CN105812221B - The device and method of data transmission in virtual expansible Local Area Network - Google Patents
The device and method of data transmission in virtual expansible Local Area Network Download PDFInfo
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- CN105812221B CN105812221B CN201410856308.6A CN201410856308A CN105812221B CN 105812221 B CN105812221 B CN 105812221B CN 201410856308 A CN201410856308 A CN 201410856308A CN 105812221 B CN105812221 B CN 105812221B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
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Abstract
The embodiment of the invention provides the device and method that data in a kind of VXLAN are transmitted, and it is inflexible to identify necessary identical bring networking by VLAN when solving the problems, such as data forwarding between different virtual networks.The embodiment of the present invention virtually in expansible Local Area Network VXLAN data transmission device and method, according to the mark of the sub- virtual network of the second virtual network carried in the data received, search the fictitious quasi- network mapping table saved, obtain the mark of the sub- virtual network of purpose in first virtual network corresponding with the sub- virtual network of second virtual network, it may be implemented to enable the sub- virtual network of different zones that the forwarding of data is effectively performed according to the actual needs flexible configuration of networking in the sub- virtual network for belonging to a virtual network.
Description
Technical field
The present invention relates to information technology field, in particular to data in a kind of virtual expansible Local Area Network VXLAN
The device and method of transmission.
Background technique
Virtual expansible Local Area Network (VXLAN, Virtual eXtensible Local Area Network) skill
Art aims to solve the problem that the demand to virtual network constantly extended in data center network, most only with the vlan technology of Current standards
Contradiction between 4K virtual network can be provided.
In existing VXLAN, two sub- virtual network vlan of communication are realized in different virtual networks, it is desirable that its is fictitious
The network identity of quasi- network must be identical, can carry out user in the same virtual LAN different virtual networks it
Between carry out data interaction and communication.
Such as the teaching building in a campus has a virtual network A, laboratory building has a virtual network B, teaching building and reality
It tests building and physically there is a certain distance, need to pass through between the virtual network in virtual network and laboratory building in teaching building
Network carries out the transmitting of information and the exchange of data.In the virtual network of teaching building, including more than one sub- virtual network
Vlan, in the network of laboratory building, it is also possible to it include more than one vlan, as a vlan10 in teaching building, e.g. one
One group of a teacher group, when needing with same teacher's group communication inside laboratory building, it is desirable that teaching building vlan10 hair
The data sent are transmitted to the sub- virtual network reception that vlan10 is identified as after laboratory building by network, are just able to achieve so same
The information and data that group sends can receive in another virtual network.
But in actual application, the vlan10 mark in laboratory building may be by other business, such as student
Group occupy, in this way, from teaching building vlan10 send data, after being transmitted to laboratory building by network, cannot by teacher organize at
Member checks and accepts, cause user in the same vlan can not appearance the case where intercommunication in more than two virtual networks, networking is not
It is enough flexible, influence the normal forwarding of customer service.
Summary of the invention
The embodiment of the invention provides the device and method that data in a kind of VXLAN are transmitted, to solve different virtual networks
Between data forwarding when VLAN identify must identical bring networking inflexible problem.
In a first aspect, the embodiment of the invention provides data transmission in a kind of virtual expansible Local Area Network VXLAN
Equipment, including central processing unit, memory and tunnel termination block；The central processing unit respectively with the memory and the tunnel
Road termination block is connected, and the tunnel termination block turns for realizing the data of the first sub- virtual network in the first virtual network
Hair, the tunnel termination block includes data receipt unit, fictitious quasi- net mate unit and data forwarding unit:
The data receipt unit for receiving the data for being sent to the described first sub- virtual network, and decapsulates the number
According to；
Fictitious quasi- net mate unit, according to the mark of the sub- virtual network of the second virtual network carried in the data
Know, search the fictitious quasi- network mapping table of preservation, obtains corresponding with the sub- virtual network of second virtual network described the
The mark of the sub- virtual network of purpose in one virtual network, wherein first virtual network and second virtual network are logical
The forwarding of network implementations data is crossed, the fictitious quasi- network mapping table records sub- virtual network and the institute of second virtual network
State the corresponding relationship between the sub- virtual network of purpose；
Data transmission unit, in first virtual network for being got according to the fictitious quasi- net mate unit
The sub- virtual network of purpose mark, the data after decapsulation are sent to the sub- virtual network of the purpose.
In the first possible implementation of the first aspect, with reference to first aspect, the tunnel termination block is also wrapped
Include configuration receiving unit and configuration processing unit；
The configuration receiving unit, for receiving configuration order, the configuration order is arranged in first virtual network
The corresponding relationship between sub- virtual network in the sub- virtual network of unallocated business and second virtual network；
The configuration processing unit, for according to the corresponding relationship by unallocated business in first virtual network
The mark of sub- virtual network in the mark of sub- virtual network, with second virtual network, second virtual process identifications
Corresponding relationship between the network of the tunnel termination block in second virtual network between interconnection protocol IP is stored in described
Fictitious quasi- network mapping table.
