the OM link 2 for the remote maintenance service based on the local IP address 6 and the opposite IP address 5', and the process is repeated until the OM link 1 is recovered to be normal, or the OM link 2 is successfully established, and further, the normal OM link 1 or the OM link 2 that is successfully established may be recovered to carry the service data information of the remote maintenance service . Therefore, even if the local IP address 5 corresponding to the OM link 1 fails or is configured abnormally, the base station A can start the local IP address 6, establish an OM link 2 for the remote maintenance service again, bear the service data information of the remote maintenance service through the OM link 2 as long as the OM link 2 is established successfully, and return the OM link 1 to try even if the OM link 2 is established unsuccessfully, so that the seamless automatic switching of the OM link is realized, the maintenance quality of the base station is effectively improved, and the maintenance cost is reduced.
In the following, the above embodiment is further described in detail with a specific application scenario that the target service is a signaling service, and referring to fig. 3A, in the embodiment of the present invention, a specific flow of the service carrying method is as follows:
step 300: the base station A configures two home terminal IP addresses for the signaling service, namely a home terminal IP address 1 and a home terminal IP address 2.
Step 301: the base station A establishes S1-MME signaling link 1 for the signaling service based on the home terminal IP address 1 and the opposite terminal IP address 1', and establishes S1-MME signaling link 2 for the signaling service based on the home terminal IP address 2 and the opposite terminal IP address 2'.
Step 302: the base station A takes the S1-MME signaling link 1 as a main link to carry service data information, and takes the S1-MME signaling link 2 as a standby link, and the standby link does not carry service data information, but only carries heartbeat data information.
Step 303: when the base station a detects that the active link (i.e., the S1-MME signaling link 1) fails, after further determining that the home terminal IP address corresponding to the S1-MME signaling link 1 is the home terminal IP address 1, the home terminal IP address 2 is activated, that is, the standby link is activated: and S1-MME signaling link 2, and switching the service data information carried by the S1-MME signaling link 1 to the S1-MME signaling link 2.
In the following, the above embodiment is further described in detail with the target service being the user service as a specific application scenario, referring to fig. 3B, in the embodiment of the present invention, a specific flow of the service carrying method is as follows:
step 310: the base station A configures two home terminal IP addresses for the user service, namely a home terminal IP address 3 and a home terminal IP address 4.
Step 311: the base station A respectively establishes an S1-U service link 1 and an S1-U service link 2 for user service based on a home terminal IP address 3 and an opposite terminal IP address 3', the home terminal IP address 3 and an opposite terminal IP address 4', and respectively establishes an S1-U service link 3 and an S1-U service link 4 for the user service based on a home terminal IP address 4 and an opposite terminal IP address 3', the home terminal IP address 4 and an opposite terminal IP address 4'.
Step 312: the base station A takes the S1-U service link 1, the S1-U service link 2, the S1-U service link 3 and the S1-U service link 4 as main links, and distributes the service data information of all the user services to the four main links according to the weight.
Step 313: when the base station A detects that the S1-U service link 1 and the S1-U service link 2 have faults, namely when the IP address 3 of the local terminal is determined to have faults, the service data information carried by the S1-U service link 1 and the S1-U service link 2 is released.
Step 314: the base station A takes the S1-U service link 3 and the S1-U service link 4 as standby links, and when determining to access a new user, the service data information of all user services is loaded on the S1-U service link 3 and the S1-U service link 4 according to the weight.
Step 315: when the base station determines that the S1-U service link 1 and the S1-U service link 2 are recovered to be normal, the base station loads the service data information of all user services on four main links of the S1-U service link 1, the S1-U service link 2, the S1-U service link 3 and the S1-U service link 4 according to the weight.
In the following, the above embodiment is further described in detail with a specific application scenario that the target service is a remote maintenance service, and referring to fig. 3C, in the embodiment of the present invention, a specific flow of the service carrying method is as follows:
step 320: the base station A configures two home terminal IP addresses for the remote maintenance service, namely a home terminal IP address 5 and a home terminal IP address 6.
