CN108696414A - Return cut-in method, device and more home nodes more - Google Patents
Return cut-in method, device and more home nodes more Download PDFInfo
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- CN108696414A CN108696414A CN201710216783.0A CN201710216783A CN108696414A CN 108696414 A CN108696414 A CN 108696414A CN 201710216783 A CN201710216783 A CN 201710216783A CN 108696414 A CN108696414 A CN 108696414A
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- esi
- side message
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Classifications
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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]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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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]
- H04L12/46—Interconnection of networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/16—Multipoint routing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/15—Flow control; Congestion control in relation to multipoint traffic
Abstract
The invention discloses one kind returning cut-in method, device and more home nodes more, to solve the problem of not supporting that belong to mixing accesses more caused by more ownership accesses between multicast winding and ESI member caused by multicast isolation.It is described that cut-in method is returned to be used for more home nodes more, the method includes:When unlocking default identification information in the network side message from any neighbor node received, according to the identification information unlocked, the too network segment identifier ESI corresponding with the identification information is determined;In each interface of more home nodes, inquiry is corresponding with the ESI determined to return interface more;Filter inquire return interface, by the network side message to remaining interface broadcast.
Description
Technical field
The present invention relates to cloud computing and data Center Technology field, return more particularly to one kind more cut-in method, device and
More home nodes.
Background technology
VXLAN EVPN technologies are as the major technique for the big two layers of interconnection of data center, the RFC7432 marks of IETF
In standard, CE (Customer Edge, customer side edge device) is returned more and is linked into PE (Provider Edge, network side
Edge equipment) scene, have corresponding description;Wherein, VXLAN is Virtual Extensible Local Area Network
(virtual expansible LAN);EVPN is Ethernet Virtual Private Network (Ethernet Virtual Private Networks
Network).Typical networking is as shown in Figure 1:
Physical link configuration MC-LAG (the Multi-chassis Link of CE1 dual homeds PE, PE for CE and PE
Aggregation Group, the link aggregation group of striding equipment), and configure corresponding ESI (Ethernet Segment
Identifier, ethernet segment identifier), and corresponding switch living mostly living/mono- is set;
The PE of the same CE connections, corresponding ESI needs to configure into consistent;
For configuring each PE equipment of identical ESI, the RT (Router Type, router type)-for carrying out EVPN is needed
4 negotiation, election DF (Designated Forwarder, specified to turn originator), so as to extra BUM (broadcast&
unknown-unicast&Multicast, multicast) flow be filtered (only DF can receive multicast, Non-DF does not receive more
It broadcasts).
When PE sends the routing of RT-1 (first kind route-type) and RT-4 (the 4th class route-type) type, band is needed
The ESI configured, to form redundancy routing living mostly living/mono- according to ESI values in far-end PE.
Extra unicast forwarding, content as defined in agreement can be good at supporting existing scene.But for multicast message, association
This scheme of view, there are some problems, as shown in Figure 2:If VXLAN data messages belong to BUM messages, the sides CE MC-LAG is used
Load sharing mode, it is possible to VXLAN data messages be sent to Non-DF PE equipment, Non-DF PE are broadcasted to network side and reported
Text, after corresponding DF PE equipment receives flow, it is possible to be sent to original CE, lead to BUM message winding.
Another ESI scheme is as shown in Figure 3:Return of setting does not send BUM messages more between PE, then what PE was received from the sides CE
BUM flows would not be sent toward other ESI neighbours, solve the problems, such as multicast winding.But the field in this way for more returning mixed configuration
Scape, may result in singly to return can not a little receive multicast message.
Invention content
In order to overcome drawbacks described above, the technical problem to be solved in the present invention is to provide one kind more return cut-in method, device and
More home nodes, to solve the problems, such as more caused nothings caused by multicast isolation between multicast winding and ESI member of ownership access
Method supports the problem of more ownership mixing accesses.
In order to solve the above technical problems, one kind in the present invention returns cut-in method more, it to be used for more home nodes, the method
Including:
When unlocking default identification information in the network side message from any neighbor node received, according to unlocking
Identification information, determine the too network segment identifier ESI corresponding with the identification information;
In each interface of more home nodes, inquiry is corresponding with the ESI determined to return interface more;
Filter inquire return interface, by the network side message to remaining interface broadcast.
In order to solve the above technical problems, one kind in the present invention returns access device more, it to be used for more home nodes, described device
Including:
Module is unsealed, default identification information is unlocked from the network side message of any neighbor node received for working as
When, according to the identification information unlocked, determine the too network segment identifier ESI corresponding with the identification information;
Enquiry module connects more in each interface of more home nodes, inquiring return corresponding with the ESI determined
Mouthful;
Broadcast module filters inquire more and returns interface, and the network side message is broadcasted to remaining interface.
In order to solve the above technical problems, a kind of more home nodes in the present invention, including any one described device as above.
In order to solve the above technical problems, a kind of more home nodes in the present invention, including processor and storage device, it is described
It is stored with multiple instruction in storage device and returns cut-in method more to realize, the processor executes the multiple instruction to realize:
When unlocking default identification information in the network side message from any neighbor node received, according to unlocking
Identification information, determine the too network segment identifier ESI corresponding with the identification information;
In each interface of more home nodes, inquiry is corresponding with the ESI determined to return interface more;
Filter inquire return interface, by the network side message to remaining interface broadcast.
The present invention has the beneficial effect that:
In the present invention to return cut-in method, device and more home nodes, by unlocking identification information, inquiry is believed with mark more
It ceases and corresponding returns access side interface more;Then inquire are filtered more and return access side interface, by the network side message to remaining
Interface is broadcasted.It efficiently solves the problems, such as multicast winding caused by more ownership accesses in the prior art, and solves between ESI member
More ownership mixing access problems can not be supported caused by multicast isolation.And it can under normal circumstances, for the sides CE and network
Effluent amount carries out load sharing forwarding, improves bandwidth availability ratio;In MC-LAG Member Link failures, return PE member device failures more
In the case of, the sides CE and network side flow can be protected, improve the reliability of VXLAN networks.
