CN104333509B - Method for routing and device in a kind of HVPLS networks - Google Patents
Method for routing and device in a kind of HVPLS networks Download PDFInfo
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- CN104333509B CN104333509B CN201410616524.3A CN201410616524A CN104333509B CN 104333509 B CN104333509 B CN 104333509B CN 201410616524 A CN201410616524 A CN 201410616524A CN 104333509 B CN104333509 B CN 104333509B
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Abstract
Embodiments of the invention provide the method for routing and device in a kind of HVPLS networks, are related to the communications field, can effectively prevent HVPLS network failures, and influence quality of service.Scheme provided by the invention includes：Main SPE receives the HVPLS service broadcast formula messages of standby SPE transmissions by UNI, or/and, main SPE sends HVPLS service broadcast formula messages to the standby SPE, wherein, horizontal segmentation between UNI in same access ring, horizontal segmentation between network and network interface NNI in same access ring, same core converge horizontal segmentation between the NNI in ring.Method for routing and device in the HVPLS networks are used to E-Packet.
Description
Technical field
The present invention relates to the method for routing and device in the communications field, more particularly to a kind of HVPLS networks.
Background technology
HVPLS (Hierarchical Virtual Private LAN Service, stratification virtual special local area network industry
Business) network is a kind of to lead to multiple VPLS (Virtual Private LAN Service, VPLS) network
Cross and be layered the networking plan that the mode of connection is established, the router in HVPLS networks is real by PW (Pseudo Wire, pseudo-wire)
The now full connection between each router, the PW of router virtual interface include UNI and (User Network Interface, used
Family and network interface) and NNI (Network Network Interface, network and network interface).HVPLS networks include connecing
Enter ring and core convergence ring, the access ring includes UPE (User Provider Edge, user side Provider Edge road
By device), main SPE (Superstratum Provider Edge, edge router for upper layer service provider) and standby SPE, it is described
Core convergence ring include NPE (Network Provider Edge, network core service provider edge router), main SPE and
Standby SPE.
In the prior art, UPE is used for the HVPLS industry for receiving CE (Customer Edge, customer edge network equipment) transmissions
Business message, the UPE of the multiple access rings of main SPE connections, the HVPLS business that the UPE for receiving an access ring by a UNI is sent
Message, and the HVPLS service messages are sent to NPE and standby SPE by NNI, being sent by UNI to the UPE of another access ring should
HVPLS service messages.It should be noted that horizontal segmentation between NNI in access ring, water between the NNI in core convergence ring
Divide equally and cut, the HVPLS service messages received from NNI that are horizontally divided into are sent by UNI, the HVPLS received from UNI
Service message is sent by NNI.
Example, as shown in figure 1, HVPLS schematic network structures in the prior art, including NPE11, NPE12, master
SPE21, standby SPE22, UPE311, UPE312, UPE321 and UPE322；Wherein, NPE11, NPE12, main SPE21 and standby SPE22
Between HVPLS service messages received by NNI or send HVPLS service messages, main SPE21 and standby SPE22 are received by UNI
The HVPLS service messages that UPE311, UPE312, UPE321 or/and UPE322 are sent, main SPE21 and standby SPE22 by UNI to
UPE311, UPE312, UPE321 or/and UPE322 send HVPLS service messages, UPE311, UPE312, UPE321 and UPE322
The HVPLS service messages of main SPE21 or standby SPE22 transmissions are received by NNI, UPE311, UPE312, UPE321 and UPE322 lead to
Cross NNI and send HVPLS service messages to main SPE21 or standby SPE22, HVPLS industry is received by NNI between UPE311 and UPE312
Business message sends HVPLS service messages, passes through NNI between UPE321 and UPE322 and receives HVPLS service messages or transmission
HVPLS service messages.
But when HVPLS service messages are HVPLS service broadcast formula messages, the HVPLS service broadcast formulas message is broadcast
When message, multicast message or unknown unicast message, UPE is likely to be received the HVPLS service broadcast formula messages itself sent, causes
There is business cyclization in HVPLS networks, and when HVPLS service broadcast formula messages are more, the business cyclization that HVPLS networks occur may
Cause broadcast storm to cause HVPLS network failures, and influence quality of service.For example, when main SPE21 is received by UNI
The HVPLS service broadcast formula messages that UPE311 is sent, main SPE21 is sent by NNI to NPE11, NPE12 and standby SPE22 should
HVPLS service broadcast formula messages, standby SPE22 receive the HVPLS service broadcast formula messages of main SPE21 transmissions by NNI, then lead to
Cross UNI and send the HVPLS service broadcast formula messages to UPE311, therefore, it is wide that UPE311 receives the HVPLS business itself sent
Formula message is broadcast, causes business cyclic.
When HVPLS service messages are HVPLS business known unicast messages, during main SPE failures, because standby SPE is not recorded
Main SPE MAC (Media Access Control, medium education) address table, standby SPE is by broadcast mode to main SPE
All business of carrying are broadcasted in HVPLS networks, cause HVPLS networks broadcast storm occur, cause the event of HVPLS networks
Barrier, and influence quality of service.
Therefore, HVPLS network failures how are prevented, and it is a urgent problem to be solved to influence quality of service.
The content of the invention
Embodiments of the invention provide the method for routing and device in a kind of HVPLS networks, can effectively prevent HVPLS nets
Network failure, and influence quality of service.