Step 321: the base station A selects the local terminal IP address 5 from the local terminal IP address 5 and the local terminal IP address 6, and establishes an OM link 1 for the remote maintenance service based on the local terminal IP address 5 and the opposite terminal IP address 5'.
Step 322: the base station A directly takes the OM link 1 as a main link to carry service data information.
Step 323: when the base station A detects that a main link (namely OM link 1) corresponding to the remote maintenance service fails, after determining that the home terminal IP address corresponding to the OM link 1 is the home terminal IP address 5, starting the home terminal IP address 6, and establishing an OM link 2 for the remote maintenance service based on the home terminal IP address 6 and the opposite terminal IP address 5' (or other opposite terminal IP addresses).
Step 324: the base station A judges whether the OM link 2 is established successfully, if so, the step 325 is executed; otherwise, step 326 is performed.
Step 325: the base station a directly uses the OM link 2 as a standby link to carry the service data information of the remote maintenance service.
Step 326: the base station a tries to switch the service data information of the remote maintenance service to the OM link 1, if the switching fails, that is, if the OM link 1 is still in an abnormal state at this time, the base station a may restart the home terminal IP address 6, try to establish the OM link 2 for the remote maintenance service, and so forth and back again until the OM link 1 is recovered to be normal, or the OM link 2 is successfully established, and bear the service data information of the remote maintenance service by recovering the normal OM link 1 or establishing the successful OM link 2.
Based on the foregoing embodiments, referring to fig. 4, in an embodiment of the present invention, a service bearer at least includes:
a link establishing unit 400, configured to establish a link for a target service according to a link establishing manner corresponding to the target service based on at least two home terminal internet protocol IP addresses corresponding to the target service, where the at least two home terminal IP addresses corresponding to the target service are preconfigured by the bearer;
a data carrying unit 410, configured to select links of a corresponding number from all links corresponding to the target service as primary links to carry service data information according to the number of preset primary links corresponding to the target service;
a link switching unit 420, configured to switch, when it is determined that a failed link occurs in the active link corresponding to the target service, the service data information of the target service to a standby link corresponding to the target service according to a link switching manner corresponding to the target service, where the standby link corresponding to the target service is a link other than the failed link in all links corresponding to the target service.
Preferably, when a link is established for the target service according to a link establishment method corresponding to the target service based on at least two home terminal IP addresses corresponding to the target service, the link establishment unit 400 is configured to:
if the target service is a signaling service, establishing at least two S1-MME signaling links for the signaling service based on at least two home terminal IP addresses corresponding to the signaling service by adopting a link establishment mode that one home terminal IP address corresponds to one opposite terminal IP address;
if the target service is a user service, establishing at least two S1-U service links for the user service based on at least two home terminal IP addresses corresponding to the user service by adopting a link establishing mode that one home terminal IP address corresponds to at least one opposite terminal IP address;
if the target service is a remote maintenance service, selecting a home terminal IP address from at least two home terminal IP addresses corresponding to the remote maintenance service, and establishing an operation and maintenance OM link for the remote maintenance service based on the selected home terminal IP address and an opposite terminal IP address.
Preferably, when selecting a corresponding number of links from all links corresponding to the target service as the primary links to carry out service data information loading according to the preset number of primary links corresponding to the target service, the data loading unit 410 is configured to:
if the target service is a signaling service, selecting one S1-MME signaling link from all S1-MME signaling links corresponding to the signaling service as a main link to carry out service data information bearing;
if the target service is a user service, all S1-U service links corresponding to the user service are used as main links to carry out service data information bearing;
and if the target service is a remote maintenance service, directly taking an OM link corresponding to the remote maintenance service as a main link to carry out service data information bearing.
