CN101795187A - Method, system and equipment for improving reliability of topologic network of central server - Google Patents
Method, system and equipment for improving reliability of topologic network of central server Download PDFInfo
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- CN101795187A CN101795187A CN201019185003A CN201019185003A CN101795187A CN 101795187 A CN101795187 A CN 101795187A CN 201019185003 A CN201019185003 A CN 201019185003A CN 201019185003 A CN201019185003 A CN 201019185003A CN 101795187 A CN101795187 A CN 101795187A
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Abstract
The invention discloses a method, a system and equipment for improving the reliability of a topologic network of a central server. In the Hub-Spoken network of a PBT network, each I-SID instance is configured with a plurality of Hub BEBs, and when the main Hub BEB is in an abnormal state, the standby Hub BEB continues to guarantee the communication of the Hub-Spoken network. Therefore, the reliability of the Hub-Spoken network of the PBT network is improved.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method, system and equipment that utilizes many HUB to realize the high reliability of PBT network.
Background technology
The Hub-Spoken networking mode is also referred to as the central server topologic network.Center Site (website) is called Hub-Site, and Hub-Site knows the address of all other Site in same VPN (Virtual Private Network, the VLAN) example; The Site that is not in the center is called Spoken-Site, and the flow of Spoken-Site arrives the destination by Hub-Site.Hub-Site is the maincenter node of Spoken-Site, and this networking extensively applies to bank, school, has fields such as the large enterprise of a plurality of branches, company.
The Hub-Spoken networking mode is used in PBT (Provider Backbone Bridge NetworkTraffic Engineering, provider backbone bridge) network widely at present.As shown in Figure 1, comprise a Hub CE, Hub BEB, an a plurality of Spoken BEB and a plurality of Spoken CE in the prior art in the Hub-Spoken networking in the PBT network.Wherein, in Hub BEB and Spoken BEB, be two MAC of each Hub-Spoken example allocation (Media Access Control, medium access control) table, i.e. Spoken side MAC table and Hub side MAC table.
Concrete, in conjunction with Hub-Spoken networking shown in Figure 1, on Spoken BEB, dispose:
I-sid 4532create // establishment Service Instance, assigned I-SID example, ID is 4532
The note of i-sid 4532name " h3c " // example
I-sid 4532b-vlan 300//be the BVLAN of Service Instance appointment skin encapsulation
HUB BEB opposite end BMAC under i-sid peer 00-00-00-01-01-01master-hub // assigned I-SID example
Dispose at HUB BEB:
I-sid 4532create // establishment Service Instance, assigned I-SID example, ID is 4532
The note of i-sid 4532name " h3c " // example
I-sid 4532b-vlan 300 // be the BVLAN of Service Instance appointment skin encapsulation
A PW opposite end BMAC under i-sid peer 00-00-00-02-01-01//assigned I-SID example
A PW opposite end BMAC under i-sid peer 00-00-00-03-01-01//assigned I-SID example
After above-mentioned configuration is finished, will set up on the Spoken BEB equipment and HUB BEB between PW connect.
The message that Spoken BEB1 receives from Spoken CE1, its target MAC (Media Access Control) address is full F, source MAC is MAC11.Spoken BEB1 carries out mac learning, and the source MAC that obtains this MAC is MAC11, stores this MAC Address into Spoken side MAC table, and this MAC Address is synchronized to HUB side MAC table.And the outgoing interface of configuration message is and HUB BEB corresponding port in Spoken side MAC table; The outgoing interface of configuration MAC11 correspondence is the port that is connected with Spoken CE1 in HUB side MAC table.The target MAC (Media Access Control) address that Spoken BEB1 searches this message is full F, and outgoing interface is and HUB BEB corresponding port, sends to HUB BEB by MinM (MAC in MAC) tunnel after encapsulating this message.
HUB BEB receives the message that Spoken BEB1 sends, and bullet falls behind the MinM tunnel head to carry out MAC in the Spoken side and search and learn.HUB BEB is MAC11 at the source MAC of Spoken side study message, stores this MAC Address into Spoken side MAC table, and this MAC Address is synchronized to HUB side MAC table.And the outgoing interface of configuration message is and HUB CE corresponding port in Spoken side MAC table, and the outgoing interface of configuration MAC11 correspondence is the port that is connected with Spoken BEB in HUB side MAC table.HUB BEB sends to HUB CE with message.