Description of the drawings
Fig. 1 is a kind of flow charts for returning cut-in method in the embodiment of the present invention more;
Fig. 2 is that VXLAN EVPN return mixing access schematic diagram of a scenario more in the embodiment of the present invention;
Fig. 3 is the schematic diagram for returning access scene to lead to BUM winding in the embodiment of the present invention VXLAN EVPN more;
Fig. 4 is to return mixing access scene in the embodiment of the present invention VXLAN EVPN more, and BUM messages are isolated between ESI member
Schematic diagram;
Fig. 5 is the EVPN RT-1 routed-format schematic diagrames with ESI labels in the embodiment of the present invention;
Fig. 6 is a kind of optionally VXLAN message format schematic diagrames with ESI labels in the embodiment of the present invention;
Fig. 7 is another optionally VXLAN message format schematic diagrames with ESI labels in the embodiment of the present invention;
Fig. 8 is the flow charts for returning PE to receive access effluent amount in the embodiment of the present invention more;
Fig. 9 is that the VXLAN EVPN based on ESI labels return access scene, the sides CE multicast traffic to turn more in the embodiment of the present invention
Send out effect diagram;
Figure 10 is the flow charts for returning PE to receive VXLAN network side flows in the embodiment of the present invention more;
Figure 11 is that the VXLAN EVPN based on ESI labels return access scene, network side Multicast Flows more in the embodiment of the present invention
Measure forwarding effect schematic diagram;
Figure 12 is a kind of structural schematic diagrams for returning access device in the embodiment of the present invention more.
Specific implementation mode
In order to solve the problems, such as multicast winding caused by more ownership accesses as defined in prior art RFC7432 agreements, Yi Jike
Take can not be supported caused by multicast isolation between ESI member belong to mixing access problems, the present invention provides one kind returning access more
Method, apparatus and more home nodes, below in conjunction with attached drawing and embodiment, the present invention will be described in further detail.It should
Understand, described herein specific examples are only used to explain the present invention, does not limit the present invention.
First embodiment of the invention provides one kind and returning cut-in method more, is used for more home nodes, the method includes:
S101, when unlocking default identification information in the network side message from any neighbor node received, according to
The identification information unlocked determines the too network segment identifier ESI corresponding with the identification information;
S102, in each interface of more home nodes, inquiry is corresponding with the ESI determined to return interface more;
S103 filters inquire more and returns interface, and the network side message is broadcasted to remaining interface.
For the embodiment of the present invention by unlocking identification information, inquiry corresponding with identification information return access side interface more;So
It filters return inquired more afterwards and accesses side interface (i.e. to return interface) more, the network side message is broadcasted to remaining interface, effectively
It solves the problems, such as multicast winding caused by more ownership accesses as defined in prior art RFC7432 agreements, and solves ESI member
Between can not support caused by multicast isolation to belong to mixing access problems more.
Furtherly, access side message encapsulation of the network side message by any neighbor node to access side device
It forms;The identification information is ESI labels.The embodiment of the present invention is by setting identification information to the form of label, Ke Yiyou
Effect saves identification information the space occupied when propagating, and can effectively reduce the implementation complexity of the present invention.
Wherein, described to broadcast the network side message to remaining interface, including:
Non-designated forwarding interface is filtered in remaining described interface, the network side message is wide to specified forwarding interface
It broadcasts.
By taking dual homed access in VXLAN environment as an example, the embodiment of the present invention is briefly explained, wherein PE belongs to dual-homed in this example
Node.
The embodiment of the present invention is implemented to access based on VXLAN redundancies first before implementation, including:
Step 1, PE dual homeds access side interface configures MC-LAG, and configures synchronization module and carry out active and standby information, status information
It is synchronous with forwarding table.
Step 2, singly return node (singly returning CE) to be directly accessed PE, can be linked into same PE, mix with dual homed node
Access.
Step 3, PE is accessed on the corresponding dual homed interface in side and is configured identical ESI and load sharing mode;Singly return access side
Interface need not configure ESI.
Step 4, VXLAN examples are configured, access side is single, and dual homed interface is tied in VXLAN examples;
Step 5, dual homed PE establishes EVPN neighbours, and the road of synchronous belt ESI using different loop-back address and remote equipment
By information;After far-end neighbor receives rear RT-2 routing iinformations, corresponding redundancy routing is formed.
5 steps based on above-mentioned completion, dual-homed PE realizes mixing access, and can carry out network side message and connect
Enter the forwarding of side message.
Inventor has found in the prior art, and when VXLAN data messages belong to BUM messages, the sides CE MC-LAG is using negative
Lotus shares mode, it is possible to VXLAN data messages is sent to Non-DF PE equipment, Non-DF PE are broadcasted to network side and reported
Text after corresponding DF PE equipment receives flow, since the encapsulation of VXLAN data messages does not have ESI labels, can not judge that message is
Come from that ESI, message can be broadcasted in domain, cause flow to be sent to original CE, lead to BUM message winding.
Although setting can return more in the prior art does not send BUM messages between PE, the BUM flows for making PE be received from the sides CE
It would not be sent toward other ESI neighbours, solve the problems, such as multicast winding.But in this way for returning under mixed configuration scene, can lead more
Cause, which is singly returned, can not a little receive multicast message.
Therefore it is based on above-mentioned discovery, the embodiment of the present invention to ESI by distributing ESI labels, and being transmitted by RT-1 should
Label;When neighbours issue multicast message, according to entrance side ESI information, corresponding ESI neighbor tables are inquired, and report in VXLAN
Neighbours' ESI labels are encapsulated in literary head, are sent to and are locally returned ESI neighbours more;Non-multi ownership neighbours do not encapsulate ESI labels and normally encapsulate
VXLAN hairs are sent.
After more ownership ESI neighbours receive multicast message, according to ESI labels, inquires local ESI mapping tables and filter corresponding
More home interfaces;Other more ownership accesses are according to ESI DF label forwardings, Non-DF filterings;Single normal forwarding of ownership access, from
And it effectively solves the above problems.
The embodiment of the present invention can also carry out load sharing forwarding for the sides CE and network side flow under normal circumstances,
Improve bandwidth availability ratio;In MC-LAG Member Link failures, return under PE member device fault conditions more, it can be to the sides CE and network
Effluent amount is protected, and the reliability of VXLAN networks is improved.
