CN102308523B - Data communication network configuration method, gateway network element and data communication system - Google Patents
Data communication network configuration method, gateway network element and data communication system Download PDFInfo
- Publication number
- CN102308523B CN102308523B CN201180001453.0A CN201180001453A CN102308523B CN 102308523 B CN102308523 B CN 102308523B CN 201180001453 A CN201180001453 A CN 201180001453A CN 102308523 B CN102308523 B CN 102308523B
- Authority
- CN
- China
- Prior art keywords
- network element
- gateway
- gateway network
- address
- message
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004891 communication Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000013507 mapping Methods 0.000 claims abstract description 55
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000007430 reference method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/2514—Translation of Internet protocol [IP] addresses between local and global IP addresses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a DCN configuration method, a gateway network element and a data communication system. The gateway network element transmits a broadcast message having the IP address of a network management server to a non-gateway network element in a management area. The network element mark registration information transmitted by the non-gateway network element after the broadcast message is sent is acquired. A public network IP address and a private network IP address for device management are distributed by the non-gateway network element, and a NAT mapping table is formed and stored. The NAT mapping table is registered in the network management server. The message exchange between the non-gateway network element and the network management server can be achieved based on the NAT mapping table. When the message exchange is conducted between the network management server and the non-gateway network element, the gateway network element only needs to conduct a NAT conversion on the message. Accordingly, the CPU load of the gateway network element is reduced, the network element number in the management area is effectively increased and the forwarding efficiency of the message in the management area is improved.
Description
Technical field
The present invention relates to communication technique field, more particularly, relate to data communication network collocation method, Gateway Network Element and data communication system.
Background technology
Backhaul carrying between mobile base station and wireless core equipment is carried by fixed communication device.In order to realize the remote deployment of wireless backhaul, prior art adopts data communication network (Data Communication Network, DCN) for the network equipment provides, management accesses system, the communication function of managing control information, thereby can just complete at network management server center remote deployment and the management to each equipment.
DCN grid is made up of network management server, Gateway Network Element and non-gateway network element and the connection line between them or network; Wherein, network management server and Gateway Network Element realize is connected and mutual between can directly access; Gateway Network Element forms a management domain with multiple non-gateway network element that directly or are indirectly connected with it, between the Gateway Network Element during management domain is interior and multiple non-gateway network element are mutual, can directly access.
On the physical link of the interior each equipment room direct interconnection of DCN management domain, adopt ppp protocol, set up point-to-point logical links passage, and on direct-connected port, distribute the private network IP address of the same network segment, then get the routing iinformation of management plane by Routing Protocol at these point-to-point link passages, this routing iinformation is the main frame route being made up of the private net address distributing in ppp link and PPP process.Between Gateway Network Element in DCN management domain and non-gateway network element, realize the transmission of DCN message by described routing iinformation.
In the prior art, the specific works flow process of DCN system comprises:
At down direction, in the time that network management server sends IP message to the network element in management domain, IP message includes object IP address, because the Gateway Network Element of network management server only and in management domain contacted directly, so these objects IP address is the IP address of Gateway Network Element.Gateway Network Element is being received after IP message, need to judge the NE ID in IP message, if the NE ID in IP message is the NE ID of this Gateway Network Element, IP message being given to more upper-layer protocol/application continues to process, if the NE ID in IP message is not the NE ID of this Gateway Network Element, convert the IP address of object network element to according to this NE ID, then go out by management plane routing forwarding, here, object network element is non-gateway network element; Non-gateway network element receives after IP message judge whether object network element IP address is the IP address of this network element, and if so, this non-gateway network element is given more upper strata by IP message and continued to process, and if not, according to the routing iinformation of management plane, IP message repeating is gone out.
At up direction, in the time that the non-gateway network element in management domain sends IP message to network management server, first according to the routing iinformation of management plane, IP message is sent to Gateway Network Element, Gateway Network Element obtains the NE ID of this non-gateway network element according to the IP address information of this non-gateway network element, after during Gateway Network Element joins message this NE ID, again the IP address information of this non-gateway network element is changed to the IP address information of Gateway Network Element, finally, the IP message that includes the NE ID of non-gateway network element and the IP address information of Gateway Network Element is sent to network management server by Gateway Network Element.