Preferably, when determining that a failed link occurs in the active link corresponding to the target service, and switching the service data information of the target service to the standby link corresponding to the target service according to the link switching manner corresponding to the target service, the link switching unit 420 is configured to:
if the target service is a signaling service, when detecting that a main link corresponding to the signaling service is a failed link, after determining a home terminal IP address corresponding to the failed link, screening all S1-MME signaling links established based on the home terminal IP address corresponding to the failed link from all S1-MME signaling links corresponding to the signaling service, and selecting one S1-MME signaling link from all the remaining S1-MME signaling links as a standby link to carry service data information of the signaling service;
if the target service is a user service, when detecting that a fault link exists in a main link corresponding to the user service, releasing service data information carried by the fault link, and using all main links except the fault link as standby links to carry the service data information of the user service;
if the target service is a remote maintenance service, when detecting that a main link corresponding to the remote maintenance service is a fault link, after determining a home terminal IP address corresponding to the fault link, selecting a home terminal IP address again from all other home terminal IP addresses corresponding to the remote maintenance service except the home terminal IP address corresponding to the fault link, establishing an OM link for the remote maintenance service again based on the home terminal IP address and an opposite terminal IP address selected again, and when determining that the establishment is successful, taking the OM link established again as a standby link to bear service data information of the remote maintenance service.
Preferably, when an OM link is established for the remote maintenance service again based on the selected home IP address and the selected peer IP address, the link switching unit 420 is further configured to:
after the establishment is determined to fail, reselecting a home terminal IP address from all other home terminal IP addresses corresponding to the remote maintenance service except the home terminal IP address corresponding to the fault link and the reselected home terminal IP address, and reestablishing an OM link for the remote maintenance service based on the reselected home terminal IP address and an opposite terminal IP address; or,
after the establishment is determined to be failed, judging whether the fault link is recovered to be normal or not, if so, restarting a recovered normal main link to bear the service data information of the remote maintenance service; otherwise, the re-selected home terminal IP address and the re-selected opposite terminal IP address are re-started, and an OM link is established for the remote maintenance service.
In summary, in the embodiment of the present invention, a base station configures at least two home terminal IP addresses for a target service, establishes links for the target service based on the at least two home terminal IP addresses corresponding to the target service, selects a corresponding number of links from all links corresponding to the target service as primary links to carry service data information according to a preset number of primary links corresponding to the target service, and switches the service data information of the target service to a standby link except for a failed link when determining that the failed link occurs in the primary link of the target service. Therefore, after the base station establishes links for the target service based on at least two home terminal IP addresses corresponding to the target service, a specified number of links can be selected from all links corresponding to the target service as the primary link to carry the service data information of the target service, and even if the base station detects that a fault link exists in the primary link, the base station can switch the service data information of the target service to the standby links except the fault link, so that the influence of the link fault on the target service is reduced, and the normal operation of the target service is ensured. That is to say, by pre-configuring at least two home terminal IP addresses for the target service, even if the base station detects that a failed home terminal IP address or an abnormally configured home terminal IP address exists in the at least two home terminal IP addresses corresponding to the target service, the base station can start other home terminal IP addresses corresponding to the target service, and the link established based on the other home terminal IP addresses bears service data information of the target service, thereby avoiding the problems of base station offline, user service release, base station remote operation and maintenance failure and the like caused by the link failure between the base station and each opposite terminal due to the abnormal configuration or other failures of the home terminal network layer of the base station, and maximally ensuring the service experience of the user.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (10)
1. A method for carrying a service is characterized by comprising the following steps:
a base station establishes a link for a target service according to a link establishment mode corresponding to the target service based on at least two home terminal Internet Protocol (IP) addresses corresponding to the target service, wherein the target service comprises at least one of a signaling service, a user service and a remote maintenance service, and the at least two home terminal IP addresses corresponding to the target service are pre-configured by the base station;
the base station selects links with corresponding number as main links to carry service data information from all links corresponding to the target service according to the preset number of the main links corresponding to the target service;
and when the base station determines that a fault link occurs in the main link corresponding to the target service, switching the service data information of the target service to a standby link corresponding to the target service according to a link switching mode corresponding to the target service, wherein the standby link corresponding to the target service is other links except the fault link in all links corresponding to the target service.