It should be noted that in the art belong to and return meaning identical more more, therefore in various embodiments of the present invention
In be described sometimes based upon more ownership, be described sometimes based upon return more.Simultaneously in order to distinguish access side interface, side will be accessed
Interface is divided into return more and accesses side interface and singly return access side interface, wherein return access side interface to be used for and return CE to connect more more, it is single
Return access side interface to be used for and singly CE is returned to connect.
On the basis of the above embodiments, it is further proposed that the variant embodiment of above-described embodiment, needs to illustrate herein
It is, in order to keep description brief, the difference with above-described embodiment only to be described in each variant embodiment.
In one embodiment of the invention, the determination too network segment identifier ESI corresponding with the identification information, packet
It includes:
According to the ESI mapping relations pre-established, too network segment identifier ESI corresponding with the ESI labels is determined.
Furtherly, for any neighbor node:
The ESI labels of the neighbor node are obtained from the first kind route-type that the neighbor node transmits;
According to the ESI labels of acquisition, ESI labels and the ESI mapping relations of ESI are pre-established.
Wherein, the format for carrying the EVPN RT-1 (first kind route-type) of ESI labels is as shown in Figure 4.The present invention is implemented
Example can transmit ESI labels by way of using extension in being route in RT-1.That is ESI labels are added to RT-1
In the extension of routing.
It should be noted that the mode of the ESI mapping relations pre-established in this more home node, with next reality
Applying neighbor node in example, to pre-establish the ESI labels identical as the mode principle of ESI mapping relations of ESI, therefore specific
It can be refering to next embodiment when realization.
In another embodiment of the present invention, the method further includes:
Return interface for any in more home nodes more:
The access interfaces returned between interface and a corresponding access side device are configured into corresponding ESI more, according to described
Corresponding ESI generates ESI labels;
The ESI labels are passed into each neighbor node with first kind route-type, so that each neighbor node pre-establishes
The ESI mapping relations of the ESI labels and ESI.
The ESI labels that the embodiment of the present invention is involved in are sent to neighbor node, and neighbor node can be made to establish ESI mappings
Table, wherein ESI mapping tables are for stating ESI labels and the mapping relations of ESI.
It is described that corresponding ESI is generated according to the corresponding ESI in a specific implementation mode of the embodiment of the present invention
Label, including:
According to the interception rule of setting, ESI labels are intercepted out from the corresponding ESI;Alternatively,
Corresponding ESI labels are set according to the corresponding ESI.
Furtherly, in all neighbor nodes of same more home nodes, an ESI label can only be mapped to one
ESI;
The ESI labels of the corresponding identical access side device of different more home nodes are identical or different.
That is, each ESI needs to map a corresponding ESI label;Wherein label generating method includes:It can be with
A part of information for intercepting ESI, can also be specified by configuring.
When generating ESI labels, following rule need to be followed:
In one node, ESI labels are corresponded with ESI;
Different PE ESI neighbor nodes may be the same or different identical ESI access points, ESI labels;
For single neighbor node in network, an ESI label can only be mapped to an ESI.
In the another embodiment of the embodiment of the present invention, the neighbor node includes ESI neighbor nodes and non-
ESI neighbor nodes;The method further includes:
When more home nodes receive the access side message of any access side device, determine and the access side message
It is corresponding to return the ESI that interface is configured more;
Determine ESI labels corresponding with the ESI configured;
Obtain information of neighbor nodes;
When E-Packeting to the ESI neighbor nodes, according to each ESI information of neighbor nodes by the access side message and
The corresponding ESI Tag Packagings are at corresponding network side message;
When E-Packeting to the non-ESI neighbor nodes, the access side is reported according to each non-ESI information of neighbor nodes
Text is packaged into corresponding network side message.
The specific embodiment of the invention is determined according to ESI and corresponding returns access more by the corresponding ESI of ESI tag queries
Side interface is returned access side interface accordingly so as to effectively filter more, is asked to solve technology to be solved by this invention
Topic.
That is, PE receives ESI access side BUM messages inquires corresponding ESI mapping tables, and root according to ESI information
According to ESI neighbor informations and ESI label informations, the VXLAN messages of different band ESI labels are encapsulated.
Specifically, when receiving ESI access side multicast messages, according to ESI information, corresponding ESI mapping tables is inquired, are obtained
The ESI label informations of ESI neighbor nodes;And to the neighbor node packaging belt with identical ESI information in the forwarding of VXLAN messages
The message of ESI labels.Non- ESI neighbours' point then encapsulates common VXLAN formats message.
Furtherly, the network side message is virtual expansible LAN VXLAN messages;The method further includes:
When packaged, the setting reserved word by ESI labels (ESI label) information solicitation in the VXLAN headings
Section, alternatively, ESI label informations to be filled in the privately owned field being arranged in the VXLAN messages.
That is, standard VXLAN messages are that band ESI labels do not belong to privately owned reality so needing new definition at present
It is existing, under type such as may be used and realize the VXLAN messages with ESI labels:
Mode 1:VXLAN has a lot of spare fields that can use before appearance in front, has been used if Fig. 6 in VXLAN
Reserved field fills out ESI label informations.
Mode 2:Define a kind of new Ethernet Tag, the ethertype values of referred to as ESI-Tag, ESI-Tag use privately owned
Definition value, such as 0x88e5, it is specific as shown in Figure 7.
Certainly may also use others ESI labels carrying scheme, this can according to the tenability of various hardware and
It is fixed.
Wherein, more home nodes are more home network lateral edges equipment;The neighbor node is neighbor networks side
Edge equipment;The access side device is more ownership customer side edge devices.More home nodes are more home network lateral edges
Equipment;The neighbor node is neighbor networks lateral edges equipment;The access side device is more ownership customer side edge devices;Institute
It states network side edge device and is related to data center's InterWorking Equipment, including data center switchboard and router.