Inventor finds after deliberation, at least there is in the prior art following defect: because all administrative messages all must carry out application layer parsing via Gateway Network Element, cause the cpu load of Gateway Network Element excessive, therefore the limited amount of network element in management domain, in management domain, the forward efficiency of IP message is not high.
Summary of the invention
In view of this, the embodiment of the present invention provides DCN collocation method, Gateway Network Element and data communication network DCN, to alleviate the cpu load of Gateway Network Element.
The embodiment of the present invention provides a kind of data communication network DCN collocation method on the one hand, comprising:
Send the broadcasting packet of the IP address of carrying network management server to the non-gateway network element in self place management domain;
Obtain described non-gateway network element and receive the network element ID log-on message sending after described broadcasting packet, described network element ID log-on message comprises the network element ID of described non-gateway network element;
Comprise public network IP address and the private network IP address for equipment control for described non-gateway network element distributes, generate and store the network identity that comprises described non-gateway network element, public network IP address, and for the NAT mapping table of the private network IP address of equipment control;
Register described NAT mapping table to described network management server.
The present embodiment provides a kind of Gateway Network Element on the other hand, comprising:
Transmitter, carries the broadcasting packet of the IP address of network management server for the non-gateway network element transmission of the management domain under described Gateway Network Element;
Acquiring unit, receives for obtaining non-gateway network element the network element ID log-on message sending after broadcasting packet, and network element ID log-on message comprises the network element ID of described non-gateway network element;
Generation unit, is used to non-gateway network element to distribute public network IP address and for the private network IP address of equipment control, and generates the network element ID that comprises described non-gateway network element, public network IP address, and for the NAT mapping table of the private network IP address of equipment control;
Memory, the NAT mapping table generating for storing described generation unit; And
Registering unit, the NAT mapping table generating for register described generation unit to network management server.
The embodiment of the present invention on the one hand provides a kind of data communication system again, comprises network management server, above-mentioned Gateway Network Element and at least one non-gateway network element; Described Gateway Network Element and described at least one non-gateway network element belong to same management domain, and described at least one non-gateway network element communicates by described Gateway Network Element and described network management server.
Can draw by technique scheme, in the present embodiment, in the time receiving the network element ID log-on message that non-gateway network element sends, for this non-gateway network element distribution public network IP address with for carrying out the private network IP address of equipment control, generate and store NAT mapping table, then Gateway Network Element is registered this NAT mapping table in network management server, thereby carry out message interaction between network management server and non-gateway network element time, Gateway Network Element only need to carry out NAT conversion to message, so alleviated the load of Gateway Network Element CPU, making thus Gateway Network Element is no longer the performance bottleneck of whole DCN, effectively increase the NE quantity in management domain, and, improve the forward efficiency of message in management domain.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the step schematic diagram of DCN collocation method in the embodiment of the present invention;
Fig. 2 is the formation schematic diagram of NAT mapping table in the embodiment of the present invention;
Fig. 3 is the structural representation of data communication system in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Inventor finds through research, in prior art, why the cpu load of Gateway Network Element is excessive, be because, Gateway Network Element need to be served as the application level gateway functionality of management maintenance message, , Gateway Network Element is received after management maintenance message, must resolve the payload segment of this message, identify network element ID, and then encapsulated message, this mode can cause all management maintenance messages must on deliver to Gateway Network Element CPU process, because the CPU of Gateway Network Element need to process the management maintenance message that each non-gateway network element in management domain sends, therefore the CPU of Gateway Network Element can increase load, thereby make Gateway Network Element become the performance bottleneck of whole DCN, cause the NE quantity in management domain limited, in management domain, the forward efficiency of message is not high.