To reach above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
A kind of first aspect, there is provided the method for routing access ring in stratification VPLS HVPLS networks
Including user side service provider edge router UPE, main edge router for upper layer service provider SPE and standby SPE, core is converged
Polycyclic includes network core service provider edge router NPE, the main SPE and the standby SPE, described applied to main SPE
Method includes：
The main SPE receives the HVPLS service broadcast formula messages of the standby SPE transmissions by user and network interface UNI,
Or/and the main SPE sends HVPLS service broadcast formula messages to the standby SPE；
Wherein, horizontal segmentation between the UNI in same access ring, network and network interface NNI in same access ring it
Between horizontal segmentation, horizontal segmentation between the NNI in same core convergence ring is described to be horizontally divided into the HVPLS received from NNI
Service broadcast formula message is sent by UNI, and the HVPLS service broadcast formula messages received from UNI are sent by NNI.
Second aspect, there is provided a kind of main edge router for upper layer service provider SPE, access ring carry including user side service
For business's edge router UPE, main edge router for upper layer service provider SPE and standby SPE, core convergence ring includes network core
Service provider edge router NPE, the main SPE and the standby SPE, including：
Receiving unit, the HVPLS industry of the standby SPE transmissions is received by user and network interface UNI for the main SPE
Business broadcast message,
Or/and transmitting element, send HVPLS service broadcast formula messages to the standby SPE for the main SPE；
Wherein, horizontal segmentation between the UNI in same access ring, network and network interface NNI in same access ring it
Between horizontal segmentation, horizontal segmentation between the NNI in same core convergence ring is described to be horizontally divided into the HVPLS received from NNI
Service broadcast formula message is sent by UNI, and the HVPLS service broadcast formula messages received from UNI are sent by NNI.
The third aspect, there is provided a kind of stratification VPLS HVPLS network systems, including：
User side service provider edge router UPE, main edge router for upper layer service provider SPE, standby SPE and net
Network kernel service Provider edge router NPE, access ring include the UPE, the main SPE and the standby SPE, core convergence
Ring includes the NPE, the main SPE and the standby SPE；
The UPE is used for the HVPLS service broadcast formula messages for receiving customer edge network equipment CE transmissions；
The UPE is additionally operable to the HVPLS service broadcast formulas for receiving the main SPE by network and network interface NNI and sending
Message sends HVPLS service broadcast formula messages to the main SPE；
The UPE is additionally operable to receive HVPLS service broadcast formula messages that the standby SPE sends or to described standby by NNI
SPE sends HVPLS service broadcast formula messages；
The main SPE is used for the HVPLS service broadcast formula reports for receiving the UPE by user and network interface UNI and sending
Text sends HVPLS service broadcast formula messages to the UPE；
The main SPE is additionally operable to receive the HVPLS service messages of the standby SPE transmissions by UNI or sent out to the standby SPE
Send HVPLS service messages；
The main SPE is additionally operable to receive HVPLS service broadcast formula messages that the NPE sends or to the NPE by NNI
Send HVPLS service broadcast formula messages；
The standby SPE is used to receive the HVPLS service broadcast formula messages of the UPE transmissions by UNI or sent out to the UPE
Send HVPLS service broadcast formula messages；
The standby SPE is additionally operable to receive the HVPLS service messages of the main SPE transmissions by NNI or sent out to the main SPE
Send HVPLS service messages；
The standby SPE is additionally operable to receive HVPLS service broadcast formula messages that the NPE sends or to the NPE by NNI
Send HVPLS service broadcast formula messages；
The NPE is used to receive the HVPLS service broadcast formula messages of the main SPE transmission or to the main SPE by NNI
Send HVPLS service broadcast formula messages；
The NPE is additionally operable to receive HVPLS service broadcast formula messages that the standby SPE sends or to described standby by NNI
SPE sends HVPLS service broadcast formula messages；
Wherein, horizontal segmentation between the UNI in same access ring, horizontal segmentation between the NNI in same access ring are described
It is horizontally divided into the HVPLS service broadcast formula messages received from NNI to send by UNI, the HVPLS business received from UNI
Broadcast message is sent by NNI.
Fourth aspect, there is provided the method for routing in a kind of stratification VPLS HVPLS networks, be applied to
Standby edge router for upper layer service provider SPE, including：
Receive the media access control MAC forward table information MFBM that main edge router for upper layer service provider SPE is sent
Service message, the MFBM service messages include the first MAC address forward table；
Address in first mac address forwarding table be recorded into the 4th mac address forwarding table；
When the main SPE failures, the HVPLS business of user side service provider edge router UPE transmissions has been received
Know unicast message, the HVPLS business known unicast message includes source MAC and target MAC (Media Access Control) address；
When in the 3rd mac address forwarding table be not present and the target MAC (Media Access Control) address identical MAC Address, the 4th MAC
Addresses forwarding table is identical with the target MAC (Media Access Control) address in the presence of the first MAC Address, according to interface, the tunnel of first MAC Address
The HVPLS business known unicast message is forwarded with pseudo-wire, the 3rd mac address forwarding table and the 4th MAC Address turn
Deliver the mac address forwarding table for the standby SPE storages.
5th aspect, there is provided the method for routing in a kind of stratification VPLS HVPLS networks, be applied to
Main edge router for upper layer service provider SPE, including：
Media access control MAC forward table information MFBM service messages are generated, the MFBM service messages include the first matchmaker
Body access control MAC addresses forwarding table, the MFBM service messages are used to interact described first between the main SPE and standby SPE
Address in mac address forwarding table；
The MFBM service messages are sent to the standby SPE.