In the second possible implementation of the first aspect, with reference to first aspect or first aspect the first may
Implementation, the tunnel termination block further include configuration transmission unit；
The configuration transmission unit, the sub- virtual network of unallocated business in first virtual network for that will save
Mark, with the mark of the sub- virtual network in the second virtual network, second virtual process identifications and described second virtual
Corresponding relationship between the IP of tunnel termination block in network is sent to second virtual network, so that described second is empty
The tunnel termination block of quasi- network is by the mark of the sub- virtual network of unallocated business in first virtual network, with the second void
Intend the tunnel termination in mark, second virtual process identifications and second virtual network of the sub- virtual network in network
Corresponding relationship between the IP of module is stored in the fictitious quasi- network mapping table of the tunnel termination block of second virtual network
In.
In a third possible implementation of the first aspect, with reference to first aspect or first aspect the first may
Implementation, the fictitious quasi- network mapping table includes: the mark of first virtual network, second virtual network
The IP address of tunnel termination block, the mark of the second virtual network neutron virtual network and the first virtual network neutron
The mark of virtual network.
In a fourth possible implementation of the first aspect, with reference to first aspect the third possible realization side
Formula, the fictitious quasi- net mate unit according to the mark of the sub- virtual network of the second virtual network carried in the data,
The fictitious quasi- network mapping table saved is searched, it is empty to obtain corresponding with the sub- virtual network of second virtual network described first
The mark of the sub- virtual network of purpose in quasi- network includes:
The fictitious quasi- net mate unit is according to the mark of second virtual network, the tunnel of second virtual network
The mark of the sub- virtual network of the IP address of road termination block and second virtual network searches the fictitious quasi- network mapping
Table obtains the mark of the first virtual network neutron virtual network.
In the fifth possible implementation of the first aspect, with reference to first aspect the third possible realization side
Formula, the data forwarding unit are also used to be packaged the data for being sent to second virtual network, and by the number after encapsulation
According to being sent to the data transmission unit.
Second aspect, the embodiment of the invention provides data transmission in a kind of virtual expansible Local Area Network VXLAN
Method, comprising:
The data for being sent to the first sub- virtual network are received, and decapsulate the data；
According to the mark of the sub- virtual network of the second virtual network carried in the data, the sub- virtual net of preservation is searched
Network mapping table, the purpose obtained in first virtual network corresponding with the sub- virtual network of second virtual network are fictitious
The mark of quasi- network, wherein the forwarding of first virtual network and second virtual network by network implementations data, institute
Fictitious quasi- network mapping table is stated to record between the sub- virtual network of second virtual network and the sub- virtual network of the purpose
Corresponding relationship；
According to the mark of the sub- virtual network of purpose in first virtual network, the data after decapsulation are sent
Give the purpose sub- virtual network.
In the first possible implementation of the second aspect, in conjunction with second aspect, it is fictitious quasi- that first is sent in reception
Before the data of network, the method also includes:
Configuration order is received, the sub- virtual network of unallocated business in first virtual network is arranged in the configuration order
With the corresponding relationship between the sub- virtual network in second virtual network；
According to the corresponding relationship by the mark of the sub- virtual network of unallocated business in first virtual network, with institute
It states in mark, second virtual process identifications and second virtual network of the sub- virtual network in the second virtual network
Corresponding relationship between the network of tunnel termination block between interconnection protocol IP is stored in the fictitious quasi- network mapping table.
It in a second possible implementation of the second aspect, may in conjunction with the first of second aspect or second aspect
Implementation, the method also includes:
By the mark of the sub- virtual network of unallocated business in first virtual network of preservation, with the second virtual network
In the mark of sub- virtual network, second virtual process identifications and the tunnel termination block in second virtual network
Corresponding relationship between IP is sent to second virtual network, so that the tunnel termination block of second virtual network will
The mark of the sub- virtual network of unallocated business in first virtual network, with the sub- virtual network in the second virtual network
Corresponding pass between mark, second virtual process identifications and the IP of the tunnel termination block in second virtual network
System, is stored in the fictitious quasi- network mapping table of the tunnel termination block of second virtual network.
It in the third possible implementation of the second aspect, may in conjunction with the first of second aspect or second aspect
Implementation, the fictitious quasi- network mapping table includes: the mark of first virtual network, second virtual network
The IP address of tunnel termination block, the mark of the second virtual network neutron virtual network and the first virtual network neutron
The mark of virtual network.
In the fourth possible implementation of the second aspect, in conjunction with the third possible realization side of second aspect
Formula, the mark of the sub- virtual network according to the second virtual network carried in the data, searches the sub- virtual net of preservation
Network mapping table, the purpose obtained in first virtual network corresponding with the sub- virtual network of second virtual network are fictitious
The mark of quasi- network includes:
According to the mark of second virtual network, the IP address of the tunnel termination block of second virtual network and institute
The mark of the sub- virtual network of the second virtual network is stated, the fictitious quasi- network mapping table is searched, obtains first virtual net
The mark of network neutron virtual network.