Based on above research, for solve prior art exist management domain in NE quantity limited, and, the not high problem of the forward efficiency of message in management domain, the present embodiment provides a kind of DCN collocation method, as shown in Figure 1, comprises step:
S11, Gateway Network Element send the broadcasting packet of the IP address of carrying network management server to the non-gateway network element in self place management domain.This broadcasting packet is for making the non-gateway network element in this management domain carry out network element ID registration to described Gateway Network Element.
In the present embodiment, in same management domain, the first public network IP address of h.323-configured gateway network element, the address that obtains network management server, and Gateway Network Element is to the routed path of network management server.
Then, set up PPP and connect in management domain between any two direct connected network elements, then each network element starts IGP Routing Protocol.
Then, Gateway Network Element sends broadcasting packets, the IP address information of broadcasting packet packet network management server to all non-gateway network element in management domain.If while thering is no the IP address information of h.323-configured gateway network element in non-gateway network element, in this broadcasting packet, also should comprise the IP address information of Gateway Network Element.
Specifically, Gateway Network Element sends broadcasting packet by ppp link to direct-connected with it all non-gateway network element; The direct-connected non-gateway network element of these and Gateway Network Element is received after broadcasting packet, forwards this broadcasting packet to other and own direct-connected non-gateway network element.By that analogy, until this broadcasting packet arrives all non-gateway network element in whole management domain.
Gateway Network Element is by sending broadcasting packet, make the non-gateway network element in management domain can obtain the IP address information of Gateway Network Element and the IP address information of network management server, so each non-gateway network element can realization and Gateway Network Element or network management server between transfer of data.
Concrete, in the present embodiment, can send described broadcasting packet by the agreement of new definition.Also can send described broadcasting packet by extension standards agreement, such as, can send described broadcasting packet by expansion Routing Protocol.
The information that described broadcasting packet carries comprises the IP address of described network management server, can also comprise the IP address of described Gateway Network Element, and the mark of administrative vlan (Virtual Local Area Network, VLAN) under described Gateway Network Element.
S12, the non-gateway network element obtaining in described management domain are received the network element ID log-on message sending after this broadcasting packet, and network element ID log-on message comprises the network element ID of non-gateway network element.Alternatively, this network element ID log-on message can also comprise that management agreement (hereinafter referred to as communication protocol) that this non-gateway network element is supported and this non-gateway network element send the port (hereinafter referred to as the first port) of this network element ID log-on message.
This communication protocol can be IP-based management agreement, as SNMP, NETCONF or HTTP.Non-gateway network element in same management domain uses identical communication protocol.
For make Gateway Network Element can Forwarding plane directly forward non-gateway network element and and network management server between mutual management maintenance message, need non-gateway network element that the network element ID information of oneself is sent to Gateway Network Element.
In actual applications, network element ID can be that this non-gateway network element equipment is stored in character, character string, numeral, numeric string or the digit strings in device memory while dispatching from the factory; Preferably, when network element ID is digit strings, concrete can be the MAC Address of this non-gateway network element equipment.
S13, distribute public network IP address and the private network IP address for equipment control for sending the non-gateway network element of network element ID log-on message, generate and store the network element ID that comprises described non-gateway network element, public network IP address, and for the NAT mapping table of the private network IP address of equipment control.In the time that described network element ID log-on message comprises communication protocol and/or the first port, this NAT mapping table can also comprise this communication protocol and/or the first port.
Gateway Network Element is being received after this network element ID log-on message that non-gateway network element sends, for make non-gateway network element can and management domain outside network management server between communication, first to distribute public network IP address and the private network IP address for equipment control for non-gateway network element, then, generation comprises the public network address of non-gateway network element, private network IP address, and the NAT mapping table of network element ID.
In actual applications, NAT mapping table can also comprise that Gateway Network Element receives the port numbers (hereinafter referred to as the second port numbers) of the port of the network element ID log-on message of non-gateway network element transmission.
Concrete, the formation of NAT mapping table can be with reference to figure 2, the NAT mapping table being formed by the relevant information of 4 non-gateway network element shown in Fig. 2, and the network element ID of 4 non-gateway network element is respectively NE10, NE11, NE20, NE21; The network element ID of each non-gateway network element is also to having private network IP address/the first port of this non-gateway network element, IP address/the second port and the communication protocol of public network.