2. The bearer method according to claim 1, wherein the base station establishes a link for the target service according to a link establishment method corresponding to the target service based on at least two home terminal IP addresses corresponding to the target service, including:
if the target service is a signaling service, the base station adopts a link establishment mode that one home terminal IP address corresponds to one opposite terminal IP address, and establishes at least two S1-MME signaling links for the signaling service based on at least two home terminal IP addresses corresponding to the signaling service;
if the target service is a user service, the base station adopts a link establishment mode that one home terminal IP address corresponds to at least one opposite terminal IP address, and establishes at least two S1-U service links for the user service based on at least two home terminal IP addresses corresponding to the user service;
if the target service is a remote maintenance service, the base station selects a home terminal IP address from at least two home terminal IP addresses corresponding to the remote maintenance service, and establishes an operation and maintenance OM link for the remote maintenance service based on the selected home terminal IP address and an opposite terminal IP address.
3. The carrying method of claim 2, wherein the base station selects a corresponding number of links as the active links to carry the service data information from all links corresponding to the target service according to the preset number of active links corresponding to the target service, including:
if the target service is a signaling service, the base station selects one S1-MME signaling link from all S1-MME signaling links corresponding to the signaling service as a main link to carry out service data information bearing;
if the target service is a user service, the base station takes all S1-U service links corresponding to the user service as main links to carry out service data information bearing;
and if the target service is the remote maintenance service, the base station directly uses an OM link corresponding to the remote maintenance service as a main link to carry out service data information bearing.
4. The bearer method according to claim 2 or 3, wherein when the base station determines that the failed link occurs in the active link corresponding to the target service, the step of switching the service data information of the target service to the standby link corresponding to the target service according to the link switching manner corresponding to the target service includes:
if the target service is a signaling service, when a base station detects that a main link corresponding to the signaling service is a faulty link, after determining a home terminal IP address corresponding to the faulty link, screening all S1-MME signaling links established based on the home terminal IP address corresponding to the faulty link from all S1-MME signaling links corresponding to the signaling service, and selecting one S1-MME signaling link from all the remaining S1-MME signaling links as a standby link to carry service data information of the signaling service;
if the target service is a user service, when a base station detects that a fault link exists in a main link corresponding to the user service, releasing service data information carried by the fault link, and using all main links except the fault link as standby links to carry the service data information of the user service;
if the target service is a remote maintenance service, when a base station detects that a main link corresponding to the remote maintenance service is a fault link, after determining a home terminal IP address corresponding to the fault link, selecting a home terminal IP address again from all home terminal IP addresses corresponding to the remote maintenance service except the home terminal IP address corresponding to the fault link, establishing an OM link for the remote maintenance service again based on the home terminal IP address and an opposite terminal IP address which are selected again, and when determining that the establishment is successful, taking the OM link established again as a standby link to bear service data information of the remote maintenance service.
5. The bearer method according to claim 4, wherein when the base station establishes an OM link for the remote maintenance service again based on the selected one home IP address and one peer IP address, further comprising:
after determining that the establishment is failed, the base station reselects a home terminal IP address from all other home terminal IP addresses corresponding to the remote maintenance service except the home terminal IP address corresponding to the fault link and the reselected home terminal IP address, and reestablishes an OM link for the remote maintenance service based on the reselected home terminal IP address and an opposite terminal IP address; or,
after the base station determines that the establishment is failed, whether the fault link is recovered to be normal is judged, if so, the recovered normal main link is restarted to bear the service data information of the remote maintenance service; otherwise, the re-selected home terminal IP address and the re-selected opposite terminal IP address are re-started, and an OM link is established for the remote maintenance service.
6. A service bearer, comprising:
a link establishing unit, configured to establish a link for a target service according to a link establishing manner corresponding to the target service based on at least two home terminal internet protocol IP addresses corresponding to the target service, where the target service includes at least one of a signaling service, a user service, and a remote maintenance service, and the at least two home terminal IP addresses corresponding to the target service are preconfigured by the bearer;
the data bearing unit is used for selecting links with corresponding numbers from all links corresponding to the target service as the main links to carry out service data information bearing according to the number of preset main links corresponding to the target service;
and a link switching unit, configured to switch, when it is determined that a failed link occurs in the active link corresponding to the target service, service data information of the target service to a standby link corresponding to the target service according to a link switching manner corresponding to the target service, where the standby link corresponding to the target service is a link other than the failed link in all links corresponding to the target service.