6th aspect, there is provided a kind of standby edge router for upper layer service provider SPE, including：
Receiving unit, turn for receiving the media access control MAC that main edge router for upper layer service provider SPE is sent
Information MFBM service messages are delivered, the MFBM service messages include the first MAC address forward table；
Processing unit, for the address in first mac address forwarding table to recorded into the 4th mac address forwarding table；
The receiving unit is additionally operable to when the main SPE failures, receives user side service provider edge router UPE
The HVPLS business known unicast messages of transmission, the HVPLS business known unicast message is with including source MAC and purpose MAC
Location；
Transmitting element, it is not present for working as in the 3rd mac address forwarding table with the target MAC (Media Access Control) address identical MAC
Location, the 4th mac address forwarding table is identical with the target MAC (Media Access Control) address in the presence of the first MAC Address, according to the first MAC
Interface, tunnel and the pseudo-wire of address forward the HVPLS business known unicast message, the 3rd mac address forwarding table and institute
State mac address forwarding table of the 4th mac address forwarding table for the standby SPE storages.
7th aspect, there is provided a kind of main edge router for upper layer service provider SPE, including：
Processing unit, for generating media access control MAC forward table information MFBM service messages, the MFBM business report
Text includes the first MAC address forward table, and the MFBM service messages are used between the main SPE and standby SPE
Address in interaction first mac address forwarding table；
Transmitting element, for sending the MFBM service messages to the standby SPE.
Embodiments of the invention provide the method for routing and device in a kind of HVPLS networks.Main SPE is received standby by UNI
The HVPLS service broadcast formula messages that SPE is sent, or/and the main SPE send HVPLS service broadcast formula messages to standby SPE, wherein,
Horizontal segmentation between UNI in same access ring, horizontal segmentation between the NNI in same access ring, in same core convergence ring
NNI between horizontal segmentation, the HVPLS service broadcast formula messages received from NNI that are horizontally divided into are sent by UNI,
The HVPLS service broadcast formula messages received from UNI are sent by NNI, business occur so as to effectively overcome HVPLS networks
Cyclization, it is therefore prevented that when HVPLS service broadcast formula messages are more, broadcast storm caused by the business cyclization that HVPLS networks occur, draw
The HVPLS network failures risen, and influence quality of service.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of HVPLS schematic network structures that prior art provides；
Fig. 2 is the method for routing flow chart in a kind of HVPLS networks provided in an embodiment of the present invention；
Fig. 3 is a kind of HVPLS schematic network structures provided in an embodiment of the present invention；
Fig. 4 is the method for routing flow chart in another HVPLS networks provided in an embodiment of the present invention；
Fig. 5 is the method for routing flow chart in another HVPLS network provided in an embodiment of the present invention；
Fig. 6 is the method for routing flow chart in another HVPLS network provided in an embodiment of the present invention；
Fig. 7 is the method for routing flow chart in another another HVPLS network provided in an embodiment of the present invention；
Fig. 8 is a kind of main SPE structural representations provided in an embodiment of the present invention；
Fig. 9 is a kind of HVPLS network architectures schematic diagram provided in an embodiment of the present invention；
Figure 10 is a kind of standby SPE structural representations provided in an embodiment of the present invention；
Figure 11 is the main SPE structural representations of another kind provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The embodiment of the present invention provides the method for routing in a kind of stratification VPLS HVPLS networks, connects
Entering ring includes user side service provider edge router UPE, main edge router for upper layer service provider SPE and standby SPE, core
Heart convergence ring includes network core service provider edge router NPE, the main SPE and the standby SPE, applied to main SPE,
As shown in Fig. 2 methods described can include：
The HVPLS business that step 101, the main SPE receive the standby SPE transmissions by user and network interface UNI is wide
Formula message is broadcast, or/and, the main SPE sends HVPLS service broadcast formula messages to the standby SPE.
Wherein, horizontal segmentation between the UNI in same access ring, horizontal segmentation between the NNI in same access ring are same
Horizontal segmentation between NNI in core convergence ring, it is described to be horizontally divided into the HVPLS service broadcast formula messages received from NNI
Sent by UNI, the HVPLS service broadcast formula messages received from UNI are sent by NNI.
It should be noted that the HVPLS service broadcast formula messages of the UPE transmissions of an access ring are received by a UNI；
By another UNI, into another access ring, UPE sends the HVPLS service broadcasts formula message, in order to described another
UPE sends the HVPLS service broadcasts formula message to purpose user equipment in one access ring；
NPE in ring is converged to core by NNI and sends the HVPLS service broadcasts formula message, in order to which the core is converged
NPE sends the HVPLS service broadcasts formula message to the purpose user equipment in polycyclic.
So, main SPE receives the HVPLS service broadcast formula messages that standby SPE sends by UNI, or/and main SPE to
Standby SPE sends HVPLS service broadcast formula messages, wherein, horizontal segmentation between the UNI in same access ring, in same access ring
NNI between horizontal segmentation, horizontal segmentation between the NNI in same core convergence ring, so as to effectively overcome HVPLS networks
Appearance business cyclization, it is therefore prevented that wide caused by the business cyclization that HVPLS networks occur when HVPLS service broadcast formula messages are more
Storm, caused HVPLS network failures are broadcast, and influences quality of service.
Fig. 3 illustrates a kind of stratification VPLS HVPLS network structures, including：NPE11, NPE12, master
SPE21, standby SPE22, UPE311, UPE312, UPE321, UPE322, CE41, CE42, the first user equipment 51 and second user
Equipment 52.Core convergence ring includes NPE11, NPE12, main SPE21 and standby SPE22；First access ring include UPE311,
UPE312, main SPE21 and standby SPE22, the second access ring include UPE321, UPE322, main SPE21 and standby SPE22；CE41 with
UPE311 connections；CE42 is connected with UPE322；First user equipment 51 is connected with CE41；Second user equipment 52 and CE42 connects
Connect.