HUB CE is transmitted to HUB BEB after handling the message that receives again.
HUB BEB receives the message that send from the HUB side, does not carry out mac learning, because the target MAC (Media Access Control) address of message is full F, HUB BEB directly is broadcast to this message all Spoken BEB and Spoken CE.
Spoken BEB2 receives the message that HUB BEB send from the HUB side, does not carry out mac learning, searches the purpose MAC of message in HUB side MAC table, because the purpose MAC of message is full F, therefore, Spoken BEB2 is broadcast to Spoken CE2 with message.
After Spoken CE2 received the message of Spoken BEB2 transmission, the source MAC that learns this message was MAC11, the corresponding Spoken BEB2 of outgoing interface; Send response message by this outgoing interface to Spoken BEB2, the target MAC (Media Access Control) address of response message is that MAC11, source MAC are the MAC Address MAC21 of Spoken CE2.
Spoken BEB2 receives the response message that Spoken CE2 sends from the Spoken side, and the source MAC of study response message is MAC21, and response message is sent to HUB BEB.
HUB BEB receives the response message that Spoken BEB2 sends from the Spoken side, and the source MAC of study response message is MAC21, and message is forwarded to HUB CE.
HUB CE is transmitted to HUB BEB after handling the message that receives again.
HUB BEB receives the message that HUB CE sends from the HUB side joint, do not carry out mac learning, target MAC (Media Access Control) address according to response message is searched in HUB side MAC table, finds the port of outgoing interface for being connected with Spoken BEB1 of MAC11, sends response message by this port to Spoken BEB1.
Spoken BEB1 receives the message that HUB BEB sends from the HUB side joint, do not carry out mac learning, target MAC (Media Access Control) address according to message is searched in HUB side MAC table, obtains the port of the outgoing interface corresponding with MAC11 for being connected with Spoken CE1, and message is sent to Spoken CE1; Finish message process of transmitting and mac learning process on Spoken CE1, Spoken BEB1, HUB BEB, Spoken CE2 and the Spoken BEB2.
Hub-Spoken networking in the existing PBT network has only a HUB BEB, and all the other are Spoken BEB.Fault for HUB BEB itself is not accomplished any backup, in this central controlled network configuration, in case central apparatus especially HUB BEB equipment occurs unusual, HUBBEB is connected and will ruptures with PBT between each Spoken BEB so, MAC in the I-SID example can't carry out diffuse normal, whole HUB-Spoken network just paralyses, and just can't visit between the user in the I-SID example.
Summary of the invention
The invention provides a kind of method, system and equipment of the Hub-Spoken of raising networking reliability, improve the reliability of Hub-Spoken networking in the PBT network.
The invention provides a kind of method of the Hub-Spoken of raising networking reliability, be applied in the Hub-Spoken networking of provider backbone bridge PBT network, comprise Spoken BEB and Spoken CE in this Hub-Spoken networking, and Hub BEB and Hub CE, realize message interaction by Hub BEB and Hub CE between the different Spoken CE in the same I-SID example, comprise active and standby Hub BEB in each I-SID example in the described Hub-Spoken networking, Spoken BEB sets up virtual link PW respectively and between the active and standby Hub BEB in this example in each I-SID example, the identical active and standby Hub BEB of Spoken BEB configuration in the same I-SID example, this method further comprises:
Spoken BEB communicates by letter with main Hub BEB, and by and described main Hub BEB whether receive and dispatch the PW of detection messages between detecting mutually unusual;
When described main Hub BEB can't receive the detection messages of described Spoken BEB transmission in the given time, described main Hub BEB judged that the PW link is unusual, stops to send detection messages;
When described Spoken BEB can't receive the detection messages of described main Hub BEB transmission in the given time, the PW link between described Spoken BEB judgement and the described main Hub BEB was unusual, and switching to fully, Hub BEB communicates.
The identical active and standby Hub BEB of Spoken BEB configuration in the described same I-SID example comprises:
The medium access control MAC Address of the described active and standby Hub BEB that Spoken BEB configuration in the described same I-SID example is identical and the priority of MAC Address.