S14, Gateway Network Element are to network management server registration NAT mapping table.
Gateway Network Element, setting up after the NAT mapping table of the network element ID of non-gateway network element, public network IP address and private network IP address, is registered this NAT mapping table to network management server.
After above-mentioned layoutprocedure completes, network management server can send according to this NAT mapping table the management maintenance message of non-gateway network element to Gateway Network Element, and Gateway Network Element sends to non-gateway network element according to this NAT mapping table by management maintenance message.
Specifically, obtaining after NAT mapping table, network management server can obtain public network IP address or IP address and first port of non-gateway network element, like this, between non-gateway network element and network management server by the communications protocol of IP-based management agreement, while carrying out message switching as SNMP or http protocol, if Gateway Network Element is received the message of the public network IP address that the destination address of network management server transmission is non-gateway network element, according to the NAT mapping table of storing in memory, the object IP address amendment of this message is become to the private network IP address for equipment control that this non-gateway network element distributes, amended message is sent to this non-gateway network element, or, when Gateway Network Element is received the message of source address that non-gateway network element the sends private network IP address for equipment control that is described non-gateway network element, IP address that destination address is network management server, according to the NAT mapping table of storing in memory, the source IP address amendment of this message is become to the public network IP address that this non-gateway network element distributes, amended message is sent to network management server.
In the time that network element ID log-on message has comprised communication protocol, network management server encapsulates the message that sends to this non-gateway network element according to the agreement of non-gateway network element support.
When network element ID log-on message has comprised the first port, network management server sends to the public network IP address that the destination address in the message of non-gateway network element is this non-gateway network element, destination interface is this first port, Gateway Network Element is revised as the destination address of this message after the private network IP address for equipment control of this non-gateway network element, and amended message is sent to this first port.
In the present embodiment, first Gateway Network Element is that non-gateway network element distributes public network address and the private network IP address for managing, and according to the network element ID information of non-gateway network element, set up NAT mapping table for private network IP address information and the public network address information of managing, then Gateway Network Element by registering NAT mapping table in network management server, thereby carry out message switching between network management server and non-gateway network element time, Gateway Network Element only need to carry out NAT conversion to message, so alleviated the load of Gateway Network Element CPU, making thus Gateway Network Element is no longer the performance bottleneck of whole DCN, can increase the NE quantity in management domain, and, improve the forward efficiency of message in management domain.
Due to the needs of network management strategy, possible management plane need to be limited on certain VLAN, so, in the present embodiment, in broadcasting packet, can also comprise Management VLAN mark, concrete, if carried the mark of a Management VLAN in broadcasting packet, the non-gateway network element of receiving this broadcasting packet re-establishes PPP connection according to this Management VLAN, and connects and carry out route refresh according to newly-established PPP.Due in the present embodiment, replace default vlan by the mode of active broadcast control VLAN, so, for the scene that message need to be carried out to secondary isolation, the flexibility that can improve system.
In addition, the present embodiment also provides a kind of data communication network, and for realizing said method of the present invention, therefore, the present embodiment is described not exhaustive place, description that can reference method embodiment part.As shown in Figure 3, this data communication network comprises Gateway Network Element, at least one non-gateway network element (there is shown three) and network management server, described Gateway Network Element and described at least one non-gateway network element belong to same management domain, and described at least one non-gateway network element communicates by described Gateway Network Element and described network management server.Wherein, this Gateway Network Element comprises: transmitter 1, acquiring unit 2, generation unit 3, memory 4 and registering unit 5.
In the present embodiment, in management domain under this Gateway Network Element, on all direct connected physical links, setting up PPP connects, and each network element starts after IGP Routing Protocol, transmitter 1 sends the broadcasting packet of the IP address of carrying network management server to the non-gateway network element in the management domain under this Gateway Network Element.
Specifically, transmitter 1 sends this broadcasting packet to all non-gateway network element that are directly connected with this Gateway Network Element in the management domain under this Gateway Network Element.