In a fifth possible implementation of the second aspect, in conjunction with the third possible realization side of second aspect
Formula, it is described that the data to be sent are sent to the correspondence of the sub- virtual process identifications in second virtual network by network
Sub- virtual network include:
The data to be sent are packaged, and the data after encapsulation are sent to fictitious in the second virtual network
The quasi- corresponding sub- virtual network of network identity.
The embodiment of the present invention virtually in expansible Local Area Network VXLAN data transmission device and method, according to connecing
The mark of the sub- virtual network of the second virtual network carried in the data received searches the fictitious quasi- network mapping table of preservation,
Obtain the sub- virtual network of purpose in first virtual network corresponding with the sub- virtual network of second virtual network
Mark, may be implemented to be made according to the actual needs flexible configuration of networking in the sub- virtual network for belonging to a virtual network
The forwarding of data can be effectively performed in the sub- virtual network for obtaining different zones.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is a kind of realization structural schematic diagram of the tunnel VXLAN destination node VTEP in the embodiment of the present invention；
Fig. 2 is virtual network concrete application scene schematic diagram in the embodiment of the present invention；
Fig. 3 is that virtual network concrete application scene realizes schematic diagram of the invention in the embodiment of the present invention；
Fig. 4 is that data transmission is set in a kind of virtual expansible Local Area Network VXLAN provided in an embodiment of the present invention
Standby 400 structural schematic diagram；
Fig. 5 is that data transmission is set in a kind of virtual expansible Local Area Network VXLAN provided in an embodiment of the present invention
Standby 400 another realization structural schematic diagram；
Fig. 6 is data transmission method in a kind of virtual expansible Local Area Network VXLAN provided in an embodiment of the present invention
Flow diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's every other reality obtained without making creative work
Example is applied, all should belong to the scope of protection of the invention.
In virtual network, the tunnel VXLAN destination node VTEP (VXLAN Terminal End Point) is VXLAN network
Functional module on middle server is packaged into VXLAN message for receiving the two layer message into tunnel, and by two layer message,
The message of VXLAN after encapsulation is reduced to two layer message by tunnel destination node, i.e. VTEP is responsible for the encapsulation and solution in the tunnel VXLAN
Encapsulation, to realize the data forwarding between different virtual networks by network.
VTEP is the node that a virtual network and other virtual networks connect transmitting data each other, can be a service
A chip or a functional module on device, the chip or a functional module being also possible in a switching equipment.
Above-mentioned virtual network can be the virtual network of certain area, and multiple virtual networks are connected with each other and data by network implementations
Forwarding.
As shown in Figure 1, in the server include central processor CPU 101 so that VTEP is realized on the server as an example, it is interior
Deposit 102 and tunnel destination node VTEP103.VTEP103 realizes its function under the control of central processing unit.The embodiment of the present invention
In, VETP can also realize its function in other equipment (such as switching equipment) or independent equipment, repeat no more.
Below by taking three virtual networks carry out the forwarding of data by network as an example, VXLAN a kind of to the embodiment of the present invention
The device and method of middle data transmission are illustrated.
As shown in Fig. 2, three virtual networks realize that the data between different virtual networks turn by respective VTEP respectively
Hair.Sub- virtual network in the virtual network for being identified as 4096 of VTEP1 management includes vlan10, vlan20 and vlan30；
Sub- virtual network in the virtual network for being identified as 4096 of VTEP2 management also includes vlan10, vlan20 and vlan30；
Sub- virtual network in the virtual network for being identified as 4096 of VTEP3 management includes vlan10, vlan20 and vlan30~50.
As shown in Fig. 2, if the user in the virtual network that the virtual process identifications of VTEP1 management are 4096 needs
User in the same virtual network in virtual network for being 4096 with the VTEP3 virtual process identifications managed by network passes through
Network carries out data transmission, and needs to establish the sub- virtual net that a vlan30 is mark in the virtual network that VTEP3 is managed
Network enables and is forwarded in purpose virtual network from the data that the vlan30 in VTEP1 is passed over by VTEP3.But it is existing
Have in technology to exist and identify vlan30 occupied situation in the virtual network that VTEP3 is managed, i.e., vlan30 is by it
Occupied by the corresponding sub- virtual network of its business, when being sent to VTEP3 from the vlan30 in VTEP1 in this way, it can be forwarded by VTEP3
To being identified as the corresponding sub- virtual network of vlan30, and the vlan30 that the sub- virtual network is not VTEP1 management to be sent
The sub- virtual network of purpose causes the user in the same sub- virtual network to cannot achieve intercommunication, and network organizing is inflexible, influences
The forwarding of user data.
The embodiment of the present invention is by the configuration in change VTEP3, by the sub- virtual net of business unassigned in virtual network 3
Network is identified as the corresponding sub- virtual network of the sub- virtual network of vlan30 as with what VTEP1 was managed, and establishes mapping table,
In data forwarding, forward the data in corresponding sub- virtual network.Specific step as shown in Figure 3:
The VTEP of the S1: the first virtual network of step receives configuration order, and the configuration order is arranged in the first virtual network
Sub- virtual network mark and the second virtual network in sub- virtual process identifications between corresponding relationship；
Specifically, can by user command row or dedicated configuration management tool (such as VXLAN Manager), under
Send out configuration order described.