Described main Hub BEB judges that the PW link is unusual, after stopping to send detection messages, also comprises:
In Preset Time, can't receive the detection messages that described main Hub BEB sends with described Spoken BEB other Spoken BEB in same I-SID example, PW link between judgement and the described main Hub BEB is unusual, it is invalid that the MAC Address state of described main Hub BEB is set to, and switches to the identical Hub BEB of being equipped with described Spoken BEB and communicate.
Described Spoken BEB judge with described main Hub BEB between the PW link unusual, switch to and be equipped with after Hub BEB communicates, also comprise:
It is invalid that the MAC Address state of the described main Hub BEB of described Spoken BEB is set to;
Described Spoken BEB continues to send detection messages to described main Hub BEB, and whether the PW between detection and the described main Hub BEB is unusual;
Receive the detection messages response of described main Hub BEB transmission in Preset Time as described Spoken BEB after, the PW link between described Spoken BEB judgement and the described main Hub BEB is normal, and the MAC Address state of described main Hub BEB is set to effectively.
Described Spoken BEB judge with described main Hub BEB between the PW link unusual, switch to and be equipped with Hub BEB and communicate and comprise:
The state that described Spoken BEB searches storage is the highest MAC Address of MAC Address medium priority of effective Hub BEB, uses the encapsulation of this MAC Address and sends message, communicates with corresponding Hub BEB.
The invention provides a kind of system of the Hub-Spoken of raising networking reliability, be applied in the Hub-Spoken networking of provider backbone bridge PBT network, comprise Spoken BEB and Spoken CE in this Hub-Spoken networking, and Hub BEB and Hub CE, realize message interaction by Hub BEB and Hub CE between the different Spoken CE in the same I-SID example, comprise active and standby Hub BEB in each I-SID example in the described Hub-Spoken networking, Spoken BEB sets up virtual link PW respectively and between the active and standby Hub BEB in this example in each I-SID example, the identical active and standby Hub BEB of Spoken BEB configuration in the same I-SID example, wherein
Main Hub BEB is connected with described Spoken BEB, when being used for communicating by letter with described Spoken BEB, by and described Spoken BEB whether receive and dispatch the PW of detection messages between detecting mutually unusual; In the time can't receiving the detection messages that described Spoken BEB sends in the given time, judge that the PW link is unusual, stop to send detection messages;
Described Spoken BEB is connected with described main Hub BEB, be used for communicating by letter with described main Hub BEB, and by and described main Hub BEB whether receive and dispatch the PW of detection messages between detecting mutually unusual; In the time can't receiving the detection messages that described main Hub BEB sends in the given time, judge that the PW link is unusual, switching to fully, Hub BEB communicates.
Described Spoken BEB also is used for:
The medium access control MAC Address of the described active and standby Hub BEB identical and the priority of MAC Address with other Spoken BEB configurations in the same I-SID example.
Described Spoken BEB also is used for:
Judge with described main Hub BEB between the PW link unusual, switch to and be equipped with after Hub BEB communicates, it is invalid that the MAC Address state of described main Hub BEB is set to;
Continuation sends detection messages to described main Hub BEB, and whether the PW between detection and the described main Hub BEB is unusual;
After the detection messages response that receives described main Hub BEB transmission in Preset Time, the PW link between judgement and the described main Hub BEB is normal, and the MAC Address state of described main Hub BEB is set to effectively.
Described Spoken BEB also is used for:
The state of searching storage is the highest MAC Address of MAC Address medium priority of effective Hub BEB, uses the encapsulation of this MAC Address and sends message, communicates with corresponding Hub BEB.
The invention provides a kind of network equipment, be applied in the Hub-Spoken networking of provider backbone bridge PBT network, comprise Spoken BEB and Spoken CE in this Hub-Spoken networking, and Hub BEB and Hub CE, realize message interaction by Hub BEB and Hub CE between the different Spoken CE in the same I-SID example, comprise active and standby HubBEB in each I-SID example in the described Hub-Spoken networking, this equipment is as setting up virtual link PW respectively between the active and standby Hub BEB in Spoken BEB and the affiliated I-SID example, and with affiliated I-SID example in the identical active and standby Hub BEB of other Spoken BEB configuration, this equipment comprises:
Detecting unit, be used for sending detection messages and receiving the detection messages that described main Hub BEB sends to described main Hub BEB, if can't receive the detection messages that described main Hub BEB sends in the given time, the PW link between judgement and the described main Hub BEB is unusual;
Switch unit is connected with described detecting unit, be used for that described detecting unit detects and described main HubBEB between PW link when unusual, switching to fully, Hub BEB communicates.