Wherein, NPE11 and main SPE21, the standby NNI that passes through between SPE22 and NPE12 receive HVPLS service messages or transmission
HVPLS service messages；NPE12 and main SPE21, the standby NNI that passes through between SPE22 and NPE11 receive HVPLS service messages or transmission
HVPLS service messages；Main SPE21 receives what standby SPE22, UPE311, UPE312, UPE321 or/and UPE322 were sent by UNI
HVPLS service messages, main SPE21 are sent by UNI to standby SPE22, UPE311, UPE312, UPE321 or/and UPE322
HVPLS service messages；Standby SPE22 receives the HVPLS service messages of main SPE21 transmissions by NNI or sent to main SPE21
HVPLS service messages, standby SPE22 receive the HVPLS industry of UPE311, UPE312, UPE321 or/and UPE322 transmission by UNI
Business message, standby SPE22 send HVPLS service messages by UNI to UPE311, UPE312, UPE321 or/and UPE322；
UPE311, UPE312, UPE321 and UPE322 receive the HVPLS service messages of main SPE21 or standby SPE22 transmissions by NNI,
UPE311, UPE312, UPE321 and UPE322 send HVPLS service messages by NNI to main SPE21 or/and standby SPE22.
It should be noted that wherein, horizontal segmentation between the UNI in same access ring, between the NNI in same access ring
Horizontal segmentation, same core converges horizontal segmentation between the NNI in ring, described to be horizontally divided into the HVPLS industry received from NNI
Business message is sent by UNI, and the HVPLS service messages received from UNI are sent by NNI.
The embodiment of the present invention provides the method for routing in a kind of stratification VPLS HVPLS networks, false
If applied to HVPLS networks as shown in Figure 3, as shown in figure 4, methods described can include：
Step 201, UPE311 broadcast HVPLS service broadcast formula messages.
First, the first user equipment sends HVPLS service broadcast formula messages to CE41, and CE41 sends HVPLS to UPE311
Service broadcast formula message；Then, UPE311 sends HVPLS service broadcast formula messages by NNI to UPE312；UPE311 passes through
NNI sends HVPLS service broadcast formula messages to main SPE21；UPE311 sends HVPLS service broadcast formulas by NNI to standby SPE22
Message.
HVPLS service broadcast formulas message includes source MAC, and the source MAC is the address of the first user equipment 51.
Step 202a, main SPE21 broadcast HVPLS service broadcast formula messages.
Main SPE21 receives the HVPLS service broadcast formula messages of UPE311 broadcast by UNI, and then, main SPE21 passes through NNI
HVPLS service broadcast formula messages are sent to NPE11 and NPE12；Main SPE21 sends HVPLS service broadcasts by UNI to UPE321
Formula message；Main SPE21 sends HVPLS service broadcast formula messages by UNI to UPE322.
Step 202b, standby SPE22 broadcast HVPLS service broadcast formula messages.
Standby SPE22 receives the HVPLS service broadcast formula messages of UPE311 broadcast by UNI, and then, standby SPE22 passes through NNI
HVPLS service broadcast formula messages are sent to NPE11 and NPE12；The HVPLS business that standby SPE22 is sent by UNI to UPE321 is wide
Broadcast formula message；The HVPLS service broadcast formula messages that standby SPE22 is sent by UNI to UPE322.
Step 202c, UPE312 receives the HVPLS service broadcast formula messages of UPE311 broadcast by NNI.
Step 203a, second user equipment receives the HVPLS service broadcast formula messages that main SPE21 is sent.
The HVPLS service broadcast formula messages that UPE321 is sent by NNI to UPE322, UPE322 are received by NNI
The HVPLS service broadcast formula messages that UPE321 is sent, CE42 receive the HVPLS service broadcast formula messages that UPE322 is sent, CE42
The HVPLS service broadcast formula messages sent to second user equipment.
Step 203b, second user equipment receives the HVPLS service broadcast formula messages that standby SPE22 is sent.
UPE322 receives the HVPLS service broadcast formula messages of standby SPE22 transmissions by NNI, and CE42 receives UPE322 hairs
The HVPLS service broadcast formula messages sent, the HVPLS service broadcast formula messages that CE42 is sent to second user equipment.
It should be noted that the HVPLS service broadcast formulas message described in the embodiment of the present invention is broadcasting packet, multicast message
Or unknown unicast message.
Method for routing in HVPLS networks provided in an embodiment of the present invention, main SPE receive what standby SPE was sent by UNI
HVPLS service broadcast formula messages, or/and the main SPE send HVPLS service broadcast formula messages to standby SPE, wherein, same access
Horizontal segmentation between UNI in ring, horizontal segmentation between the NNI in same access ring, between the NNI in same core convergence ring
Horizontal segmentation, the HVPLS service broadcast formula messages received from NNI that are horizontally divided into are sent by UNI, are received from UNI
To HVPLS service broadcast formula messages sent by NNI, so as to effectively overcome HVPLS networks occur business cyclization, prevent
When HVPLS service broadcast formula messages are more, broadcast storm caused by the business cyclization that HVPLS networks occur, caused HVPLS
Network failure, and influence quality of service.
The embodiment of the present invention provides the method for routing in a kind of stratification VPLS HVPLS networks, should
For standby edge router for upper layer service provider SPE, as shown in figure 5, including：
Step 301, the MFBM service messages that main SPE is sent are received, the MFBM service messages access including the first media
Control mac address forwarding table.