This broadcasting packet comprises the IP address of network management server.Alternatively, this broadcasting packet can also comprise the IP address of Gateway Network Element.Like this, send broadcasting packet by Gateway Network Element, make the non-gateway network element in management domain can obtain the IP address of Gateway Network Element and the IP address of network management server, and then can realization and the communicating by letter of Gateway Network Element or network management server.
Concrete, in the present embodiment, can send described broadcasting packet by the agreement of new definition.Also can send described broadcasting packet by extension standards agreement, such as, can send described broadcasting packet by expansion Routing Protocol.
In order to make the message interaction between non-gateway network element and network management server realize directly and forwarding at Forwarding plane by Gateway Network Element, need non-gateway network element that the network element ID information of oneself is sent to Gateway Network Element.
Acquiring unit 2 obtains non-gateway network element and receives the network element ID log-on message sending after broadcasting packet, network element ID log-on message comprises the network element ID of described non-gateway network element, in addition, this network element ID log-on message can further include communications protocol and first port of described non-gateway network element and described network management server communication.
Generation unit 3, distribute public network IP address and the private network IP address for equipment control for sending the non-gateway network element of network element ID log-on message, and generate and comprise the network element ID of described non-gateway network element, public network IP address, and for the NAT mapping table of the private network IP address of equipment control.Alternatively, this NAT mapping table can also comprise communication protocol and/or the first port.
Gateway Network Element is receiving that non-gateway network element sends after this network element ID log-on message, for make non-gateway network element can and management domain outside network management server between can communication, first to distribute public network IP address and the private network IP address for equipment control for non-gateway network element, then, set up comprise the public network IP address of non-gateway network element, for the private network IP address of equipment control and the NAT mapping table of network element ID.
In actual applications, NAT mapping table can also comprise that Gateway Network Element receives the port numbers (i.e. the second port numbers) of the port of the network element ID log-on message of non-gateway network element transmission.
Network element ID log-on message can be that this non-gateway network element equipment is stored in character, character string, numeral, numeric string or the digit strings in device memory while dispatching from the factory; Preferably, when network element ID log-on message is digit strings, concrete can be the MAC Address of this non-gateway network element equipment.Network element ID log-on message can be also the IP address of this non-gateway network element, or IP address adds the port numbers of communications protocol; Wherein the IP address of non-gateway network element can be the private network IP address of this non-gateway network element in management domain, concrete, and this private network IP address can generate in the time setting up PPP connection.
Memory 4, the NAT mapping table generating for storing described generation unit.
Registering unit 5, for the NAT mapping table generating to network management server registration generation unit.
Gateway Network Element foundation comprise the network element ID, public network IP address of non-gateway network element and the NAT mapping table of the private network IP address for equipment control that distributes for this non-gateway network element after, register this NAT mapping table to network management server; Like this, obtain after this NAT mapping table at network management server, this network management server is issued in the IP heading of management maintenance message of non-gateway network element, and destination address is exactly the public network IP address of non-gateway network element.Gateway Network Element carries out NAT conversion after receiving this message, and the public network IP address of the non-gateway network element in IP head is replaced with to the private network IP address for non-gateway network element management, then in management domain, carries out normal IP routing forwarding flow process.
In addition, this Gateway Network Element can also comprise NAT converting unit 6, for in the time receiving the message that network management server sends to non-gateway network element, according to the NAT mapping table of storing in memory, the object IP address amendment of this message is become to the private network IP address for equipment control that this non-gateway network element distributes, amended message is sent to this non-gateway network element; And/or, for in the time receiving the message that non-gateway network element sends to network management server, according to the NAT mapping table of storing in memory, the source IP address amendment of this message is become to the public network IP address that this non-gateway network element distributes, amended message is sent to network management server; And/or, in the time that the network element ID log-on message of non-gateway network element transmission comprises the first port, public network IP address, destination slogan that the destination address that receiving network managing server sends is non-gateway network element are the message of this first port, the destination address of described message is revised as to the private network IP address for equipment control of described non-gateway network element, described amended message is sent to described the first port.