In a specific implementation mode of the embodiment of the present invention, receives any access side in more home nodes and set
When standby access side message, determine the corresponding ESI for returning interface to be configured of the access side message more, including:
When more home nodes receive the access side message of any access side device, access side message is judged
Discharge pattern;
If access side message is unicast traffic, inquires and preset unicast forwarding table;When inquiring forwarding table, according to looking into
The forwarding table forwarding ask;When not inquiring forwarding table, then judge whether network domains open unknown broadcast;If opening, really
The fixed access side message is corresponding to return the ESI that interface is configured more;If not opening, the access side message is abandoned;
If access side message is multicast traffic, determine the corresponding ESI for returning interface to be configured of the access side message more.
In yet another embodiment of the present invention, the network side message is virtual expansible LAN VXLAN messages;
It is described to unlock default identification information from the network side message of any neighbor node received, including:
When receiving the VXLAN messages, the discharge pattern of the VXLAN messages is judged;
If the VXLAN messages are unicast traffics, inquire and preset unicast forwarding table;When inquiring forwarding table, according to looking into
The forwarding table ask forwards the VXLAN messages;When not inquiring forwarding table, then it is unknown wide to judge whether network domains open
It broadcasts;If opening, default identification information is unlocked from the network side message of any neighbor node received;If not opening,
Then abandon the network side message;
If the VXLAN messages are multicast traffics, unsealed from the network side message of any neighbor node received
Go out default identification information.
Below by taking dual homed PE as an example, according to the message that dual homed PE points are received from all directions, it is described in further detail.
As shown in figure 8, description receives the process flow of the sides CE (access side) message.
Step 1, dual homed PE receives the flow of the sides CE.
Step 2, first judge to be unicast traffic or multicast traffic.That is, when receiving the access side message, sentence
The discharge pattern of the disconnected access side message.Step 3 is executed if it is unicast traffic;If it is multicast traffic, step 7 is executed.
Step 3, if it is unicast traffic, unicast forwarding table is judged whether.
Step 4, it if inquiring unicast forwarding table, is forwarded according to forwarding table.
Step 5, if fruit does not inquire forwarding table, judge whether the domains VXLAN open unknown broadcast:If opened, hold
Row step 7, i.e., it is consistent with multicast message, broadcast replication flow is walked, when needing to send ESI neighbours, subsidiary ESI labels;
Step 6, if do not opened, dropping packets;
Step 7, judge to access whether side configures ESI.
Step 8, if being not configured, the broadcasting packet in the domains VXLAN;The message is common VXLAN message.
Step 9, if configuration, ESI label mapping tables are inquired according to the ESI of access side interface configuration.
Step 10, the broadcasting packet in the domains VXLAN:Wherein, it for ESI neighbor nodes, is marked according to the ESI in mapping table
Label, the VXLAN heads of packaging belt ESI labels;Other nodes encapsulate common VXLAN heads.
The forwarding effect that the flow is realized is as shown in Figure 9.
The embodiment of the invention also includes troubleshooting rules:
When MC-LAG member port down, the local and corresponding forwarding-table item in distal end is needed to delete;And if it is DF at
Member down, then re-electing for ESI DF can be carried out.
When one PE rack failure, far-end PE sensing neighbor DOWN can remove corresponding routing iinformation in batches, and if
It is DF member's failure, then re-electing for ESI DF can be carried out.
As shown in Figure 10, description receives the process flow of network side message.
Step 1, dual homed PE receives network side flow.
Step 2, judgement is unicast traffic or multicast traffic.
Step 3, if it is unicast traffic, unicast forwarding table is judged whether.
Step 4, and if it exists, forwarded according to forwarding table.
Step 5, if being not present, judge whether network domains open unknown broadcast.Step 6 is executed if not opening, if opening
Execute step 7, that is to say, that it is then consistent with multicast message, broadcast transmission flow is sidled in access, and need according to ESI labels
Corresponding outgoing interface filtering is carried out with DF labels.
Step 6, if not opening, the network side message is abandoned.
Step 7, judge VXLAN messages whether with ESI labels.
Step 8, if carrying ESI labels, toward access side interface broadcast in the domains VXLAN:Filtering ESI labels are corresponding to return more
Access port filters other and returns ESI Non-DF interfaces more.
Step 9, if not carrying ESI labels, toward access side interface broadcast in the domains VXLAN:Filtering returns ESI Non-DF
Interface.
The forwarding effect that the flow is realized is as shown in figure 11.
It should be noted that one of ordinary skill in the art will appreciate that realizing complete in the various embodiments described above method
Portion or part steps are can be completed by program to instruct related hardware, and the program can be stored in a computer can
It reads in storage medium, when which executes, includes the following steps:
When unlocking default identification information in the network side message from any neighbor node received, according to unlocking
Identification information, determine the too network segment identifier ESI corresponding with the identification information;
In each interface of more home nodes, inquiry is corresponding with the ESI determined to return interface more;
Filter inquire return interface, by the network side message to remaining interface broadcast.
As shown in figure 12, present invention further propose that a kind of returning access device more, more home nodes, described device packet are used for
It includes:
Module 1210 is unsealed, default mark is unlocked from the network side message of any neighbor node received for working as
When information, according to the identification information unlocked, the too network segment identifier ESI corresponding with the identification information is determined;
Enquiry module 1220 is used in each interface of more home nodes, and inquiry is corresponding with the ESI determined to return more
Interface;
Broadcast module 1240 returns interface more for filtering inquire, and the network side message is broadcasted to remaining interface.
The embodiment of the present invention is by unlocking identification information, according to the identification information unlocked, inquiry and identification information pair
That answers returns access side interface more;Then inquire are filtered more and return access side interface, the network side message is inquired to non-
Return access side interface broadcast, to efficiently solve as defined in prior art RFC7432 agreements caused by more ownership accesses
Multicast winding problem, and solve the problems, such as can not to support caused by multicast isolation between ESI member to belong to mixing accesses more.And
Load sharing forwarding can be carried out for the sides CE and network side flow, improve bandwidth availability ratio under normal circumstances;In MC-LAG
Member Link failure is returned under PE member device fault conditions more, can be protected to the sides CE and network side flow, is improved
The reliability of VXLAN networks.
In one embodiment of the invention, the network side message by any neighbor node to access side device
Access side message encapsulates;The identification information is ESI labels.
Furtherly, the determination too network segment identifier ESI corresponding with the identification information, including:
According to the ESI mapping relations pre-established, too network segment identifier ESI corresponding with the ESI labels is determined.
