CN103780485A - Neighbor relationship maintenance method and device - Google Patents
Neighbor relationship maintenance method and device Download PDFInfo
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- CN103780485A CN103780485A CN201410053704.5A CN201410053704A CN103780485A CN 103780485 A CN103780485 A CN 103780485A CN 201410053704 A CN201410053704 A CN 201410053704A CN 103780485 A CN103780485 A CN 103780485A
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Abstract
The invention discloses a neighbor relationship maintenance method and device. The method includes the steps that an NVE device determines the priorities of other NVE devices in a network; the NVE device determines that the NVE device itself is a main control NVE device or a member NVE device through the priorities of the other NVE devices and the priority of the NVE device itself; when the NVE device is the member NVE device, the member NVE device sends an ISIS Hello message to the main control NVE device so as to establish the ISIS neighbor relationship between the member NVE device and the main control NVE device; the member NVE device is forbidden to send the ISIS Hello message to the other member NVE devices so as to forbid the member NVE device to establish the ISIS neighbor relationship between the member NVE device and the other member NVE devices. Through the method, the phenomenon that all the NVE devices send a large number of ISIS Hello messages can be avoided, and CPU resources and the processing burden of the NVE devices are saved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of neighborhood maintaining method and equipment.
Background technology
In prior art, as shown in Figure 1, comprising multiple NVE(Network Virtual Edge, network virtualization edge) in the network of equipment, between all NVE equipment, all need to set up ISIS(Intermediate System to Intermediate System, Intermediate System-to-Intermediate System) neighborhood.
For example: between NVE equipment 1 and NVE equipment 2, pass through mutual ISIS hello packet, to set up ISIS neighborhood between NVE equipment 1 and NVE equipment 2; In addition, between NVE equipment 1 and NVE equipment 3, pass through mutual ISIS hello packet, to set up ISIS neighborhood between NVE equipment 1 and NVE equipment 3; In addition, between NVE equipment 2 and NVE equipment 3, pass through mutual ISIS hello packet, to set up ISIS neighborhood between NVE equipment 2 and NVE equipment 3.By that analogy, between all NVE equipment, all need to set up ISIS neighborhood, adopt the complete interconnected network structure shown in Fig. 1 to set up ISIS neighborhood.
In technique scheme, in the time setting up ISIS neighborhood, each NVE equipment all can send a large amount of ISIS hello packets, thus the CPU(Central Processing Unit of waste NVE equipment, central processing unit) resource, the processing load of increase NVE equipment.For example, NVE equipment 1 needs to send ISIS hello packet to NVE equipment 2-7 respectively, thereby can waste the cpu resource of NVE equipment 1, increases its processing load.
Summary of the invention
The embodiment of the present invention provides a kind of neighborhood maintaining method and equipment, to avoid each NVE equipment all to send a large amount of ISIS hello packets, saves cpu resource and the processing load of NVE equipment.
In order to achieve the above object, the embodiment of the present invention provides a kind of neighborhood maintaining method, be applied in the network that comprises multiple network virtualizations edge NVE equipment, in described multiple NVE equipment, only include a master control NVE equipment, NVE equipment outside described master control NVE equipment is member NVE equipment, and described method comprises: NVE equipment is determined the priority of other NVE equipment in described network;
Described in described NVE equipment utilization, the priority of other NVE equipment and the priority of this NVE equipment determine that this NVE equipment is master control NVE equipment or member NVE equipment in described network;
In the time that described NVE equipment is the member NVE equipment in described network, described member NVE equipment sends Intermediate System-to-Intermediate System ISIS hello packet to master control NVE equipment, to set up ISIS neighborhood between described member NVE equipment and described master control NVE equipment; Described member NVE equipment is forbidden sending ISIS hello packet to other member NVE equipment outside this member NVE equipment, to forbid setting up ISIS neighborhood between described member NVE equipment and described other member NVE equipment.
Described NVE equipment is determined the process of the priority of other NVE equipment in described network, specifically comprises: the IP address of the given server configuring on each this NVE of the NVE equipment utilization equipment in described network sends the priority of this NVE equipment to described given server; By described given server, the priority of the each NVE equipment in described network is notified to the each NVE equipment in described network;
Described NVE equipment receives the priority notice message from described given server, and the priority of carrying other NVE equipment in described network in described priority notice message.