Step 302, the address in first mac address forwarding table be recorded into the 4th mac address forwarding table.
Step 303, when the main SPE failures, receive what user side service provider edge router UPE was sent
HVPLS business known unicast messages, the HVPLS business known unicast message include source MAC and target MAC (Media Access Control) address.
Step 304, when in the 3rd mac address forwarding table be not present and the target MAC (Media Access Control) address identical MAC Address, institute
It is identical with the target MAC (Media Access Control) address in the presence of the first MAC Address to state the 4th mac address forwarding table, according to first MAC Address
Interface, tunnel and pseudo-wire forward the HVPLS business known unicast message, the 3rd mac address forwarding table and the described 4th
The mac address forwarding table that mac address forwarding table stores for the standby SPE.
So, the MFBM service messages sent by receiving main SPE, by main SPE the first mac address forwarding table
In address recorded in the 4th mac address forwarding table, when in the 3rd mac address forwarding table be not present with the purpose MAC
Location identical MAC Address, it is identical with the target MAC (Media Access Control) address first MAC Address to be present in the 4th mac address forwarding table, root
The HVPLS business known unicast message is forwarded according to the interface, tunnel and pseudo-wire of first MAC Address, so as to effectively gram
Take HVPLS networks and broadcast storm occurred, caused HVPLS network failures, and influence quality of service.
The embodiment of the present invention provides the method for routing in a kind of stratification VPLS HVPLS networks, should
For main edge router for upper layer service provider SPE, as shown in fig. 6, including：
Step 401, generation media access control MAC forward table information MFBM service messages, the MFBM service messages bag
The first MAC address forward table is included, the MFBM service messages are used between the main SPE and standby SPE interact
Address in first mac address forwarding table.
Step 402, to the standby SPE send the MFBM service messages.
So, MFBM service messages are generated, the MFBM service messages include the first mac address forwarding table, Xiang Bei
SPE sends the MFBM service messages, in order to the MFBM service messages that standby SPE is sent by receiving main SPE, by main SPE
The first mac address forwarding table in address recorded in the 4th mac address forwarding table, when in the 3rd mac address forwarding table not
, can be from the 4th MAC during in the presence of target MAC (Media Access Control) address identical MAC Address with the HVPLS business known unicast messages received
The MAC of target MAC (Media Access Control) address identical the first for the HVPLS business known unicast messages for obtaining and receiving in addresses forwarding table
Location, the HVPLS business known unicast message is forwarded according to the interface, tunnel and pseudo-wire of first MAC Address, so as to effectively
Ground overcomes HVPLS networks and broadcast storm occurs, causes HVPLS network failures, and influences quality of service.
The embodiment of the present invention provides the method for routing in a kind of stratification VPLS HVPLS networks, false
If applied to HVPLS networks as shown in Figure 3, as shown in fig. 7, methods described includes：
Step 501, main SPE generation MAC forward table information MFBM service messages.
MFBM service messages include the first mac address forwarding table, and the MFBM service messages are used for the main SPE and standby SPE
Between address in interaction first mac address forwarding table, first mac address forwarding table is that the main SPE passes through
The generation of HVPLS business known unicasts message is practised, includes the address of the first user equipment.
Step 502, main SPE send MFBM service messages to standby SPE.
If it should be noted that the address in first mac address forwarding table updates, the MFBM business reports of renewal are generated
Text；The MFBM service messages of the renewal are sent to the standby SPE, the MFBM service messages of the renewal include the first of renewal
Mac address forwarding table.
Address in first mac address forwarding table recorded the 4th mac address forwarding table by step 503, standby SPE.
Standby SPE receives the MFBM service messages that main SPE is sent, and the MFBM service messages forward including the first MAC Address
Table, first mac address forwarding table are that the main SPE is generated by learning HVPLS business known unicasts message.
Present invention assumes that main SPE failures.
Step 504, standby SPE receive the HVPLS business known unicast messages that UPE is sent.
Dummy installation SPE receives the HVPLS business known unicast messages that UPE322 is sent.HVPLS business known unicast messages
Including source MAC and target MAC (Media Access Control) address, the source MAC is the address of second user equipment, target MAC (Media Access Control) address the
The address of one user equipment.
Step 505, interface, tunnel and puppet for SPE according to the address of the first user equipment in the 4th mac address forwarding table
Line forwards the HVPLS business known unicast message.
For the address in the SPE first target MAC (Media Access Control) address and the 3rd mac address forwarding table, when the 3rd MAC Address turns
It is not present in delivering and turns with the target MAC (Media Access Control) address identical MAC Address, the target MAC (Media Access Control) address and the 4th MAC Address
Address in delivering, if identical with the target MAC (Media Access Control) address in the presence of the address of the first user equipment, according to the first user equipment
Interface, tunnel and the pseudo-wire of address forward the HVPLS business known unicast message.
It should be noted that the 3rd mac address forwarding table and the 4th mac address forwarding table are the standby SPE
The mac address forwarding table of storage.The priority of 3rd mac address forwarding table is preferential higher than the 4th mac address forwarding table
Level, the 4th mac address forwarding table are the standby SPE by learning the generation of MFBM service messages, the 3rd MAC Address
Forward table is what the standby SPE was generated by learning HVPLS service messages.
So, the MFBM service messages sent by receiving main SPE, by main SPE the first mac address forwarding table
In address recorded in the 4th mac address forwarding table, when in the 3rd mac address forwarding table be not present with the purpose MAC
Location identical MAC Address, it is identical with the target MAC (Media Access Control) address first MAC Address to be present in the 4th mac address forwarding table, root
The HVPLS business known unicast message is forwarded according to the interface, tunnel and pseudo-wire of first MAC Address, so as to effectively gram
Take HVPLS networks and broadcast storm occurred, caused HVPLS network failures, and influence quality of service.