The embodiment of the present invention can also carry out load sharing forwarding for the sides CE and network side flow under normal circumstances,
Improve bandwidth availability ratio;In MC-LAG Member Link failures, return under PE member device fault conditions more, it can be to the sides CE and network
Effluent amount is protected, and the reliability of VXLAN networks is improved.
It should be noted that in the art belong to and return meaning identical more more, therefore in various embodiments of the present invention
In be described sometimes based upon more ownership, be described sometimes based upon return more.Simultaneously in order to distinguish access side interface, side will be accessed
Interface is divided into return more and accesses side interface and singly return access side interface, wherein return access side interface to be used for and return CE to connect more more, it is single
Return access side interface to be used for and singly CE is returned to connect.
In a specific implementation mode of the embodiment of the present invention, described device further includes:
ESI label mapping transfer modules, for returning interface for any in more home nodes more:
The access interfaces returned between interface and a corresponding access side device are configured into corresponding ESI more, according to described
Corresponding ESI generates ESI labels;
The ESI labels are passed into each neighbor node with first kind route-type, so that each neighbor node pre-establishes
The ESI mapping relations of the ESI labels and ESI.
Furtherly, described that corresponding ESI labels are generated according to the corresponding ESI, including:
According to the interception rule of setting, ESI labels are intercepted out from the corresponding ESI;Alternatively,
Corresponding ESI labels are set according to the corresponding ESI.
In another embodiment of the present invention, the neighbor node includes ESI neighbor nodes and non-ESI neighbor nodes;
Described device further includes:
Message package module, when access side message for receiving any access side device in more home nodes,
Determine the ESI that returns interface configured corresponding with the access side message more;
Determine ESI labels corresponding with the ESI configured;
Obtain information of neighbor nodes;
When E-Packeting to the ESI neighbor nodes, according to each ESI information of neighbor nodes by the access side message and
The corresponding ESI Tag Packagings are at corresponding network side message;
When E-Packeting to the non-ESI neighbor nodes, the access side is reported according to each non-ESI information of neighbor nodes
Text is packaged into corresponding network side message.
Furtherly, it when the access side message for receiving any access side device in more home nodes, determines
The access side message is corresponding to return the ESI that interface is configured more, including:
When more home nodes receive the access side message of any access side device, access side message is judged
Discharge pattern;
If access side message is unicast traffic, inquires and preset unicast forwarding table;When inquiring forwarding table, according to looking into
The forwarding table forwarding ask;When not inquiring forwarding table, then judge whether network domains open unknown broadcast;If opening, really
The fixed access side message is corresponding to return the ESI that interface is configured more;If not opening, the access side message is abandoned;
If access side message is multicast traffic, determine the corresponding ESI for returning interface to be configured of the access side message more.
Wherein, the network side message is virtual expansible LAN VXLAN messages;
The message package module is additionally operable to that when packaged, ESI label informations are filled in the VXLAN headings
Setting reserved field, alternatively, ESI label informations to be filled in the privately owned field being arranged in the VXLAN messages.
In yet another embodiment of the present invention, in all neighbor nodes of same more home nodes, an ESI mark
Label can only be mapped to an ESI;
The ESI labels of the corresponding identical access side device of different more home nodes are identical or different.
In yet another embodiment of the present invention, more home nodes are more home network lateral edges equipment;The neighbour
It is neighbor networks lateral edges equipment to occupy node;The access side device is more ownership customer side edge devices.
In yet another embodiment of the present invention, the broadcast module is additionally operable to filter non-finger in remaining described interface
Determine forwarding interface, the network side message is broadcasted to specified forwarding interface.
In yet another embodiment of the present invention, the network side message is virtual expansible LAN VXLAN messages;
It is described to unlock default identification information from the network side message of any neighbor node received, including:
When receiving the VXLAN messages, the discharge pattern of the VXLAN messages is judged;
If the VXLAN messages are unicast traffics, inquire and preset unicast forwarding table;When inquiring forwarding table, according to looking into
The forwarding table ask forwards the VXLAN messages;When not inquiring forwarding table, then it is unknown wide to judge whether network domains open
It broadcasts;If opening, default identification information is unlocked from the network side message of any neighbor node received;If not opening,
Then abandon the network side message;
If the VXLAN messages are multicast traffics, unsealed from the network side message of any neighbor node received
Go out default identification information.
Middle device is illustrated the present invention, which can specifically include with lower module:
MC-LAG modules:Redundancy reception and the forwarding of CE effluent amounts are carried out, the activestandby state between member synchronizes, local to forward
List item synchronizes.
VXLAN modules:Set up the switching domain of access side and network side.
EVPN BGP+ESI modules:DF is elected, and bgp neighbor list item transmits, and distal end forwarding table (including redundancy table) is set up.
ESI label mapping transfer modules:Generate corresponding ESI labels according to ESI, and ESI labels by EVPN with RT-
1 passes to far-end neighbor node, and the EVPN RT-1 routed-formats of subsidiary ESI labels are as shown in Figure 5.
ESI labels receive management module (unsealing module):After neighbours receive the EVPN RT-1 routings of subsidiary ESI labels,
ESI mapping tables are established, and corresponding query function is provided, are used to other modules.
Message ESI Tag Packagings module (i.e. message package module):PE receives ESI access side BUM messages, is believed according to ESI
Breath, inquires corresponding ESI mapping tables, and according to ESI neighbor informations and ESI label informations, encapsulate different band ESI labels
VXLAN messages.
ESI label packets processing module (including enquiry module and broadcast module):Receive the multicast report of distally ESI labels
Wen Shi, decapsulation obtain ESI labels, according to ESI labels, inquire corresponding ESI access ports, and identical according to filtering rule filtering
ESI interfaces, other access side interfaces normally forward.
Present invention further propose that a kind of more home nodes, more home nodes include described in above-mentioned any one return more
Access device.
The present invention also proposes a kind of more home nodes, including processor and storage device, is stored in the storage device
Multiple instruction returns cut-in method more to realize, the processor executes the multiple instruction to realize:
When unlocking default identification information in the network side message from any neighbor node received, according to unlocking
Identification information, determine the too network segment identifier ESI corresponding with the identification information;
In each interface of more home nodes, inquiry is corresponding with the ESI determined to return interface more;
Filter inquire return interface, by the network side message to remaining interface broadcast.