7. The bearer apparatus according to claim 6, wherein based on at least two home IP addresses corresponding to a target service, when establishing a link for the target service according to a link establishment manner corresponding to the target service, the link establishment unit is configured to:
if the target service is a signaling service, establishing at least two S1-MME signaling links for the signaling service based on at least two home terminal IP addresses corresponding to the signaling service by adopting a link establishment mode that one home terminal IP address corresponds to one opposite terminal IP address;
if the target service is a user service, establishing at least two S1-U service links for the user service based on at least two home terminal IP addresses corresponding to the user service by adopting a link establishing mode that one home terminal IP address corresponds to at least one opposite terminal IP address;
if the target service is a remote maintenance service, selecting a home terminal IP address from at least two home terminal IP addresses corresponding to the remote maintenance service, and establishing an operation and maintenance OM link for the remote maintenance service based on the selected home terminal IP address and an opposite terminal IP address.
8. The bearer apparatus according to claim 7, wherein when selecting a corresponding number of links from all links corresponding to the target service as the active links to perform service data information bearer according to a preset number of active links corresponding to the target service, the data bearer unit is configured to:
if the target service is a signaling service, selecting one S1-MME signaling link from all S1-MME signaling links corresponding to the signaling service as a main link to carry out service data information bearing;
if the target service is a user service, all S1-U service links corresponding to the user service are used as main links to carry out service data information bearing;
and if the target service is a remote maintenance service, directly taking an OM link corresponding to the remote maintenance service as a main link to carry out service data information bearing.
9. The bearer apparatus according to claim 7 or 8, wherein when determining that the failed link occurs in the active link corresponding to the target service, and when switching the service data information of the target service to the standby link corresponding to the target service according to the link switching manner corresponding to the target service, the link switching unit is configured to:
if the target service is a signaling service, when detecting that a main link corresponding to the signaling service is a faulty link, after determining a home terminal IP address corresponding to the faulty link, screening all S1-MME signaling links established based on the home terminal IP address corresponding to the faulty link from all S1-MME signaling links corresponding to the signaling service, and selecting one S1-MME signaling link from all the remaining S1-MME signaling links as a standby link to carry service data information of the signaling service;
if the target service is a user service, when detecting that a fault link exists in a main link corresponding to the user service, releasing service data information carried by the fault link, and using all main links except the fault link as standby links to carry the service data information of the user service;
if the target service is a remote maintenance service, when detecting that a main link corresponding to the remote maintenance service is a fault link, after determining a home terminal IP address corresponding to the fault link, selecting a home terminal IP address again from all other home terminal IP addresses corresponding to the remote maintenance service except the home terminal IP address corresponding to the fault link, establishing an OM link for the remote maintenance service again based on the home terminal IP address and an opposite terminal IP address selected again, and when determining that the establishment is successful, using the OM link established again as a standby link to bear service data information of the remote maintenance service.
10. The bearer apparatus according to claim 9, wherein when an OM link is established again for the remote maintenance service based on the selected one home IP address and one peer IP address, the link switching unit is further configured to:
after the establishment is determined to fail, reselecting a home terminal IP address from all other home terminal IP addresses corresponding to the remote maintenance service except the home terminal IP address corresponding to the fault link and the reselected home terminal IP address, and reestablishing an OM link for the remote maintenance service based on the reselected home terminal IP address and an opposite terminal IP address; or,
after the establishment is determined to be failed, judging whether the fault link is recovered to be normal or not, if so, restarting a main link which is recovered to be normal to bear the service data information of the remote maintenance service; otherwise, the re-selected home terminal IP address and the re-selected opposite terminal IP address are re-started, and an OM link is established for the remote maintenance service.
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| CN108616908B (en) * | 2016-12-29 | 2021-11-02 | 中国移动通信集团浙江有限公司 | Network system and data transmission method based on network system |
| CN109462865B (en) * | 2018-12-14 | 2021-11-16 | 中南设计集团（武汉）工程技术研究院有限公司 | Rapid scheduling method based on intelligent operation and maintenance |
| CN114079630B (en) * | 2020-08-10 | 2023-10-27 | 中国移动通信集团浙江有限公司 | Service protection method, device, equipment and storage medium based on SPN (service provider network) |
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