Network management server in this data communication system, receives the NAT mapping table that also storage gateway network element sends, and according to this NAT mapping table encapsulated message, the message after encapsulation is sent to Gateway Network Element.By Gateway Network Element, message is carried out sending to corresponding non-gateway network element after NAT conversion.
Non-gateway network element in this data communication system, receive the broadcasting packet that Gateway Network Element sends, send the network element ID log-on message of self to Gateway Network Element, make this Gateway Network Element generate NAT mapping table according to this network element ID log-on message, receive this Gateway Network Element and carry out the message after NAT conversion.
In the present embodiment, first Gateway Network Element is that non-gateway network element distributes public network address information and the private network IP address for equipment control, NAT mapping table, and then Gateway Network Element is registered NAT mapping table in network management server.Owing to obtaining after NAT mapping table, network management server can obtain the public network IP address of non-gateway network element, like this, between non-gateway network element and network management server, pass through the communications protocol such as IP-based management agreement, while carrying out message switching as SNMP or http protocol, Gateway Network Element only need to carry out NAT conversion to message, thereby avoid needing Gateway Network Element to carry out application layer parsing in prior art, as, need the payload segment of analytic message, identify network element ID, and then these work that expend Gateway Network Element CPU such as encapsulated message, so alleviated the load of Gateway Network Element CPU, making thus Gateway Network Element is no longer the performance bottleneck of whole DCN, effectively increase the NE quantity in management domain, and, improve the forward efficiency of message in management domain.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (11)
1. a data communication network DCN collocation method, is characterized in that, comprising:
Gateway Network Element sends the broadcasting packet of the IP address of carrying network management server to the non-gateway network element in self place management domain;
Described Gateway Network Element obtains described non-gateway network element and receives the network element ID log-on message sending after described broadcasting packet, and described network element ID log-on message comprises the network element ID of described non-gateway network element;
Described Gateway Network Element is that described non-gateway network element distribution comprises public network IP address and the private network IP address for equipment control, generate and store the network element ID that comprises described non-gateway network element, distribute to the public network IP address of described non-gateway network element and the NAT mapping table for the private network IP address of equipment control;
Described Gateway Network Element is registered described NAT mapping table to described network management server.
2. collocation method according to claim 1, is characterized in that, described method also comprises:
The message that receiving network managing server sends, the public network IP address that the destination address of described message is non-gateway network element;
According to stored NAT mapping table, the destination address of described message is revised as to the private network IP address for equipment control of described non-gateway network element, the described message of having revised destination address is sent to described non-gateway network element.
3. method according to claim 2, is characterized in that, described method also comprises:
Receive the message that non-gateway network element sends, the private network IP address for equipment control that the source address of described message is described non-gateway network element;
According to stored NAT mapping table, the public network IP address that is described non-gateway network element by the source address modification of described message, sends to described network management server by the described message of having revised source address.
4. according to the method described in any one in claim 1-3, it is characterized in that, described broadcasting packet also comprises the IP address of described Gateway Network Element and/or the administrative vlan of described Gateway Network Element mark.
5. according to the method described in any one in claim 1-3, it is characterized in that, in described network element ID log-on message, also comprise communication protocol and/or the first port that described non-gateway network element is supported; Described the first port is described non-gateway network element sends port from described network element ID log-on message to described Gateway Network Element;
Described NAT mapping table also comprises described communication protocol and/or the first port.
6. method according to claim 5, is characterized in that,
In the time that described NAT mapping table has comprised described the first port, described method further comprises:
Receiving network managing server public network IP address, destination interface that send, that destination address is non-gateway network element are the message of described the first port;
The destination address of described message is revised as to the private network IP address for equipment control of described non-gateway network element;
Say that described amended message sends to described the first port.