By taking user issues configuration fame and gain by order line as an example, user inputs the vlan of local user by configuration interface
(Local Customer Vlan), void where the vlan (Remote Customer Vlan) and remote subscriber of remote subscriber
Interconnection protocol IP address (Remote Peer Ip) between the network of the VTEP of quasi- network.It is empty where VTEP3 such as in above-mentioned Fig. 2
Quasi- network is the first virtual network, and the virtual network where VTEP2 is the second virtual network, the mark managed by VTEP3
For in 4096 virtual network, sub- virtual network vlan30 is occupied, need by configuring, it will be unappropriated fictitious quasi-
Network (such as vlan4094) is configured to the sub- virtual network in the virtual network for being identified as 4096 managed with VTEP1
The corresponding sub- virtual network of vlan30.
Based on examples detailed above, above-mentioned Local Customer Vlan be can be in the virtual network in Fig. 2 where VTEP3
The sub- virtual network vlan of unallocated business, such as vlan4094；Remote Customer Vlan can be VTEP1 and be managed
Virtual network in the corresponding sub- virtual network of vlan 30；Remote Peer Ip can be the IP address of VTEP1.Configuration life
Order can be as follows:
[Server3-VXLAN-VNI4096]customer vlan 4094mapping-to remote
Ip10.10.10.1remote vlan 30, the type of the message can be with are as follows: vxlan-customer-vlan-mapping, it should
Type of message carries within the message, for identifying the message of corresponding relationship of the message for configuring sub- virtual network.
The message that S2: the VTEP of first virtual network parsing issues, if type of message is vxlan-
Customer-vlan-mapping is determined in the mark of the Vlan in the first virtual network and second area according to the message
Corresponding relationship between Vlan mark, and the corresponding relationship is stored in fictitious quasi- network mapping table.
Specifically, VTEP3 can call vxlan- according to the vxlan-customer-vlan-mapping message
Customer-vlan-mapping message processing function extracts following parameter from the message:
VNIID, Remote Peer Ip, Remote Customer Vlan and Local Customer Vlan.Its
In, VNI is VXLAN network identifier, and VNIID is the ID of VXLAN network identifier.
Construction is Key, Local Customer with VNIID, Remote Peer Ip, Remote Customer Vlan
Vlan is the hash table of Result, which is added in the fictitious quasi- network mapping table of VTEP3, and the mapping table is deposited
In the memory of the equipment where VTEP3.
Sub- virtual process identifications in sub- virtual process identifications and the second virtual network in above-mentioned first virtual network it
Between corresponding relationship can be as shown in table 1:
Table 1
Wherein, VNIID indicate virtual network mark, such as in Fig. 2 virtual network mark 4096, Remote Peer
Ip indicates the IP address of VTEP, such as the IP address of VTEP1 is 10.10.10.1 in Fig. 2, and the IP address of VTEP2 is
20.20.20.2；Remote Customer Vlan indicates corresponding sub- virtual process identifications in the virtual network of distal end, such as
The vlan30 in vlan30 or VTEP2 in VTEP1；Local Customer Vlan virtual network mark corresponding with local
Know, such as in Fig. 2, the sub- virtual process identifications vlan4094 of unallocated business in VTEP3.
It optionally, is the reliability for guaranteeing corresponding relationship, method provided in an embodiment of the present invention can also be by sub- virtual net
Network mapping table is backed up in realtime in the alternate devices such as the mounted memory of baseboard management controller BMC.It is main after electricity under server
List item in machine memory restores by restoring in the alternate device.
Configuration information is sent to the second specified virtual net by VTEP signaling by the VTEP of S3, first virtual network
The VTEP of network, signalling path and message format can be as shown in Figure 3.
VTEP3 (can be the signaling distribution unit in VTEP3) is in vxlan customer vlan mapping message
The corresponding value of each field filling, such as the corresponding value of each field shown in table 1, and by filled vxlan customer
Vlan mapping is sent to VTEP1 and VTEP2.For example, the vxlan customer vlan mapping sent to VTEP1
In message, 4096 are inserted in VNIID field, 10.10.10.1 is inserted in Remote Peer Ip field, in Remote
Customer Vlan field filling 30 inserts 4094 in Local Customer Vlan field.The vxlan sent to VTEP2
In customer vlan mapping message, 4096 are inserted in VNIID field, is inserted in Remote Peer Ip field
20.20.20.2,30 are inserted in Remote Customer Vlan field, is inserted in Local Customer Vlan field
4094。
It, will be described right after the VTEP of S4: the second virtual network receives the message of the VTEP of the first virtual network
It should be related in the fictitious quasi- network mapping table for the VTEP for being stored in the second virtual network, and fictitious quasi- network mapping table is stored in
In local host memory.Fictitious quasi- network mapping table in second virtual network can be as shown in table 2:
Table 2
Specifically, can be the signaling receiving unit of the VTEP of the second virtual network, first virtual network is received
The message that VTEP is sent.After the signaling receiving unit of the VTEP of second virtual network receives the message that distal end VTEP is sended over,
The legitimacy of verification message first, then parses type of message, for VXLAN_CUSTOMER_VLAN_MAPPING message, adjusts
It is further processed with the Vlan mapping processing function in signaling processing component.Vlan mapping handles function from message structure body
In one by one field extract information, with VNIID, Local Ip, Local Customer Vlan is Key, Remote for creation
Customer Vlan is the hash table of Result, which is added in the VLAN mapping table of VTEP component, the mapping table
It is similarly positioned in host memory.