Furtherly, access side message encapsulation of the network side message by any neighbor node to access side device
It forms;The identification information is ESI labels.
In one embodiment of the invention, the determination too network segment identifier ESI corresponding with the identification information, packet
It includes:
According to the ESI mapping relations pre-established, too network segment identifier ESI corresponding with the ESI labels is determined.
The method further includes:
Return interface for any in more home nodes more:
The access interfaces returned between interface and a corresponding access side device are configured into corresponding ESI more, according to described
Corresponding ESI generates ESI labels;
The ESI labels are passed into each neighbor node with first kind route-type, so that each neighbor node pre-establishes
The ESI mapping relations of the ESI labels and ESI.
In another embodiment of the present invention, described that corresponding ESI labels are generated according to the corresponding ESI, including:
According to the interception rule of setting, ESI labels are intercepted out from the corresponding ESI;Alternatively,
Corresponding ESI labels are set according to the corresponding ESI.
In yet another embodiment of the present invention, the neighbor node includes ESI neighbor nodes and non-ESI neighbor nodes;
The method further includes:
When more home nodes receive the access side message of any access side device, determine and the access side message
It is corresponding to return the ESI that interface is configured more;
Determine ESI labels corresponding with the ESI configured;
Obtain information of neighbor nodes;
When E-Packeting to the ESI neighbor nodes, according to each ESI information of neighbor nodes by the access side message and
The corresponding ESI Tag Packagings are at corresponding network side message;
When E-Packeting to the non-ESI neighbor nodes, the access side is reported according to each non-ESI information of neighbor nodes
Text is packaged into corresponding network side message.
Furtherly, it when the access side message for receiving any access side device in more home nodes, determines
The access side message is corresponding to return the ESI that interface is configured more, including:
When more home nodes receive the access side message of any access side device, access side message is judged
Discharge pattern;
If access side message is unicast traffic, inquires and preset unicast forwarding table;When inquiring forwarding table, according to looking into
The forwarding table forwarding ask;When not inquiring forwarding table, then judge whether network domains open unknown broadcast;If opening, really
The fixed access side message is corresponding to return the ESI that interface is configured more;If not opening, the access side message is abandoned;
If access side message is multicast traffic, determine the corresponding ESI for returning interface to be configured of the access side message more.
Furtherly, the network side message is virtual expansible LAN VXLAN messages;The method further includes:
When packaged, ESI label informations are filled in into the setting reserved field in the VXLAN headings, alternatively, will
ESI label informations fill in the privately owned field being arranged in the VXLAN messages.
In yet another embodiment of the present invention, in all neighbor nodes of same more home nodes, an ESI mark
Label can only be mapped to an ESI;
The ESI labels of the corresponding identical access side device of different more home nodes are identical or different.
In yet another embodiment of the present invention, more home nodes are more home network lateral edges equipment;The neighbour
It is neighbor networks lateral edges equipment to occupy node;The access side device is more ownership customer side edge devices.
In yet another embodiment of the present invention, described to broadcast the network side message to remaining interface, including:
Non-designated forwarding interface is filtered in remaining described interface, the network side message is wide to specified forwarding interface
It broadcasts.
In yet another embodiment of the present invention, the network side message is virtual expansible LAN VXLAN messages;
It is described to unlock default identification information from the network side message of any neighbor node received, including:
When receiving the VXLAN messages, the discharge pattern of the VXLAN messages is judged;
If the VXLAN messages are unicast traffics, inquire and preset unicast forwarding table;When inquiring forwarding table, according to looking into
The forwarding table ask forwards the VXLAN messages;When not inquiring forwarding table, then it is unknown wide to judge whether network domains open
It broadcasts;If opening, default identification information is unlocked from the network side message of any neighbor node received;If not opening,
Then abandon the network side message;
If the VXLAN messages are multicast traffics, unsealed from the network side message of any neighbor node received
Go out default identification information.
More home nodes are by unlocking the identification information of ethernet segment identifier ESI in the present invention, according to what is unlocked
Identification information is inquired and corresponding with the access side device received returns access side interface more;Then return inquired is filtered to connect more
Enter side interface, the network side message is accessed into side interface broadcast more to non-return inquired.It efficiently solves in the prior art
Multicast winding problems caused by more ownership accesses, and solve and can not support belong to multicast isolation caused by between ESI member more
Mix access problem.And load sharing forwarding can be carried out for the sides CE and network side flow, improve band under normal circumstances
Wide utilization rate;In MC-LAG Member Link failures, return under PE member device fault conditions more, it can be to the sides CE and network side flow
It is protected, improves the reliability of VXLAN networks.
In conjunction with example disclosed herein description return cut-in method more, can be embodied directly in hardware, be executed by processor
Software module or the two combine.For example, one or more of functional block diagram functional block diagram shown in attached drawing and/or functional block
One and/or multiple combinations of figure, both can correspond to each software module of computer program flow, can also correspond to each
A hardware module.These software modules can correspond respectively to each step shown in the drawings.These hardware modules for example can profit
These software modules are cured with field programmable gate array (FPGA) and are realized.
Software module can be located at RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, post
The storage medium of storage, hard disk, mobile hard disk, CD-ROM or any other form known in the art.One kind can be deposited
Storage media lotus root is connected to processor, to enable a processor to from the read information, and can be written to the storage medium
Information;Or the storage medium can be the component part of processor.Pocessor and storage media can be located at special integrated electricity
Lu Zhong.The software module can store in a memory in the mobile terminal, can also be stored in the storage of pluggable mobile terminal
In card.For example, if mobile terminal is using the MEGA-SIM cards of larger capacity or the flash memory device of large capacity, the software
Module is storable in the flash memory device of the MEGA-SIM cards or large capacity.
One or more combinations of one or more of functional block diagram for attached drawing description and/or functional block diagram, can
To be embodied as general processor, digital signal processor (DSP), the application-specific integrated circuit for executing function described herein
(ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, point
It founds hardware component or it is arbitrary appropriately combined.For one or more of functional block diagram described in attached drawing and/or function
One or more combinations of block diagram, are also implemented as the combination of computer equipment, for example, DSP and microprocessor combine, are more
A microprocessor communicates the one or more microprocessors combined or any other this configuration with DSP.