7. a Gateway Network Element, is characterized in that, comprising:
Transmitter, carries the broadcasting packet of the IP address of network management server for the non-gateway network element transmission of the management domain under described Gateway Network Element;
Acquiring unit, receives for obtaining non-gateway network element the network element ID log-on message sending after broadcasting packet, and network element ID log-on message comprises the network element ID of described non-gateway network element;
Generation unit, be used to non-gateway network element to distribute public network IP address and for the private network IP address of equipment control, and generate comprise described non-gateway network element network element ID, distribute to the public network IP address of described non-gateway network element and the NAT mapping table for the private network IP address of equipment control;
Memory, the NAT mapping table generating for storing described generation unit; And
Registering unit, the NAT mapping table generating for register described generation unit to network management server.
8. Gateway Network Element according to claim 7, is characterized in that, also comprises:
NAT converting unit, for in the time receiving the message that network management server sends to non-gateway network element, according to the NAT mapping table of storing in described memory, the object IP address amendment of described message is become to the private network IP address for equipment control that described non-gateway network element distributes, described amended message is sent to described non-gateway network element.
9. Gateway Network Element according to claim 8, it is characterized in that, described NAT converting unit is also in the time receiving the message that described non-gateway network element sends to described network management server, according to the NAT mapping table of storing in described memory, the source IP address amendment of this message is become to the public network IP address that described non-gateway network element distributes, amended message is sent to described network management server.
10. Gateway Network Element according to claim 8 or claim 9, it is characterized in that, public network IP address, destination interface that the destination address that described NAT converting unit also sends for: receiving network managing server is non-gateway network element are the message of the first port, the destination address of described message is revised as to the private network IP address for equipment control of described non-gateway network element, described amended message is sent to described the first port;
Described the first port is described non-gateway network element sends port from described network element ID log-on message to described Gateway Network Element.
11. 1 kinds of data communication systems, is characterized in that, comprise network management server, Gateway Network Element and at least one non-gateway network element as described in any one in claim 7-10; Described Gateway Network Element and described at least one non-gateway network element belong to same management domain, and described at least one non-gateway network element communicates by described Gateway Network Element and described network management server.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/077665 WO2012106935A1 (en) | 2011-07-27 | 2011-07-27 | Data communication network configuration method, gateway element and data communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102308523A CN102308523A (en) | 2012-01-04 |
| CN102308523B true CN102308523B (en) | 2014-07-16 |
Family
ID=45381267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180001453.0A Expired - Fee Related CN102308523B (en) | 2011-07-27 | 2011-07-27 | Data communication network configuration method, gateway network element and data communication system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102308523B (en) |
| WO (1) | WO2012106935A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102790811B (en) * | 2012-07-25 | 2015-10-14 | 浙江宇视科技有限公司 | A kind of method and apparatus of cross-over NAT equipment in monitor network |
| CN102857382B (en) * | 2012-09-28 | 2015-02-18 | 瑞斯康达科技发展股份有限公司 | Network management equipment, access convergent equipment, access terminal equipment, and management method and system for access terminal equipment |
| CN105812166B (en) * | 2014-12-30 | 2020-06-12 | 中兴通讯股份有限公司 | Connection implementation method and system, network server, gateway network element and management method |
| CN105610619B (en) * | 2015-12-31 | 2019-04-16 | 北京格林伟迪科技股份有限公司 | A kind of network element managing method and apparatus |
| CN106936615A (en) * | 2015-12-31 | 2017-07-07 | 中兴通讯股份有限公司 | A kind of message processing method and device |