After the sub- virtual network corresponding relationship in fictitious quasi- network mapping table is established, different sub- virtual networks are being realized
When data forwarding, number can be realized according to the corresponding relationship of mark of the sub- virtual network recorded in fictitious quasi- network mapping table
According to forwarding.
Such as in Fig. 2, VTEP3 receives the data that the sub- virtual network for being identified as vlan30 of VTEP1 transmission is sent, solution
After encapsulation, according to the sub- virtual process identifications vlan30 of sub- virtual process identifications in the source of data after decapsulation, that is, VTEP1 management,
The IP address of virtual process identifications and VTEP1 where vlan30 searches fictitious quasi- network mapping table, obtains corresponding
The mark for the sub- virtual network that VTEP3 is managed, and send the data to the sub- virtual network that the VTEP3 got is managed
The corresponding sub- virtual network of mark.
With reference to Fig. 4, Fig. 4 is data in a kind of virtual expansible Local Area Network VXLAN provided in an embodiment of the present invention
The structural schematic diagram of the equipment 400 of transmission, including central processing unit 401, memory 402 and tunnel termination block 403；The center
Processor 401 is connected with the memory 402 and the tunnel termination block 403 respectively, and the tunnel termination block 403 is for real
The data forwarding of first sub- virtual network in existing first virtual network, which is characterized in that the tunnel termination block includes data
Receiving unit 4031, fictitious quasi- net mate unit 4032 and data forwarding unit 4033:
The data receipt unit 4031 for receiving the data for being sent to the described first sub- virtual network, and decapsulates institute
State data；
Fictitious quasi- net mate unit 4032, according to the sub- virtual network of the second virtual network carried in the data
Mark searches the fictitious quasi- network mapping table of preservation, obtains corresponding with the sub- virtual network of second virtual network described
The mark of the sub- virtual network of purpose in first virtual network, wherein first virtual network and second virtual network
By the forwarding of network implementations data, the fictitious quasi- network mapping table record the sub- virtual network of second virtual network with
Corresponding relationship between the sub- virtual network of purpose；
Data transmission unit 4033, first virtual net for being got according to the fictitious quasi- net mate unit
The data after decapsulation are sent to the sub- virtual network of the purpose by the mark of the sub- virtual network of purpose in network.
The equipment 400 of data transmission, passes through fictitious quasi- net mate in above-mentioned virtual expansible Local Area Network VXLAN
Unit 4032 searches the sub- virtual net of preservation according to the mark of the sub- virtual network of the second virtual network carried in the data
Network mapping table, the purpose obtained in first virtual network corresponding with the sub- virtual network of second virtual network are fictitious
The mark of quasi- network, may be implemented can be flexible according to the actual needs of networking in the sub- virtual network for belonging to a virtual network
Configuration, enables the sub- virtual network of different zones that the forwarding of data is effectively performed.
In specific implementation, as shown in figure 5, virtual expansible Local Area Network VXLAN provided in an embodiment of the present invention
In the equipment 400 of middle data transmission, the tunnel termination block 403 further includes configuration receiving unit 4034 and configuration processing unit
4035；
The configuration receiving unit 4034, for according to the corresponding relationship by unallocated industry in first virtual network
The mark of the sub- virtual network of business, mark, second virtual network with the sub- virtual network in second virtual network
Corresponding relationship between mark and the IP of the tunnel termination block in second virtual network, is stored in the sub- virtual network
Mapping table；
The configuration processing unit 4035, for according to the corresponding relationship by unallocated industry in first virtual network
Corresponding relationship between the mark and the mark of the sub- virtual network in second virtual network of the sub- virtual network of business, saves
In the fictitious quasi- network mapping table.
Optionally, the tunnel termination block 403 further includes configuration transmission unit 4036；
The configuration transmission unit 4036, unallocated business is fictitious quasi- in first virtual network for that will save
The mark of sub- virtual network in the mark of network, with the second virtual network, second virtual process identifications and described second
Corresponding relationship between the IP of tunnel termination block in virtual network is sent to second virtual network, so that described
The tunnel termination block of two virtual networks is by the mark of the sub- virtual network of unallocated business in first virtual network, with
Tunnel in the mark of sub- virtual network in two virtual networks, second virtual process identifications and second virtual network
Corresponding relationship between the IP of termination block, the sub- virtual network for being stored in the tunnel termination block of second virtual network are reflected
In firing table.