Although This application describes the particular example of the present invention, those skilled in the art can not depart from the present invention generally
Variant of the invention is designed on the basis of thought.
Those skilled in the art are under the inspiration that the technology of the present invention is conceived, on the basis of not departing from the content of present invention, also
Various improvement can be made to the present invention, this still falls within the scope and spirit of the invention.
Claims (26)
1. a kind of returning cut-in method more, which is characterized in that more home nodes are used for, the method includes:
When unlocking default identification information in the network side message from any neighbor node received, according to the mark unlocked
Know information, determines the too network segment identifier ESI corresponding with the identification information;
In each interface of more home nodes, inquiry is corresponding with the ESI determined to return interface more;
Filter inquire return interface, by the network side message to remaining interface broadcast.
2. the method as described in claim 1, which is characterized in that the network side message is by any neighbor node to access
The access side message of side apparatus encapsulates;The identification information is ESI labels.
3. method as claimed in claim 2, which is characterized in that the determination too network segment mark corresponding with the identification information
ESI is accorded with, including:
According to the ESI mapping relations pre-established, too network segment identifier ESI corresponding with the ESI labels is determined.
4. method as claimed in claim 2, which is characterized in that the method further includes:
Return interface for any in more home nodes more:
The access interfaces returned between interface and a corresponding access side device are configured into corresponding ESI more, according to the correspondence
ESI generate ESI labels;
The ESI labels are passed into each neighbor node with first kind route-type so that each neighbor node pre-establish it is described
The ESI mapping relations of ESI labels and ESI.
5. method as claimed in claim 4, which is characterized in that described to generate corresponding ESI marks according to the corresponding ESI
Label, including:
According to the interception rule of setting, ESI labels are intercepted out from the corresponding ESI;Alternatively,
Corresponding ESI labels are set according to the corresponding ESI.
6. method as claimed in claim 4, which is characterized in that the neighbor node includes ESI neighbor nodes and non-ESI neighbours
Node;The method further includes:
When more home nodes receive the access side message of any access side device, determination is corresponding with the access side message
Return the ESI that interface is configured more;
Determine ESI labels corresponding with the ESI configured;
Obtain information of neighbor nodes;
When E-Packeting to the ESI neighbor nodes, according to each ESI information of neighbor nodes by the access side message and described
Corresponding ESI Tag Packagings are at corresponding network side message;
When E-Packeting to the non-ESI neighbor nodes, access side message is sealed according to each non-ESI information of neighbor nodes
Dress up corresponding network side message.
7. method as claimed in claim 6, which is characterized in that described to receive any access side in more home nodes and set
When standby access side message, determine the corresponding ESI for returning interface to be configured of the access side message more, including:
When more home nodes receive the access side message of any access side device, the stream of the access side message is judged
Measure type;
If access side message is unicast traffic, inquires and preset unicast forwarding table;When inquiring forwarding table, according to inquiring
Forwarding table forwarding;When not inquiring forwarding table, then judge whether network domains open unknown broadcast;If opening, it is determined that should
Access side message is corresponding to return the ESI that interface is configured more;If not opening, the access side message is abandoned;
If access side message is multicast traffic, determine the corresponding ESI for returning interface to be configured of the access side message more.
8. method as claimed in claim 6, which is characterized in that the network side message is virtual expansible LAN VXLAN
Message;The method further includes:
When packaged, ESI label informations are filled in into the setting reserved field in the VXLAN headings, alternatively, ESI is marked
The privately owned field that label information solicitation is arranged in the VXLAN messages.
9. method as claimed in claim 2, which is characterized in that in all neighbor nodes of same more home nodes, one
A ESI labels can only be mapped to an ESI;
The ESI labels of the corresponding identical access side device of different more home nodes are identical or different.
10. method as claimed in claim 2, which is characterized in that more home nodes are more home network lateral edges equipment;
The neighbor node is neighbor networks lateral edges equipment;The access side device is more ownership customer side edge devices.
11. method as described in claim 1, which is characterized in that it is described to broadcast the network side message to remaining interface,
Including:
Non-designated forwarding interface is filtered in remaining described interface, the network side message is broadcasted to specified forwarding interface.
12. the method as described in any one of claim 2-11, which is characterized in that the network side message is that can virtually expand
Open up LAN VXLAN messages;
It is described to unlock default identification information from the network side message of any neighbor node received, including:
When receiving the VXLAN messages, the discharge pattern of the VXLAN messages is judged;
If the VXLAN messages are unicast traffics, inquire and preset unicast forwarding table;When inquiring forwarding table, according to inquiring
Forwarding table forward the VXLAN messages;When not inquiring forwarding table, then judge whether network domains open unknown broadcast;If
It opens, then unlocks default identification information from the network side message of any neighbor node received;If not opening, abandon
The network side message;
If the VXLAN messages are multicast traffics, unlocked from the network side message of any neighbor node received pre-
If identification information.
13. a kind of returning access device more, which is characterized in that be used for more home nodes, described device includes:
Module is unsealed, for when unlocking default identification information in the network side message from any neighbor node received,
According to the identification information unlocked, the too network segment identifier ESI corresponding with the identification information is determined;
Enquiry module is used in each interface of more home nodes, and inquiry is corresponding with the ESI determined to return interface more;
Broadcast module returns interface more for filtering inquire, and the network side message is broadcasted to remaining interface.
14. device as claimed in claim 13, which is characterized in that the network side message is docked by any neighbor node
The access side message for entering side apparatus encapsulates;The identification information is ESI labels.
15. device as claimed in claim 14, which is characterized in that the determination too network segment mark corresponding with the identification information
Know symbol ESI, including:
According to the ESI mapping relations pre-established, too network segment identifier ESI corresponding with the ESI labels is determined.
16. device as claimed in claim 13, which is characterized in that described device further includes:
ESI label mapping transfer modules, for returning interface for any in more home nodes more:
The access interfaces returned between interface and a corresponding access side device are configured into corresponding ESI more, according to the correspondence
ESI generate ESI labels;
The ESI labels are passed into each neighbor node with first kind route-type so that each neighbor node pre-establish it is described
The ESI mapping relations of ESI labels and ESI.