Described detecting unit also is used for, and after described switch unit is carried out and switched, continues to send detection messages to described main Hub BEB, and whether the PW between detection and the described main Hub BEB is unusual;
This equipment also comprises:
The unit is set, is connected with described switch unit, after being used for described switch unit and switching to fully Hub BEB, it is invalid that the MAC Address state of described main Hub BEB is set to; Described detecting unit detect and described main Hub BEB between PW the MAC Address state of described main Hub BEB is re-set as effectively after normal.
Described switch unit also is used for:
The state of searching storage is the highest MAC Address of MAC Address medium priority of effective Hub BEB, uses the encapsulation of this MAC Address and sends message, communicates with corresponding Hub BEB.
Compared with prior art, the present invention has the following advantages at least:
Among the present invention, in the Hub-Spoken of PBT network networking, a plurality of Hub BEB of configuration in each I-SID example are when the master is unusual with Hub BEB, continue to guarantee the communication of Hub-Spoken networking by standby Hub BEB, thereby improved the reliability of the Hub-Spoken networking of PBT network.
Description of drawings
Fig. 1 is the Hub-Spoken networking mode schematic diagram in the PBT network in the prior art;
Fig. 2 is the schematic flow sheet of the method for raising Hub-Spoken networking reliability provided by the invention;
Fig. 3 is a Hub-Spoken networking structure schematic diagram provided by the invention;
Fig. 4 is a Hub BEB backup communication networking schematic diagram in the Hub-Spoken networking provided by the invention;
Fig. 5 is the schematic flow sheet of the method for the raising Hub-Spoken networking reliability that provides of application scenarios of the present invention;
Fig. 6 is another structural representation of Hub-Spoken networking provided by the invention.
Embodiment
Core concept of the present invention is: in the Hub-Spoken of PBT network networking, a plurality of Hub BEB of configuration carry out the message transmission in each I-SID example, improve the reliability of the Hub-Spoken networking of PBT network.
The invention provides a kind of method of the Hub-Spoken of raising networking reliability, be applied in the Hub-Spoken networking of provider backbone bridge PBT network, comprise Spoken BEB and Spoken CE in this Hub-Spoken networking, and Hub BEB and Hub CE, realize message interaction by Hub BEB and Hub CE between the different Spoken CE in the same I-SID example, comprise active and standby Hub BEB in each I-SID example in the described Hub-Spoken networking, Spoken BEB sets up virtual link PW respectively and between the active and standby Hub BEB in this example in each I-SID example, the identical active and standby Hub BEB of Spoken BEB configuration in the same I-SID example, as shown in Figure 2, this method further comprises:
Wherein, described main Hub BEB can be the Hub BEB of the current use of Spoken BEB, and described Hub BEB fully can not have the Hub BEB of use for this Spoken BEB is current.For example, can be used as Hub BEB fully before a Hub BEB is used by Spoken BEB, then become main Hub BEB after this Hub BEB is used, original main Hub BEB becomes Hub BEB fully.
Introduce the method for raising Hub-Spoken networking reliability provided by the invention in detail below in conjunction with concrete application scenarios.
The invention provides a kind of method of the Hub-Spoken of raising networking reliability, Hub-Spoken networking structure schematic diagram as shown in Figure 3, can dispose a plurality of Hub BEB in the wherein same I-SID example, shown in Figure 3 to be equipped with Hub BEB with a main Hub BEB and one be example, and each Hub BEB is connected with each Spoken BEB respectively.
Figure 4 shows that Hub BEB backup communication networking schematic diagram in the Hub-Spoken networking provided by the invention, in conjunction with shown in Figure 4, method provided by the invention may further comprise the steps as shown in Figure 5:
Concrete, being configured on Spoken BEB:
I-sid 4532create // establishment Service Instance, assigned I-SID example, ID is 4532
The note of i-sid 4532name " h3c " // example
I-sid 4532b-vlan 300 // be the BVLAN of Service Instance appointment skin encapsulation
A main HUB opposite end BMAC under i-sid peer 00-00-00-01-01-01master-hub // assigned I-SID example
A standby HUB opposite end BMAC under i-sid peer 00-00-00-04-01-01 slave-hub // assigned I-SID example
Being configured on Hub BEB:
I-sid 4532create // establishment Service Instance, assigned I-SID example, ID is 4532
The note of i-sid 4532name " h3c " // example
I-sid 4532b-vlan 300 // be the BVLAN of Service Instance appointment skin encapsulation
A PW opposite end BMAC under i-sid peer 00-00-00-02-01-01//assigned I-SID example
A PW opposite end BMAC under i-sid peer 00-00-00-03-01-01//assigned I-SID example
By above-mentioned configuration, storage main HUB opposite end BMAC and standby HUB opposite end BMAC on Spoken BEB, and the state that disposes these two BMAC addresses all is effective.