Further, the source MAC and the target MAC (Media Access Control) address be recorded into the 3rd mac address forwarding table；
Delete in the 4th mac address forwarding table with the first MAC Address described in the target MAC (Media Access Control) address identical.
It should be noted that the method for standby SPE and main SPE record MAC Address is same as the prior art, the present invention to this not
Repeat again.
The embodiment of the present invention provides a kind of main edge router for upper layer service provider SPE60, and access ring includes user side
Service provider edge router UPE, main edge router for upper layer service provider SPE and standby SPE, core convergence ring include net
Network kernel service Provider edge router NPE, the main SPE and the standby SPE, as shown in figure 8, including：
Receiving unit 601, receive what the standby SPE was sent by user and network interface UNI for the main SPE
HVPLS service broadcast formula messages,
Or/and transmitting element 602, send HVPLS service broadcast formula messages to the standby SPE for the main SPE；
Wherein, horizontal segmentation between the UNI in same access ring, network and network interface NNI in same access ring it
Between horizontal segmentation, horizontal segmentation between the NNI in same core convergence ring is described to be horizontally divided into the HVPLS received from NNI
Service broadcast formula message is sent by UNI, and the HVPLS service broadcast formula messages received from UNI are sent by NNI.
So, main SPE receives the HVPLS service broadcast formula messages that standby SPE sends by UNI, or/and, main SPE to
Standby SPE sends HVPLS service broadcast formula messages, wherein, horizontal segmentation between the UNI in same access ring, in same access ring
NNI between horizontal segmentation, horizontal segmentation between the NNI in same core convergence ring, so as to effectively overcome HVPLS networks
Appearance business cyclization, it is therefore prevented that wide caused by the business cyclization that HVPLS networks occur when HVPLS service broadcast formula messages are more
Storm, caused HVPLS network failures are broadcast, and influences quality of service.
The receiving unit 601 is additionally operable to the HVPLS service broadcast formulas for receiving the UPE of an access ring by a UNI and sending
Message；
The transmitting element 602 is additionally operable to by another UNI the UPE into another access ring, and to send the HVPLS business wide
Formula message is broadcast, in order to which the HVPLS service broadcasts formula message is sent to purpose user and set by UPE in another access ring
It is standby；
The transmitting element 602 is additionally operable to converge the NPE transmissions HVPLS service broadcasts formula in ring to core by NNI
Message, the HVPLS service broadcasts formula message is sent to the purpose user set in order to which the core converges NPE in ring
It is standby.
The embodiment of the present invention provides a kind of stratification VPLS HVPLS network systems 70, such as Fig. 9 institutes
Show, including：
It is user side service provider edge router UPE701, main edge router for upper layer service provider SPE702, standby
SPE703 and network core service provider edge router NPE704, access ring include the UPE701, the main SPE702
With the standby SPE703, core convergence ring includes the NPE704, the main SPE702 and the standby SPE703；
The UPE701 is used for the HVPLS service broadcast formula messages for receiving customer edge network equipment CE transmissions；
The UPE701 is additionally operable to the HVPLS service broadcasts for receiving the main SPE by network and network interface NNI and sending
Formula message sends HVPLS service broadcast formula messages to the main SPE；
The UPE701 is additionally operable to receive HVPLS service broadcast formula messages that the standby SPE sends or to described by NNI
Standby SPE sends HVPLS service broadcast formula messages；
The main SPE702 is used for the HVPLS service broadcast formulas for receiving the UPE by user and network interface UNI and sending
Message sends HVPLS service broadcast formula messages to the UPE；
The main SPE702 is additionally operable to receive HVPLS service messages that the standby SPE sends or to described standby by UNI
SPE sends HVPLS service messages；
The main SPE702 is additionally operable to receive HVPLS service broadcast formula messages that the NPE sends or to described by NNI
NPE sends HVPLS service broadcast formula messages；
The standby SPE703 is used to receive the HVPLS service broadcast formula messages of UPE transmission or to described by UNI
UPE sends HVPLS service broadcast formula messages；
The standby SPE703 is additionally operable to receive HVPLS service messages that the main SPE sends or to the master by NNI
SPE sends HVPLS service messages；
The standby SPE703 is additionally operable to receive HVPLS service broadcast formula messages that the NPE sends or to described by NNI
NPE sends HVPLS service broadcast formula messages；
The NPE704 is used to receive the HVPLS service broadcast formula messages of the main SPE transmission or to the master by NNI
SPE sends HVPLS service broadcast formula messages；
The NPE704 is additionally operable to receive HVPLS service broadcast formula messages that the standby SPE sends or to described by NNI
Standby SPE sends HVPLS service broadcast formula messages；
Wherein, horizontal segmentation between the UNI in same access ring, horizontal segmentation between the NNI in same access ring are described
It is horizontally divided into the HVPLS service broadcast formula messages received from NNI to send by UNI, the HVPLS business received from UNI
Broadcast message is sent by NNI.