Described in described NVE equipment utilization, the priority of other NVE equipment and the priority of this NVE equipment are determined this NVE equipment process for master control NVE equipment or member NVE equipment in described network, specifically comprise: in the time that the priority of described NVE equipment is better than the priority of described other NVE equipment, described NVE equipment determines that this NVE equipment is master control NVE equipment in described network; Or,
In the time that the priority of described other NVE equipment is better than the priority of described NVE equipment, described NVE equipment determines that this NVE equipment is member NVE equipment in described network; Or,
In the time that the priority of described NVE equipment is identical with the priority of described other NVE equipment, if the IP address of described NVE equipment is greater than the IP address of described other NVE equipment, described NVE equipment determines that this NVE equipment is master control NVE equipment in described network; Or,
In the time that the priority of described NVE equipment is identical with the priority of described other NVE equipment, if the IP address of described NVE equipment is less than the IP address of described other NVE equipment, described NVE equipment determines that this NVE equipment is member NVE equipment in described network.
After described in described NVE equipment utilization, the priority of other NVE equipment and the priority of this NVE equipment determine that this NVE equipment is master control NVE equipment or member NVE equipment in described network, described method further comprises: in the time that described NVE equipment is the master control NVE equipment in described network, described NVE equipment elects this NVE equipment as designated intermediate system DIS; In the time that described NVE equipment is the member NVE equipment in described network, described NVE equipment election master control NVE equipment is as DIS.
In the time that NVE equipment is the master control NVE equipment in described network, described method also comprises: described NVE equipment periodic sends complete serial number data protocol element CSNP, and in described CSNP, comprises the summary info of all Link State data protocol unit LSP in link-local slip condition database LSDB; Received after described CSNP the LSP comprising in the LSP comprising in more local LSDB and described CSNP by other NVE equipment; For the LSP having in described CSNP but do not have in local LSDB, by described other NVE equipment, to described NVE equipment transmitting portion serial number data protocol element PSNP, this PSNP is used for asking this LSP; For the LSP having in local LSDB but do not have in described CSNP, send this LSP by described other NVE equipment to described NVE equipment; Described NVE equipment, after the PSNP receiving from other NVE equipment, is inquired about the LSP of this PSNP request, and the LSP of this PSNP request is sent to described other NVE equipment in local LSDB; And/or described NVE equipment, after the LSP receiving from other NVE equipment, is stored this LSP in local LSDB.
The embodiment of the present invention provides a kind of network virtualization edge NVE equipment, be applied in the network that comprises multiple NVE equipment, in described multiple NVE equipment, only include a master control NVE equipment, the NVE equipment outside described master control NVE equipment is member NVE equipment, and described NVE equipment specifically comprises:
Study module, for determining the priority of other NVE equipment of described network;
Determination module, for utilizing the described priority of other NVE equipment and the priority of this NVE equipment to determine that this NVE equipment is master control NVE equipment or member NVE equipment at described network;
Maintenance module, while being used for the member NVE equipment that is described network at this NVE equipment, send Intermediate System-to-Intermediate System ISIS hello packet to master control NVE equipment, to set up ISIS neighborhood between described member NVE equipment and described master control NVE equipment; And, forbid that described member NVE equipment sends ISIS hello packet to other member NVE equipment outside this member NVE equipment, to forbid setting up ISIS neighborhood between described member NVE equipment and described other member NVE equipment.
Described study module, specifically for utilizing the IP address of the given server configuring on this NVE equipment to send the priority of this NVE equipment to described given server; By described given server, the priority of the each NVE equipment in described network is notified to the each NVE equipment in described network; And, receive the priority notice message from described given server, and notify message learning to notify the priority of other NVE equipment in the described network carrying message to described priority from described priority.
Described determination module, specifically in the time that the priority of this NVE equipment is better than the priority of other NVE equipment, determines that this NVE equipment is master control NVE equipment in network; Or, in the time that the priority of other NVE equipment is better than the priority of this NVE equipment, determine that this NVE equipment is member NVE equipment in network; Or, in the time that the priority of this NVE equipment is identical with the priority of other NVE equipment, if the IP address of this NVE equipment is greater than the IP address of described other NVE equipment, determine that this NVE equipment is master control NVE equipment in network; Or, in the time that the priority of this NVE equipment is identical with the priority of other NVE equipment, if the IP address of this NVE equipment is less than the IP address of described other NVE equipment, determine that this NVE equipment is member NVE equipment in network.
Also comprise: Link State data protocol unit LSP update module, during for the master control NVE equipment that is described network at this NVE equipment, elect this NVE equipment as designated intermediate system DIS; In the time that this NVE equipment is the member NVE equipment in described network, election master control NVE equipment is as DIS.