Should set up the PW link in advance between Spoken BEB and the Hub BEB with in the scene.After SpokenBEB1 receives the message of Spoken CE1 transmission, search the next-hop mac address of storage.
According to the configuration in the step 501, Spoken BEB1 gets access to the state of main HUB opposite end BMAC for effective, the message that Spoken BEB1 uses main HUB opposite end BMAC encapsulation Spoken CE1 to send, with the message after the encapsulation by and main Hub BEB between the PW link send.
In the application scenarios of the present invention, Spoken BEB and main Hub BEB are by whether transmitting-receiving CFD message detection PW link is unusual mutually.Concrete, if Spoken BEB or main HubBEB do not receive the CFD message that the opposite end sends in the given time, then Spoken BEB or main Hub BEB judge and the other side between the PW link unusual.
Other Spoken BEB in the step 504, Spoken BEB and identical I-SID example switch to standby Hub BEB and communicate.
Concrete, the state that Spoken BEB is provided with main HUB opposite end BMAC is invalid, using current state is effective standby HUB opposite end BMAC encapsulation subsequent packet, and the message after the encapsulation is sent to standby Hub BEB.
Main with Hub BEB detect with the PW link of Spoken BEB unusual after, stop all the other the Spoken BEB transmission CFD detection messages in this I-SID example.All the other SpokenBEB in this I-SID example can't receive main CFD detection messages with Hub BEB transmission between default, judgement and main unusual with the PW link between the Hub BEB, by with the identical mode of described Spoken BEB, switch to standby Hub BEB, communicate by standby Hub BEB.
Should be with in the scene, when main Hub BEB detect and Spoken BEB between the PW link normal after, the state of the main HUB of Spoken BEB opposite end BMAC is set to effectively; Main Hub BEB sends the CFD detection messages to all the other Spoken BEB, all the other Spoken BEB detect and main Hub BEB between the PW link normal, the state that main HUB opposite end BMAC is set is for effectively.
Should be with in the scene, detect the PW link of main Hub BEB correspondence normal after, Spoken BEB can be set according to actual needs switch to main Hub BEB immediately and communicate, perhaps and be equipped with PW link failure between the HubBEB after switch again.
Figure 6 shows that another concrete application scenarios of the method for raising Hub-Spoken networking reliability provided by the invention, wherein, comprise a plurality of Hub BEB (is example with 3) in the I-SID example of Spoken BEB1 and Spoken BEB2.At this moment, when Spoken BEB is disposed, the priority of the BMAC of a plurality of Hub BEB is set.For example, the BMAC priority that Hub BEB1 (main Hub BEB) is set is the highest, and priority value is 0; The BMAC priority of Hub BEB2 (the first standby Hub BEB) is taken second place, and priority value is 1; The BMAC priority of Hub BEB3 (the second standby Hub BEB) is minimum, and priority value is 2.Certainly, can also be in this networking by how standby Hub BEB, be that example describes with 2 standby Hub BEB among the present invention.
When Spoken BEB1 receives message, search the MAC address entries of storage, obtain the BMAC that next-hop mac address is Hub BEB1, send to Hub BEB1 after using this BMAC encapsulated message.
Spoken BEB1 and Hub BEB1 detect the PW Link State by receiving and dispatching the CFD message mutually.When detect the PW link unusual after, Spoken BEB1 searches the MAC address entries of storage, it is invalid that the BMAC state of Hub BEB1 is set to, and be to select the highest BMAC of priority between the BMAC of the BMAC of effective Hub BEB2 and HubBEB3 at state, should use the BMAC that selects Hub BEB2 in the scene, use the BMAC encapsulation subsequent packet of selecting, and the message after will encapsulating sends to Hub BEB2.At this moment, it is unusual that Hub BEB1 detects the PW link equally, stops to send the CFD detection messages to other Spoken BEB (Spoken BEB2), and other Spoken BEB switch to Hub BEB2 and communicate according to the Hub BEB configuration identical with Spoken BEB1.