By configuring transmission unit 4036, the tunnel termination block of other virtual networks can be enabled to obtain and matched
Data can be accurately sent to corresponding sub- virtual net when realizing data forwarding by the sub- virtual network corresponding relationship set
Network.
In the concrete realization, fictitious quasi- network mapping table described in the embodiment of the present invention may include: first virtual net
The mark of network, the IP address of the tunnel termination block of second virtual network, the second virtual network neutron virtual network
Mark and the first virtual network neutron virtual network mark, such as mapping table shown in above-mentioned table 1.Accordingly
, the fictitious quasi- net mate unit 4032 is according to the mark of the sub- virtual network of the second virtual network carried in the data
Know, search the fictitious quasi- network mapping table of preservation, obtains corresponding with the sub- virtual network of second virtual network described the
The mark of the sub- virtual network of purpose in one virtual network includes: that the fictitious quasi- net mate unit is virtual according to described second
The sub- virtual net of the mark of network, the IP address of the tunnel termination block of second virtual network and second virtual network
The mark of network searches the fictitious quasi- network mapping table, obtains the mark of the first virtual network neutron virtual network.
Optionally, the data forwarding unit 4033 is also used to seal the data for being sent to second virtual network
Dress, and the data after encapsulation are sent to the data transmission unit.
With reference to Fig. 6, Fig. 6 is transmission side data in a kind of virtual expansible Local Area Network VXLAN of the embodiment of the present invention
The flow diagram of method, comprising:
Step 600: receiving the data for being sent to the first sub- virtual network, and decapsulate the data；
Step 602: according to the mark of the sub- virtual network of the second virtual network carried in the data, searching preservation
Fictitious quasi- network mapping table obtains in first virtual network corresponding with the sub- virtual network of second virtual network
The mark of the sub- virtual network of purpose, wherein first virtual network and second virtual network pass through network implementations data
Forwarding, the fictitious quasi- network mapping table record second virtual network sub- virtual network and the sub- virtual net of the purpose
Corresponding relationship between network；
Step 604: according to the mark of the sub- virtual network of purpose in first virtual network, described in after decapsulation
Data are sent to the sub- virtual network of the purpose.
The method of data transmission, takes according in the data received in above-mentioned virtual expansible Local Area Network VXLAN
The mark of the sub- virtual network of second virtual network of band, the virtual process identifications of the second virtual network and the transmission data
The second virtual network tunnel termination block IP address, search the fictitious quasi- network mapping table of preservation, obtain and described the
The mark of the sub- virtual network of purpose in corresponding first virtual network of the sub- virtual network of two virtual networks, may be implemented
The sub- virtual network for belonging to a virtual network can be according to the actual needs flexible configuration of networking, so that the son of different zones
The forwarding of data can be effectively performed in virtual network.
It is that before reception is sent to the data of the first sub- virtual network, the method can also include: in specific implementation
Configuration order is received, the sub- virtual network of unallocated business in first virtual network is arranged in the configuration order
With the corresponding relationship between the sub- virtual network in second virtual network；
According to the corresponding relationship by the mark of the sub- virtual network of unallocated business in first virtual network, with institute
It states in mark, second virtual process identifications and second virtual network of the sub- virtual network in the second virtual network
Corresponding relationship between the IP of tunnel termination block is stored in the fictitious quasi- network mapping table.
As a kind of optional implementation, the method can also include:
By the mark of the sub- virtual network of unallocated business in first virtual network of preservation, with the second virtual network
In the mark of sub- virtual network, second virtual process identifications and the tunnel termination block in second virtual network
Corresponding relationship between IP is sent to second virtual network, so that the tunnel termination block of second virtual network will
The mark of the sub- virtual network of unallocated business in first virtual network, with the sub- virtual network in the second virtual network
Corresponding pass between mark, second virtual process identifications and the IP of the tunnel termination block in second virtual network
System, is stored in the fictitious quasi- network mapping table of the tunnel termination block of second virtual network.
It is virtual by the mark of the sub- virtual network of unallocated business in first virtual network that will save and second
Corresponding relationship between the mark of sub- virtual network in network is sent to second virtual network, can make other virtual
The tunnel termination block of network can obtain the sub- virtual network corresponding relationship being configured can when realizing data forwarding
Data are accurately sent to corresponding sub- virtual network.
In the embodiment of the present invention, the fictitious quasi- network mapping table includes: the mark of first virtual network, described
The mark and described first of the IP address of the tunnel termination block of two virtual networks, the second virtual network neutron virtual network
The mark of virtual network neutron virtual network, such as can be mapping table shown in table 1.Correspondingly, described according to
The mark of the sub- virtual network of the second virtual network carried in data, searches the fictitious quasi- network mapping table of preservation, obtain with
The mark packet of the sub- virtual network of purpose in corresponding first virtual network of the sub- virtual network of second virtual network
It includes: according to the mark of second virtual network, the IP address of the tunnel termination block of second virtual network and described
The mark of the sub- virtual network of two virtual networks searches the fictitious quasi- network mapping table, obtains in first virtual network
The mark of sub- virtual network.