In the time that this NVE equipment is the master control NVE equipment in described network, described LSP update module, specifically for periodically sending complete serial number data protocol element CSNP, and in described CSNP, comprise the summary info of all LSP in link-local slip condition database LSDB; Received after described CSNP the LSP comprising in the LSP comprising in more local LSDB and described CSNP by other NVE equipment; For the LSP having in described CSNP but do not have in local LSDB, by described other NVE equipment, to described NVE equipment transmitting portion serial number data protocol element PSNP, this PSNP is used for asking this LSP; For the LSP having in local LSDB but do not have in described CSNP, send this LSP by described other NVE equipment to described NVE equipment; After the PSNP receiving from other NVE equipment, in local LSDB, inquire about the LSP of this PSNP request, and the LSP of PSNP request is sent to described other NVE equipment; And/or, after the LSP receiving from other NVE equipment, in local LSDB, store this LSP.
Compared with prior art, the embodiment of the present invention at least has the following advantages: in the embodiment of the present invention, each member NVE equipment can only send ISIS hello packet to master control NVE equipment, and between each member NVE equipment, do not need mutual ISIS hello packet, thereby can avoid each NVE equipment all to send a large amount of ISIS hello packets, save cpu resource and the processing load of NVE equipment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram based on complete interconnected cancellated ISIS neighborhood of setting up in prior art;
Fig. 2 is a kind of neighborhood maintaining method schematic flow sheet that the embodiment of the present invention provides;
Fig. 3 is the schematic diagram of the ISIS neighborhood based on star structure that provides in the embodiment of the present invention;
Fig. 4 is the structural representation of a kind of NVE equipment of providing of the embodiment of the present invention.
Embodiment
For problems of the prior art, the embodiment of the present invention provides a kind of neighborhood maintaining method, the method can be applied in the network that comprises multiple NVE equipment, and this NVE equipment refers to and is integrated with VEM(Virtual Ethernet Module, virtual ethernet module, is embedded in the virtual line card of Hypervisor) edge device.For example, this network is EVI(Ethernet Virtualization Interconnection, Ethernet is virtual interconnected) when network, this NVE equipment is specifically as follows the ED(Edge Device in EVI network, edge device), as shown in Figure 2, this neighborhood maintaining method specifically comprises the following steps:
Step 201, NVE equipment is determined the priority of other NVE equipment in network.
Step 202, the priority of other NVE equipment of NVE equipment utilization and the priority of this NVE equipment determine that this NVE equipment is master control NVE equipment or member NVE equipment in network.
In the embodiment of the present invention, the multiple NVE equipment that comprise for network, the plurality of NVE equipment comprises a master control NVE equipment, and NVE equipment outside master control NVE equipment is member NVE equipment.In order to elect master control NVE equipment and the member NVE equipment in network, need to give all NVE equipment configuration preference levels, this priority is for electing a NVE equipment as master control NVE equipment from all NVE equipment.Each NVE equipment is after configuration preference level, each NVE equipment, learning after the priority of other NVE equipment in network, can utilize the priority of other NVE equipment and the priority of this NVE equipment to determine that this NVE equipment is master control NVE equipment or member NVE equipment in network.
In a kind of preferred implementation of the embodiment of the present invention, NVE equipment is determined the process of the priority of other NVE equipment in network, specifically includes but not limited to following mode: the IP address of the given server configuring on each this NVE of the NVE equipment utilization equipment in network sends the priority of this NVE equipment to described given server.Given server is after collecting the priority of all NVE equipment in network, the priority of the each NVE equipment in network is notified respectively to each NVE equipment, wherein, given server can notify message that the priority of each NVE equipment is notified respectively to each NVE equipment by priority.Afterwards, each NVE equipment receives the priority notice message from given server, and the priority of carrying other NVE equipment in network in described priority notice message.Based on this priority notice message, each NVE equipment can be notified the priority of message learning to other NVE equipment from priority.
Concrete, in embodiments of the present invention, first on each NVE equipment, configuring the IP address of given server, this given server can be any one the NVE equipment in network, as chooses a best NVE equipment of performance as given server; This given server can also be other server in network, to repeating no more in this embodiment of the present invention.Afterwards, the IP address of the given server configuring on each this NVE of the NVE equipment utilization equipment in network sends logon message to given server, and in this logon message, carries the priority of this NVE equipment.Afterwards, the priority of all NVE equipment in given server collection network, and the priority of all NVE equipment is returned to respectively to each NVE equipment.Afterwards, the information learning that each NVE equipment can return from given server is to the priority of other NVE equipment.
For each NVE equipment, in a kind of specific implementation, this NVE equipment is determined this NVE equipment process for master control NVE equipment or member NVE equipment in network, specifically comprises:
Situation one, in the time that the priority of this NVE equipment is better than the priority of other NVE equipment, this NVE equipment determine this NVE equipment in network for master control NVE equipment.