After Spoken BEB1 carries out PW and switches, still detect the PW Link State by transmitting-receiving CFD message mutually with Hub BEB1, when detect this PW link-recovery normal after, the BMAC state of Spoken BEB1 HubBEB1 is set to effectively.
When Spoken BEB1 detect and Hub BEB2 between PW link when unusual, SpokenBEB1 searches state and the priority of the BMAC of storage, the BMAC state of knowing Hub BEB1 for effectively and priority the highest, switch back Hub BEB1 and communicate.In the application scenarios of the present invention, the transfer sequence between the Hub BEB can also be set according to actual needs, for example set in advance according to the number order of HubBEB and carry out switching, the present invention does not limit this.
By adopting method provided by the invention, in the Hub-Spoken of PBT network networking, the a plurality of Hub BEB of configuration in each I-SID example, when the master is unusual with Hub BEB, continue to guarantee the communication of Hub-Spoken networking by standby Hub BEB, thereby improved the reliability of the Hub-Spoken networking of PBT network.
The invention provides a kind of system of the Hub-Spoken of raising networking reliability, be applied in the Hub-Spoken networking of provider backbone bridge PBT network, comprise Spoken BEB and Spoken CE in this Hub-Spoken networking, and Hub BEB and Hub CE, realize message interaction by Hub BEB and Hub CE between the different Spoken CE in the same I-SID example, comprise active and standby Hub BEB in each I-SID example in the described Hub-Spoken networking, Spoken BEB sets up virtual link PW respectively and between the active and standby Hub BEB in this example in each I-SID example, the identical active and standby Hub BEB of Spoken BEB configuration in the same I-SID example, wherein
Main Hub BEB is connected with described Spoken BEB, when being used for communicating by letter with described Spoken BEB, by and described Spoken BEB whether receive and dispatch the PW of detection messages between detecting mutually unusual; In the time can't receiving the detection messages that described Spoken BEB sends in the given time, judge that the PW link is unusual, stop to send detection messages.
Described Spoken BEB is connected with described main Hub BEB, be used for communicating by letter with described main Hub BEB, and by and described main Hub BEB whether receive and dispatch the PW of detection messages between detecting mutually unusual; In the time can't receiving the detection messages that described main Hub BEB sends in the given time, judge that the PW link is unusual, switching to fully, Hub BEB communicates.When carrying out Hub BEB and switching, concrete, the state that described Spoken BEB searches storage is the MAC Address of the highest Hub BEB of effective priority, uses this MAC Address encapsulation and sends message, communicates with corresponding Hub BEB.
Described Spoken BEB also is used for: the medium access control MAC Address of the described active and standby Hub BEB identical with other Spoken BEB configurations in the same I-SID example and the priority of MAC Address.Switch to after all the other Hub BEB communicate, it is invalid that the MAC Address state that described Spoken BEB also is used for described Hub BEB is set to, and continue to send detection messages to described main Hub BEB, detect and described main Hub BEB between PW whether unusual; After the detection messages that receives described HubBEB transmission in Preset Time, the PW link between judgement and the described Hub BEB is normal, and the MAC Address state of described Hub BEB is set to effectively.
The invention provides a kind of network equipment, be applied in the Hub-Spoken networking of provider backbone bridge PBT network, comprise Spoken BEB and Spoken CE in this Hub-Spoken networking, and Hub BEB and Hub CE, realize message interaction by Hub BEB and Hub CE between the different Spoken CE in the same I-SID example, comprise active and standby HubBEB in each I-SID example in the described Hub-Spoken networking, this equipment is as setting up virtual link PW respectively between the active and standby Hub BEB in Spoken BEB and the affiliated I-SID example, and with affiliated I-SID example in the identical active and standby Hub BEB of other Spoken BEB configuration, this equipment comprises:
Detecting unit, be used for sending detection messages and receiving the detection messages that described main Hub BEB sends to described main Hub BEB, if can't receive the detection messages that described main Hub BEB sends in the given time, the PW link between judgement and the described main Hub BEB is unusual;
Switch unit is connected with described detecting unit, be used for that described detecting unit detects and described main HubBEB between PW link when unusual, switching to fully, Hub BEB communicates.