The embodiment of the present invention provides a kind of standby edge router for upper layer service provider SPE80, as shown in Figure 10, including：
Receiving unit 801, the medium education sent for receiving main edge router for upper layer service provider SPE
MAC forward table information MFBM service messages, the MFBM service messages include the first MAC address forward table；
Processing unit 802, for the address in first mac address forwarding table to recorded into the forwarding of the 4th MAC Address
Table；
The receiving unit 801 is additionally operable to when the main SPE failures, receives user side service provider edge router
The HVPLS business known unicast messages that UPE is sent, the HVPLS business known unicast message include source MAC and purpose
MAC Address；
Transmitting element 803, for being not present in the 3rd mac address forwarding table and the target MAC (Media Access Control) address identical MAC
Address, the 4th mac address forwarding table is identical with the target MAC (Media Access Control) address in the presence of the first MAC Address, according to described first
The interface of MAC Address, tunnel and pseudo-wire forward the HVPLS business known unicast message, the 3rd mac address forwarding table and
The mac address forwarding table that 4th mac address forwarding table stores for the standby SPE.
So, the MFBM service messages sent by receiving main SPE, by main SPE the first mac address forwarding table
In address recorded in the 4th mac address forwarding table, when in the 3rd mac address forwarding table be not present with the purpose MAC
Location identical MAC Address, it is identical with the target MAC (Media Access Control) address first MAC Address to be present in the 4th mac address forwarding table, root
The HVPLS business known unicast message is forwarded according to the interface, tunnel and pseudo-wire of first MAC Address, so as to effectively gram
Take HVPLS networks and broadcast storm occurred, caused HVPLS network failures, and influence quality of service.
The processing unit 802 is additionally operable to：
The source MAC and the target MAC (Media Access Control) address be recorded into the 3rd mac address forwarding table；
Delete in the 4th mac address forwarding table with the first MAC Address described in the target MAC (Media Access Control) address identical.
It should be noted that the priority of the 3rd mac address forwarding table is preferential higher than the 4th mac address forwarding table
Level, the 4th mac address forwarding table are that the standby SPE is generated by learning the MFBM service messages that the main SPE is sent.
The embodiment of the present invention provides a kind of main edge router for upper layer service provider SPE90, as shown in figure 11, including：
Processing unit 901, for generating media access control MAC forward table information MFBM service messages, the MFBM industry
Business message includes the first MAC address forward table, and the MFBM service messages are used for the main SPE and standby SPE
Between address in interaction first mac address forwarding table；
Transmitting element 902, for sending the MFBM service messages to the standby SPE.
So, MFBM service messages are generated, the MFBM service messages include the first mac address forwarding table, Xiang Bei
SPE sends the MFBM service messages, in order to the MFBM service messages that standby SPE is sent by receiving main SPE, by main SPE
The first mac address forwarding table in address recorded in the 4th mac address forwarding table, when in the 3rd mac address forwarding table not
, can be from the 4th MAC during in the presence of target MAC (Media Access Control) address identical MAC Address with the HVPLS business known unicast messages received
The MAC of target MAC (Media Access Control) address identical the first for the HVPLS business known unicast messages for obtaining and receiving in addresses forwarding table
Location, the HVPLS business known unicast message is forwarded according to the interface, tunnel and pseudo-wire of first MAC Address, so as to effectively
Ground overcomes HVPLS networks and broadcast storm occurs, causes HVPLS network failures, and influences quality of service.
Further, the processing unit 901 is additionally operable to：
If the address renewal in first mac address forwarding table, generate the MFBM service messages of renewal；
The transmitting element 902 is additionally operable to：
The MFBM service messages of the renewal are sent to the standby SPE, the MFBM service messages of the renewal include renewal
The first mac address forwarding table.
It should be noted that the priority of first mac address forwarding table is preferential higher than the second mac address forwarding table
Level, second mac address forwarding table are that the main SPE is generated by learning the MFBM service messages that the standby SPE is sent.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description
With the specific work process of unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it can be passed through
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, only
Only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed
Mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical by some interfaces, device or unit
Letter connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That the independent physics of unit includes, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in a computer read/write memory medium, the program
Upon execution, the step of execution includes above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (12)
1. the method for routing in a kind of stratification VPLS HVPLS networks, it is characterised in that applied to standby upper
Layer service provider edge router SPE, including：
Receive the media access control MAC forward table information MFBM business that main edge router for upper layer service provider SPE is sent
Message, the MFBM service messages include the first MAC address forward table；
Address in first mac address forwarding table be recorded into the 4th mac address forwarding table；
When the main SPE failures, receive single known to the HVPLS business that user side service provider edge router UPE is sent
Text is reported, the HVPLS business known unicast message includes source MAC and target MAC (Media Access Control) address；
When in the 3rd mac address forwarding table be not present and the target MAC (Media Access Control) address identical MAC Address, the 4th MAC Address
Forward table is identical with the target MAC (Media Access Control) address in the presence of the first MAC Address, according to interface, tunnel and the puppet of first MAC Address
Line forwards the HVPLS business known unicast message, the 3rd mac address forwarding table and the 4th mac address forwarding table
For the mac address forwarding table of the standby SPE storages.
2. the method for routing in HVPLS networks according to claim 1, it is characterised in that described according to described first
After interface, tunnel and the pseudo-wire of MAC Address forward the HVPLS business known unicast message, methods described also includes：
The source MAC and the target MAC (Media Access Control) address be recorded into the 3rd mac address forwarding table；
Delete in the 4th mac address forwarding table with the first MAC Address described in the target MAC (Media Access Control) address identical.
3. the method for routing in HVPLS networks according to claim 2, it is characterised in that the 3rd MAC Address forwarding
The priority of table is higher than the priority of the 4th mac address forwarding table, and the 4th mac address forwarding table is that the standby SPE passes through
Learn the MFBM service messages generation that the main SPE is sent.