It is described that the data to be sent are passed through into network in the embodiment of the present invention as a kind of optional implementation
The corresponding sub- virtual network of the sub- virtual process identifications being sent in second virtual network includes:
The data to be sent are packaged, and the data after encapsulation are sent to fictitious in the second virtual network
The quasi- corresponding sub- virtual network of network identity.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware
With the interchangeability of software, each exemplary composition and step are generally described according to function in the above description.This
A little functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Specially
Industry technical staff can use different methods to achieve the described function each specific application, but this realization is not
It is considered as beyond the scope of this invention.
It is apparent to those skilled in the art that for convenience of description and succinctly, foregoing description is
The specific work process of system, device and unit, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.In addition, shown or beg for
Opinion mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING of device or unit
Or communication connection, it is also possible to electricity, mechanical or other form connections.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.Some or all of unit therein can be selected to realize the embodiment of the present invention according to the actual needs
Purpose.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, is also possible to two or more units and is integrated in one unit.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (12)
1. the equipment of data transmission in a kind of virtual expansible Local Area Network VXLAN, including central processing unit, memory and tunnel
Road termination block；The central processing unit is connected with the memory and the tunnel termination block respectively, the tunnel termination mould
Block for realizing the first sub- virtual network in the first virtual network data forwarding, which is characterized in that the tunnel termination block
Including data receipt unit, fictitious quasi- net mate unit and data forwarding unit:
The data receipt unit for receiving the data for being sent to the described first sub- virtual network, and decapsulates the data；
Fictitious quasi- net mate unit is looked into according to the mark of the sub- virtual network of the second virtual network carried in the data
The fictitious quasi- network mapping table of preservation is looked for, it is virtual to obtain corresponding with the sub- virtual network of second virtual network described first
The mark of the sub- virtual network of purpose in network, wherein first virtual network and second virtual network pass through network
Realize the forwarding of data, the fictitious quasi- network mapping table records the sub- virtual network and the purpose of second virtual network
Corresponding relationship between sub- virtual network；
Data transmission unit, the mesh in first virtual network for being got according to the fictitious quasi- net mate unit
Sub- virtual network mark, the data after decapsulation are sent to the sub- virtual network of the purpose.
2. equipment according to claim 1, which is characterized in that the tunnel termination block further include configuration receiving unit and
Configure processing unit；
The configuration receiving unit, for receiving configuration order, the configuration order, which is arranged in first virtual network, does not divide
The corresponding relationship between sub- virtual network in sub- virtual network and second virtual network with business；
The configuration processing unit, for according to the corresponding relationship by first virtual network unallocated business it is fictitious
The mark of quasi- network, mark, second virtual process identifications and institute with the sub- virtual network in second virtual network
The corresponding relationship between the network of the tunnel termination block in the second virtual network between interconnection protocol IP is stated, is stored in described fictitious
Quasi- network mapping table.
3. equipment according to claim 1 or 2, which is characterized in that the tunnel termination block further includes that configuration sends list
Member；
The configuration transmission unit, the mark of the sub- virtual network of unallocated business in first virtual network for that will save
Know, mark, second virtual process identifications and second virtual network with the sub- virtual network in the second virtual network
In tunnel termination block IP between corresponding relationship, second virtual network is sent to, so that second virtual net
The tunnel termination block of network is by the mark of the sub- virtual network of unallocated business in first virtual network, with the second virtual net
Tunnel termination block in the mark of sub- virtual network in network, second virtual process identifications and second virtual network
IP between corresponding relationship, be stored in the fictitious quasi- network mapping table of the tunnel termination block of second virtual network.
4. equipment according to claim 1 or 2, which is characterized in that
The fictitious quasi- network mapping table includes: the tunnel end of the mark of second virtual network, second virtual network
The IP address of module and the mark of the second virtual network neutron virtual network are tied, it is virtual with the first virtual network neutron
Corresponding relationship between the mark of network.
5. equipment according to claim 1 or 2, which is characterized in that the fictitious quasi- net mate unit is according to the number
According to the mark of the sub- virtual network of the second virtual network of middle carrying, the fictitious quasi- network mapping table of preservation, acquisition and institute are searched
The mark for stating the sub- virtual network of purpose in corresponding first virtual network of sub- virtual network of the second virtual network includes:
The fictitious quasi- net mate unit is whole according to the mark of second virtual network, the tunnel of second virtual network
The mark of the IP address of module and the sub- virtual network of second virtual network is tied, the fictitious quasi- network mapping table is searched,
Obtain the mark of the first virtual network neutron virtual network.
6. equipment according to claim 4, which is characterized in that
The data forwarding unit is also used to be packaged the data for being sent to second virtual network, and by the number after encapsulation
According to being sent to the data transmission unit.