17. device as claimed in claim 16, which is characterized in that described to generate corresponding ESI marks according to the corresponding ESI
Label, including:
According to the interception rule of setting, ESI labels are intercepted out from the corresponding ESI;Alternatively,
Corresponding ESI labels are set according to the corresponding ESI.
18. device as claimed in claim 16, which is characterized in that the neighbor node includes ESI neighbor nodes and non-ESI adjacent
Occupy node;Described device further includes:
Message package module when access side message for receiving any access side device in more home nodes, determines
The ESI that returns interface configured corresponding with the access side message more;
Determine ESI labels corresponding with the ESI configured;
Obtain information of neighbor nodes;
When E-Packeting to the ESI neighbor nodes, according to each ESI information of neighbor nodes by the access side message and described
Corresponding ESI Tag Packagings are at corresponding network side message;
When E-Packeting to the non-ESI neighbor nodes, access side message is sealed according to each non-ESI information of neighbor nodes
Dress up corresponding network side message.
19. device as claimed in claim 18, which is characterized in that described to receive any access side in more home nodes
When the access side message of equipment, determine the corresponding ESI for returning interface to be configured of the access side message more, including:
When more home nodes receive the access side message of any access side device, the stream of the access side message is judged
Measure type;
If access side message is unicast traffic, inquires and preset unicast forwarding table;When inquiring forwarding table, according to inquiring
Forwarding table forwarding;When not inquiring forwarding table, then judge whether network domains open unknown broadcast;If opening, it is determined that should
Access side message is corresponding to return the ESI that interface is configured more;If not opening, the access side message is abandoned;
If access side message is multicast traffic, determine the corresponding ESI for returning interface to be configured of the access side message more.
20. device as claimed in claim 18, which is characterized in that the network side message is virtual expansible LAN
VXLAN messages;
The message package module, is additionally operable to when packaged, and ESI label informations are filled in setting in the VXLAN headings
Reserved field is determined, alternatively, ESI label informations to be filled in the privately owned field being arranged in the VXLAN messages.
21. device as claimed in claim 14, which is characterized in that in all neighbor nodes of same more home nodes,
One ESI label can only be mapped to an ESI;
The ESI labels of the corresponding identical access side device of different more home nodes are identical or different.
22. device as claimed in claim 14, which is characterized in that more home nodes are that more home network lateral edges are set
It is standby;The neighbor node is neighbor networks lateral edges equipment;The access side device is more ownership customer side edge devices.
23. device as claimed in claim 13, which is characterized in that the broadcast module is additionally operable in remaining described interface
Non-designated forwarding interface is filtered, the network side message is broadcasted to specified forwarding interface.
24. the device as described in any one of claim 14-23, which is characterized in that the network side message is virtually may be used
Extend LAN VXLAN messages;
It is described to unlock default identification information from the network side message of any neighbor node received, including:
When receiving the VXLAN messages, the discharge pattern of the VXLAN messages is judged;
If the VXLAN messages are unicast traffics, inquire and preset unicast forwarding table;When inquiring forwarding table, according to inquiring
Forwarding table forward the VXLAN messages;When not inquiring forwarding table, then judge whether network domains open unknown broadcast;If
It opens, then unlocks default identification information from the network side message of any neighbor node received;If not opening, abandon
The network side message;
If the VXLAN messages are multicast traffics, unlocked from the network side message of any neighbor node received pre-
If identification information.
25. a kind of more home nodes, which is characterized in that more home nodes include such as any one of claim 13-24
Described device.
26. a kind of more home nodes, which is characterized in that more home nodes include processor and storage device, the storage
It is stored with multiple instruction in device and returns cut-in method more to realize, the processor executes the multiple instruction to realize:
When unlocking default identification information in the network side message from any neighbor node received, according to the mark unlocked
Know information, determines the too network segment identifier ESI corresponding with the identification information;
In each interface of more home nodes, inquiry is corresponding with the ESI determined to return interface more;
Filter inquire return interface, by the network side message to remaining interface broadcast.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216783.0A CN108696414A (en) | 2017-04-05 | 2017-04-05 | Return cut-in method, device and more home nodes more |
| PCT/CN2018/080903 WO2018184496A1 (en) | 2017-04-05 | 2018-03-28 | Multi-home access method, apparatus, and multi-home node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216783.0A CN108696414A (en) | 2017-04-05 | 2017-04-05 | Return cut-in method, device and more home nodes more |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108696414A true CN108696414A (en) | 2018-10-23 |
Family
ID=63712377
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| CN201710216783.0A Withdrawn CN108696414A (en) | 2017-04-05 | 2017-04-05 | Return cut-in method, device and more home nodes more |
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| CN (1) | CN108696414A (en) |
| WO (1) | WO2018184496A1 (en) |
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| US11870686B2 (en) | 2019-12-31 | 2024-01-09 | Huawei Technologies Co., Ltd. | Routing information processing method and apparatus |
| CN113438174B (en) * | 2021-06-15 | 2022-07-01 | 新华三技术有限公司 | Message forwarding method and device |
| CN113438174A (en) * | 2021-06-15 | 2021-09-24 | 新华三技术有限公司 | Message forwarding method and device |
| CN115118629A (en) * | 2022-07-05 | 2022-09-27 | 杭州云合智网技术有限公司 | VPWS multi-activity multi-homing business connectivity identification method |
| CN115174438A (en) * | 2022-07-05 | 2022-10-11 | 杭州云合智网技术有限公司 | VPWS dual-active dual-home business connectivity identification method |
| CN115118629B (en) * | 2022-07-05 | 2023-08-25 | 杭州云合智网技术有限公司 | Method for identifying service connectivity of VPWS multi-activity multi-homing |
| CN115174438B (en) * | 2022-07-05 | 2023-09-22 | 杭州云合智网技术有限公司 | Method for identifying service connectivity of VPWS dual-activity dual-homing |
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| Publication number | Publication date |
|---|---|
| WO2018184496A1 (en) | 2018-10-11 |
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