4. the method for routing in a kind of stratification VPLS HVPLS networks, it is characterised in that applied to Your Majesty
Layer service provider edge router SPE, including：
Media access control MAC forward table information MFBM service messages are generated, the MFBM service messages connect including the first media
Enter and control mac address forwarding table, the MFBM service messages are used between the main SPE and standby SPE with interacting the first MAC
Address in the forward table of location；
The MFBM service messages are sent to the standby SPE, make the standby SPE by the ground in first mac address forwarding table
Location recorded the 4th mac address forwarding table, and when the main SPE failures, the standby SPE forwards according to the 4th MAC Address
The HVPLS business known unicast messages that table forwarding user side service provider edge router UPE is sent.
5. the method for routing in HVPLS networks according to claim 4, it is characterised in that sent out described to the standby SPE
After sending the MFBM service messages, methods described also includes：
If the address renewal in first mac address forwarding table, generate the MFBM service messages of renewal；
Send the MFBM service messages of the renewal to the standby SPE, the MFBM service messages of the renewal include the of renewal
One mac address forwarding table.
6. the method for routing in HVPLS networks according to claim 5, it is characterised in that the first MAC Address forwarding
The priority of table is higher than the priority of the second mac address forwarding table, and second mac address forwarding table is that the main SPE passes through
Learn the MFBM service messages generation that the standby SPE is sent.
A kind of 7. standby edge router for upper layer service provider SPE, it is characterised in that including：
Receiving unit, the media access control MAC forward table sent for receiving main edge router for upper layer service provider SPE
Information MFBM service messages, the MFBM service messages include the first MAC address forward table；
Processing unit, for the address in first mac address forwarding table to recorded into the 4th mac address forwarding table；
The receiving unit is additionally operable to when the main SPE failures, is received user side service provider edge router UPE and is sent
HVPLS business known unicast messages, the HVPLS business known unicast message includes source MAC and target MAC (Media Access Control) address；
Transmitting element, for being not present in the 3rd mac address forwarding table and the target MAC (Media Access Control) address identical MAC Address, institute
It is identical with the target MAC (Media Access Control) address in the presence of the first MAC Address to state the 4th mac address forwarding table, according to first MAC Address
Interface, tunnel and pseudo-wire forward the HVPLS business known unicast message, the 3rd mac address forwarding table and the described 4th
The mac address forwarding table that mac address forwarding table stores for the standby SPE.
8. standby edge router for upper layer service provider SPE according to claim 7, it is characterised in that the processing is single
Member is additionally operable to：
The source MAC and the target MAC (Media Access Control) address be recorded into the 3rd mac address forwarding table；
Delete in the 4th mac address forwarding table with the first MAC Address described in the target MAC (Media Access Control) address identical.
9. standby edge router for upper layer service provider SPE according to claim 8, it is characterised in that the 3rd MAC
The priority of addresses forwarding table is higher than the priority of the 4th mac address forwarding table, and the 4th mac address forwarding table is described standby
What SPE was generated by learning the MFBM service messages that the main SPE is sent.
A kind of 10. main edge router for upper layer service provider SPE, it is characterised in that including：
Processing unit, for generating media access control MAC forward table information MFBM service messages, the MFBM service messages bag
The first MAC address forward table is included, the MFBM service messages are used between the main SPE and standby SPE interact
Address in first mac address forwarding table；
Transmitting element, for sending the MFBM service messages to the standby SPE, make the standby SPE by first MAC Address
Address in forward table recorded the 4th mac address forwarding table, and when the main SPE failures, the standby SPE is according to the described 4th
The HVPLS business known unicast messages that mac address forwarding table forwarding user side service provider edge router UPE is sent.
11. main edge router for upper layer service provider SPE according to claim 10, it is characterised in that
The processing unit is additionally operable to：
If the address renewal in first mac address forwarding table, generate the MFBM service messages of renewal；
The transmitting element is additionally operable to：
Send the MFBM service messages of the renewal to the standby SPE, the MFBM service messages of the renewal include the of renewal
One mac address forwarding table.
12. main edge router for upper layer service provider SPE according to claim 11, it is characterised in that described first
The priority of mac address forwarding table is higher than the priority of the second mac address forwarding table, and second mac address forwarding table is institute
State what main SPE generated by learning the MFBM service messages that the standby SPE is sent.
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| CN201410616524.3A CN104333509B (en) | 2014-11-05 | 2014-11-05 | Method for routing and device in a kind of HVPLS networks |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088415A (en) * | 2011-03-14 | 2011-06-08 | 杭州华三通信技术有限公司 | Method and device for MAC (media access control) address withdrawal |
| CN102143026A (en) * | 2011-04-29 | 2011-08-03 | 杭州华三通信技术有限公司 | Method for avoiding loop circuit in virtual layer 2 network |
| CN103259726A (en) * | 2012-02-21 | 2013-08-21 | 华为技术有限公司 | Method, device and system for storing and sending MAC address table entries |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8284656B2 (en) * | 2006-04-28 | 2012-10-09 | Alcatel Lucent | System and method for resilient VPLS over multi-nodal APS protected provider edge nodes |
| CN102142948A (en) * | 2010-02-02 | 2011-08-03 | 华为技术有限公司 | Data forwarding method, device and system |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088415A (en) * | 2011-03-14 | 2011-06-08 | 杭州华三通信技术有限公司 | Method and device for MAC (media access control) address withdrawal |
| CN102143026A (en) * | 2011-04-29 | 2011-08-03 | 杭州华三通信技术有限公司 | Method for avoiding loop circuit in virtual layer 2 network |
| CN103259726A (en) * | 2012-02-21 | 2013-08-21 | 华为技术有限公司 | Method, device and system for storing and sending MAC address table entries |
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