Described detecting unit also is used for, and after described switch unit is carried out and switched, continues to send detection messages to described main Hub BEB, and whether the PW between detection and the described main Hub BEB is unusual;
This equipment also comprises:
The unit is set, is connected with described switch unit, after being used for described switch unit and switching to fully Hub BEB, it is invalid that the MAC Address state of described main Hub BEB is set to; Described detecting unit detect and described main Hub BEB between PW the MAC Address state of described main Hub BEB is re-set as effectively after normal.
Described switch unit also is used for:
The state of searching storage is the highest MAC Address of MAC Address medium priority of effective Hub BEB, uses the encapsulation of this MAC Address and sends message, communicates with corresponding Hub BEB.
By adopting system provided by the invention and equipment, in the Hub-Spoken of PBT network networking, the a plurality of Hub BEB of configuration in each I-SID example, when the master is unusual with Hub BEB, continue to guarantee the communication of Hub-Spoken networking by standby HubBEB, thereby improved the reliability of the Hub-Spoken networking of PBT network.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (12)
1. method that improves Hub-Spoken networking reliability, be applied in the Hub-Spoken networking of provider backbone bridge PBT network, comprise Spoken BEB and SpokenCE in this Hub-Spoken networking, and Hub BEB and Hub CE, realize message interaction by Hub BEB and Hub CE between the different Spoken CE in the same I-SID example, it is characterized in that, comprise active and standby Hub BEB in each I-SID example in the described Hub-Spoken networking, Spoken BEB sets up virtual link PW respectively and between the active and standby Hub BEB in this example in each I-SID example, the identical active and standby Hub BEB of SpokenBEB configuration in the same I-SID example, this method further comprises:
Spoken BEB communicates by letter with main Hub BEB, and by and described main Hub BEB whether receive and dispatch the PW of detection messages between detecting mutually unusual;
When described main Hub BEB can't receive the detection messages of described Spoken BEB transmission in the given time, described main Hub BEB judged that the PW link is unusual, stops to send detection messages;
When described Spoken BEB can't receive the detection messages of described main Hub BEB transmission in the given time, the PW link between described Spoken BEB judgement and the described main Hub BEB was unusual, and switching to fully, Hub BEB communicates.
2. the method for claim 1 is characterized in that, the identical active and standby Hub BEB of SpokenBEB configuration in the described same I-SID example comprises:
The medium access control MAC Address of the described active and standby Hub BEB that Spoken BEB configuration in the described same I-SID example is identical and the priority of MAC Address.
3. method as claimed in claim 1 or 2 is characterized in that, described main Hub BEB judges that the PW link is unusual, after stopping to send detection messages, also comprises:
In Preset Time, can't receive the detection messages that described main Hub BEB sends with described Spoken BEB other Spoken BEB in same I-SID example, PW link between judgement and the described main Hub BEB is unusual, it is invalid that the MAC Address state of described main Hub BEB is set to, and switches to the identical Hub BEB of being equipped with described Spoken BEB and communicate.
4. method as claimed in claim 1 or 2 is characterized in that, described Spoken BEB judge with described main Hub BEB between the PW link unusual, switch to and be equipped with after Hub BEB communicates, also comprise:
It is invalid that the MAC Address state of the described main Hub BEB of described Spoken BEB is set to;
Described Spoken BEB continues to send detection messages to described main Hub BEB, and whether the PW between detection and the described main Hub BEB is unusual;
Receive the detection messages response of described main Hub BEB transmission in Preset Time as described Spoken BEB after, the PW link between described Spoken BEB judgement and the described main Hub BEB is normal, and the MAC Address state of described main Hub BEB is set to effectively.
5. method as claimed in claim 4 is characterized in that, described Spoken BEB judge with described main Hub BEB between the PW link unusual, switch to and be equipped with Hub BEB and communicate and comprise:
The state that described Spoken BEB searches storage is the highest MAC Address of MAC Address medium priority of effective Hub BEB, uses the encapsulation of this MAC Address and sends message, communicates with corresponding Hub BEB.