7. data transmission method in a kind of virtual expansible Local Area Network VXLAN, it is characterised in that:
The data for being sent to the first sub- virtual network are received, and decapsulate the data；
According to the mark of the sub- virtual network of the second virtual network carried in the data, the sub- virtual network for searching preservation is reflected
Firing table obtains the sub- virtual network of purpose in the first virtual network corresponding with the sub- virtual network of second virtual network
Mark, wherein first virtual network passes through the forwarding of network implementations data with second virtual network, described fictitious quasi-
Network mapping table records the corresponding relationship between the sub- virtual network of second virtual network and the sub- virtual network of the purpose；
According to the mark of the sub- virtual network of purpose in first virtual network, the data after decapsulation are sent to institute
State the sub- virtual network of purpose.
8. the method according to the description of claim 7 is characterized in that receive be sent to the data of the first sub- virtual network before,
The method also includes:
Configuration order is received, the sub- virtual network of unallocated business and institute in first virtual network is arranged in the configuration order
State the corresponding relationship between the sub- virtual network in the second virtual network；
According to the corresponding relationship by the mark of the sub- virtual network of unallocated business in first virtual network, with described
Tunnel in the mark of sub- virtual network in two virtual networks, second virtual process identifications and second virtual network
Corresponding relationship between the network of termination block between interconnection protocol IP is stored in the fictitious quasi- network mapping table.
9. method according to claim 7 or 8, which is characterized in that the method also includes:
By the mark of the sub- virtual network of unallocated business in first virtual network of preservation, in the second virtual network
The IP of the mark of sub- virtual network, second virtual process identifications and the tunnel termination block in second virtual network it
Between corresponding relationship, second virtual network is sent to, so that the tunnel termination block of second virtual network will be described
The mark of the sub- virtual network of unallocated business in first virtual network, the mark with the sub- virtual network in the second virtual network
Know, the corresponding relationship between second virtual process identifications and the IP of the tunnel termination block in second virtual network,
It is stored in the fictitious quasi- network mapping table of the tunnel termination block of second virtual network.
10. method according to claim 7 or 8, which is characterized in that the method also includes:
The fictitious quasi- network mapping table includes: the tunnel end of the mark of second virtual network, second virtual network
IP address, the mark of the second virtual network neutron virtual network of module are tied, it is virtual with the first virtual network neutron
Corresponding relationship between the mark of network.
11. according to the method described in claim 10, it is characterized in that, described according to the second virtual net carried in the data
The mark of the sub- virtual network of network searches the fictitious quasi- network mapping table of preservation, obtains fictitious with second virtual network
The mark of the sub- virtual network of purpose in quasi- corresponding first virtual network of network includes:
According to the mark of second virtual network, the IP address of the tunnel termination block of second virtual network and described
The mark of the sub- virtual network of two virtual networks searches the fictitious quasi- network mapping table, obtains in first virtual network
The mark of sub- virtual network.
12. according to the method described in claim 10, it is characterized in that, the method also includes:
The data to be sent are packaged, and the data after encapsulation are sent to the sub- virtual net in the second virtual network
Network identifies corresponding sub- virtual network.
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| CN201410856308.6A CN105812221B (en) | 2014-12-31 | 2014-12-31 | The device and method of data transmission in virtual expansible Local Area Network |
| PCT/CN2015/093583 WO2016107269A1 (en) | 2014-12-31 | 2015-11-02 | Device and method for data transmission in virtual extensible local area network |
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| CN201410856308.6A CN105812221B (en) | 2014-12-31 | 2014-12-31 | The device and method of data transmission in virtual expansible Local Area Network |
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| CN107786410B (en) * | 2016-12-29 | 2020-08-28 | 平安科技（深圳）有限公司 | VXLAN implementation method and terminal based on Ethernet encapsulation |
| CN109673046B (en) * | 2017-10-16 | 2021-02-09 | 华为技术有限公司 | Mobility management method, terminal and core network equipment |
| CN107995084B (en) * | 2017-11-09 | 2020-12-01 | 新华三技术有限公司 | Tunnel selection method and device |
| CN109768908B (en) * | 2017-11-09 | 2020-10-09 | 华为技术有限公司 | VXLAN configuration method, equipment and system |
| CN116156027B (en) * | 2023-04-20 | 2023-07-18 | 中国人民解放军国防科技大学 | Action execution engine supporting RMT and execution method thereof |
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| CN102970227B (en) * | 2012-11-12 | 2016-03-02 | 盛科网络（苏州）有限公司 | The method and apparatus of VXLAN message repeating is realized in ASIC |
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| CN101286918A (en) * | 2007-04-09 | 2008-10-15 | 中国移动通信集团公司 | Virtual private network system and data processing method thereof |
| CN103095546A (en) * | 2013-01-28 | 2013-05-08 | 华为技术有限公司 | Method, device and data center network for processing messages |
| CN104518935A (en) * | 2013-09-27 | 2015-04-15 | 华为技术有限公司 | Method for realizing virtual network communication, device, and system |
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