| CN105933142A (en) * | 2016-04-08 | 2016-09-07 | 邦彦技术股份有限公司 | Network element management method and device |
| CN107769939B (en) * | 2016-08-17 | 2020-03-20 | 华为技术有限公司 | Network element management method, network management, gateway network element and system in data communication network |
| CN106656721A (en) * | 2016-11-16 | 2017-05-10 | 广州视源电子科技股份有限公司 | Cross-vlan service connection method, device and system |
| CN113300876B (en) * | 2016-12-26 | 2022-09-02 | 华为技术有限公司 | DCN message processing method, network equipment and network system |
| CN109787900B (en) * | 2017-11-15 | 2022-04-19 | 阿里巴巴集团控股有限公司 | Transmission method, device, equipment and machine readable medium |
| CN111917621B (en) * | 2019-05-10 | 2021-09-07 | 烽火通信科技股份有限公司 | Communication method and system for network management server and network element of communication equipment |
| CN114024939A (en) * | 2021-11-24 | 2022-02-08 | 深圳市共进电子股份有限公司 | Network address allocation method and device and router |
| CN114301877B (en) * | 2021-12-28 | 2024-03-22 | 中国电信股份有限公司 | Method and system for automatically managing IP of DCN |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1918863A (en) * | 2004-02-17 | 2007-02-21 | 银河网路股份有限公司 | Address solving apparatus, address solving method, and communication system using the same |
| CN101083594A (en) * | 2006-05-31 | 2007-12-05 | 西门子通信技术（北京）有限公司 | Method and system for managing network appliance |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100493033C (en) * | 2005-07-05 | 2009-05-27 | 华为技术有限公司 | Method for passing through network address conversion |
| CN100521692C (en) * | 2005-09-21 | 2009-07-29 | 烽火通信科技股份有限公司 | Method for combining network based on floating interface of CORBA |
| JP2007116441A (en) * | 2005-10-20 | 2007-05-10 | Toshiba Corp | Communication system |
| CN102035661B (en) * | 2009-09-24 | 2014-04-30 | 中兴通讯股份有限公司 | Method, device and system for managing optical network unit |
-
2011
- 2011-07-27 WO PCT/CN2011/077665 patent/WO2012106935A1/en active Application Filing
- 2011-07-27 CN CN201180001453.0A patent/CN102308523B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1918863A (en) * | 2004-02-17 | 2007-02-21 | 银河网路股份有限公司 | Address solving apparatus, address solving method, and communication system using the same |
| CN101083594A (en) * | 2006-05-31 | 2007-12-05 | 西门子通信技术（北京）有限公司 | Method and system for managing network appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102308523A (en) | 2012-01-04 |
| WO2012106935A1 (en) | 2012-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102308523B (en) | Data communication network configuration method, gateway network element and data communication system | |
| CN102025591B (en) | Method and system for implementing virtual private network | |
| CN102025589B (en) | Method and system for realizing virtual private network | |
| CN101459698B (en) | Intra-domain and inter-domain network interconnecting method and system thereof | |
| CN102449964B (en) | Three-layer virtual exclusive network routing control method, apparatus and system | |
| CN102932254B (en) | Message forwarding method and device | |
| CN108574616A (en) | A kind of method, equipment and the system of processing routing | |
| CN101394333B (en) | The method E-Packeted, device and network system | |
| CN104170331A (en) | L3 gateway for VXLAN | |
| CN102594711A (en) | Message forwarding method and edge device therefor | |
| CN108200225A (en) | Dissymmetric network address encapsulates | |
| WO2020093994A1 (en) | Bearer side network system, fixed-mobile coexistence and convergence system, and deployment method therefor | |
| CN101001264B (en) | Method, device, network edge equipment and addressing server for L1VPN address distribution | |
| CN102724118A (en) | Label distribution method and device | |
| CN105490957A (en) | Load sharing method and device | |
| CN106685832A (en) | WIA-PA field network/IPv6 backhaul network combination scheduling method based on SDN | |
| CN102546362A (en) | Message processing method, message processing system and customer premises equipment | |
| CN102891903B (en) | A kind of NAT method and equipment | |
| CN101867920B (en) | Grading type wireless sensor networking method | |
| CN102055647A (en) | Three-layer virtual private network (VPN) access method and system | |
| WO2014056412A1 (en) | Message sending method, routing bridge and system | |
| CN102984070A (en) | Method for realizing data forwarding through unnumbered interface of Ethernet | |
| CN102291305B (en) | Method and device for implementing 6 to 4 relay routing, and message forwarding method | |
| CN104540180B (en) | A kind of Android multihop routing implementation method without root authority | |
| CN107769939A (en) | Network element management method, webmaster, Gateway Network Element and system in data communication network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 |