6. system that improves Hub-Spoken networking reliability, be applied in the Hub-Spoken networking of provider backbone bridge PBT network, comprise Spoken BEB and SpokenCE in this Hub-Spoken networking, and Hub BEB and Hub CE, realize message interaction by Hub BEB and Hub CE between the different Spoken CE in the same I-SID example, it is characterized in that, comprise active and standby Hub BEB in each I-SID example in the described Hub-Spoken networking, Spoken BEB sets up virtual link PW respectively and between the active and standby Hub BEB in this example in each I-SID example, the identical active and standby Hub BEB of SpokenBEB configuration in the same I-SID example, wherein
Main Hub BEB is connected with described Spoken BEB, when being used for communicating by letter with described Spoken BEB, by and described Spoken BEB whether receive and dispatch the PW of detection messages between detecting mutually unusual; In the time can't receiving the detection messages that described Spoken BEB sends in the given time, judge that the PW link is unusual, stop to send detection messages;
Described Spoken BEB is connected with described main Hub BEB, be used for communicating by letter with described main Hub BEB, and by and described main Hub BEB whether receive and dispatch the PW of detection messages between detecting mutually unusual; In the time can't receiving the detection messages that described main Hub BEB sends in the given time, judge that the PW link is unusual, switching to fully, Hub BEB communicates.
7. system as claimed in claim 6 is characterized in that, described Spoken BEB also is used for:
The medium access control MAC Address of the described active and standby Hub BEB identical and the priority of MAC Address with other Spoken BEB configurations in the same I-SID example.
8. as claim 6 or 7 described systems, it is characterized in that described Spoken BEB also is used for:
Judge with described main Hub BEB between the PW link unusual, switch to and be equipped with after Hub BEB communicates, it is invalid that the MAC Address state of described main Hub BEB is set to;
Continuation sends detection messages to described main Hub BEB, and whether the PW between detection and the described main Hub BEB is unusual;
After the detection messages response that receives described main Hub BEB transmission in Preset Time, the PW link between judgement and the described main Hub BEB is normal, and the MAC Address state of described main Hub BEB is set to effectively.
9. system as claimed in claim 8 is characterized in that, described Spoken BEB also is used for:
The state of searching storage is the highest MAC Address of MAC Address medium priority of effective Hub BEB, uses the encapsulation of this MAC Address and sends message, communicates with corresponding Hub BEB.
10. network equipment, be applied in the Hub-Spoken networking of provider backbone bridge PBT network, comprise Spoken BEB and Spoken CE in this Hub-Spoken networking, and Hub BEB and HubCE, realize message interaction by Hub BEB and Hub CE between the different Spoken CE in the same I-SID example, it is characterized in that, comprise active and standby Hub BEB in each I-SID example in the described Hub-Spoken networking, this equipment is as setting up virtual link PW respectively between the active and standby Hub BEB in Spoken BEB and the affiliated I-SID example, and with affiliated I-SID example in the identical active and standby Hub BEB of other Spoken BEB configuration, this equipment comprises:
Detecting unit, be used for sending detection messages and receiving the detection messages that described main Hub BEB sends to described main Hub BEB, if can't receive the detection messages that described main Hub BEB sends in the given time, the PW link between judgement and the described main Hub BEB is unusual;
Switch unit is connected with described detecting unit, be used for that described detecting unit detects and described main HubBEB between PW link when unusual, switching to fully, Hub BEB communicates.
11. equipment as claimed in claim 10 is characterized in that,
Described detecting unit also is used for, and after described switch unit is carried out and switched, continues to send detection messages to described main Hub BEB, and whether the PW between detection and the described main Hub BEB is unusual;
This equipment also comprises:
The unit is set, is connected with described switch unit, after being used for described switch unit and switching to fully Hub BEB, it is invalid that the MAC Address state of described main Hub BEB is set to; Described detecting unit detect and described main Hub BEB between PW the MAC Address state of described main Hub BEB is re-set as effectively after normal.
12. equipment as claimed in claim 10 is characterized in that, described switch unit also is used for:
The state of searching storage is the highest MAC Address of MAC Address medium priority of effective Hub BEB, uses the encapsulation of this MAC Address and sends message, communicates with corresponding Hub BEB.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201019185003A CN101795187A (en) | 2010-02-08 | 2010-02-08 | Method, system and equipment for improving reliability of topologic network of central server |
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| CN201019185003A CN101795187A (en) | 2010-02-08 | 2010-02-08 | Method, system and equipment for improving reliability of topologic network of central server |
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