Concrete, in the time that the priority of this NVE equipment is better than the priority of other all NVE equipment in network, this NVE equipment determines that this NVE equipment is master control NVE equipment in network.
Situation two, in the time that the priority of other NVE equipment is better than the priority of this NVE equipment, this NVE equipment determine this NVE equipment in network for member NVE equipment.
Concrete, as long as while having the priority of any one other NVE equipment to be better than the priority of this NVE equipment in network, this NVE equipment determines that this NVE equipment is member NVE equipment in network.
Situation three, in the time that the priority of NVE equipment is identical with the priority of other NVE equipment, NVE equipment further utilize the IP address of this NVE equipment and the IP address of this other NVE equipment determine this NVE equipment in network for master control NVE equipment or member NVE equipment.For example, in the time that the IP address of this NVE equipment is greater than the IP address of other NVE equipment, NVE equipment determines that this NVE equipment is master control NVE equipment in network; In the time that the IP address of NVE equipment is less than the IP address of other NVE equipment, NVE equipment determines that this NVE equipment is member NVE equipment in network.Or in the time that the IP address of this NVE equipment is less than the IP address of other NVE equipment, NVE equipment determines that this NVE equipment is master control NVE equipment in network; In the time that the IP address of NVE equipment is greater than the IP address of other NVE equipment, NVE equipment determines that this NVE equipment is member NVE equipment in network.
Concrete, when this NVE equipment has optimum priority in network, and while having other NVE equipment to have identical priority with this NVE equipment, NVE equipment further utilizes the IP address of this NVE equipment and the IP address of this other NVE equipment to determine that this NVE equipment is master control NVE equipment or member NVE equipment in network.For example, in the time that the IP address of this NVE equipment is greater than the IP address of other NVE equipment, NVE equipment determines that this NVE equipment is master control NVE equipment in network.
Application scenarios schematic diagram take Fig. 3 as the embodiment of the present invention, network comprises NVE equipment 1-NVE equipment 7, and the priority of supposing NVE equipment 1 and NVE equipment 2 is that the priority of 1, NVE equipment 3 and NVE equipment 4 is 2, the priority of NVE equipment 5 and NVE equipment 6 is that the priority of 3, NVE equipment 7 is 4.Under above-mentioned application scenarios, for NVE equipment 1-NVE equipment 6, the priority that defines other NVE equipment is better than to the priority of this NVE equipment, determine that this NVE equipment is member NVE equipment in network; For NVE equipment 7, the priority of determining this NVE equipment is better than to the priority of other NVE equipment, determine that this NVE equipment is master control NVE equipment in network.
Step 203, in the time that NVE equipment is member NVE equipment, member NVE equipment sends ISIS hello packet to master control NVE equipment, to set up ISIS neighborhood between member NVE equipment and master control NVE equipment; Member NVE equipment is forbidden sending ISIS hello packet to other member NVE equipment, to forbid setting up ISIS neighborhood between member NVE equipment and other member NVE equipment.
As shown in Figure 3,1 permission of NVE equipment sends ISIS hello packet to NVE equipment 7, to set up ISIS neighborhood between NVE equipment 1 and NVE equipment 7, but NVE equipment 1 is forbidden sending ISIS hello packet to NVE equipment 2-NVE equipment 6, to forbid setting up ISIS neighborhood between NVE equipment 1 and other member NVE equipment.In like manner, NVE equipment 2-NVE equipment 6 also only allows to send ISIS hello packet to NVE equipment 7, and forbids sending ISIS hello packet to other member NVE equipment.In addition, NVE equipment 7 can with NVE equipment 1-NVE equipment 6 in the mutual ISIS hello packet of any NVE equipment, to set up ISIS neighborhood with corresponding NVE equipment.
Based on above-mentioned processing, each member NVE equipment can only send ISISHello message to master control NVE equipment, and between each member NVE equipment, do not need mutual ISIS hello packet, thereby can avoid each NVE equipment all to send a large amount of ISIS hello packets, save cpu resource and the processing load of NVE equipment.After above-mentioned processing, by the ISIS neighborhood forming based on star structure, as shown in Figure 3, now, NVE equipment 7 is set up ISIS neighborhood with NVE equipment 1-NVE equipment 6 respectively, and does not need to set up ISIS neighborhood between NVE equipment 1-NVE equipment 6.
In the embodiment of the present invention, because NVE equipment 7 will be set up ISIS neighborhood with NVE equipment 1-NVE equipment 6 respectively, and between NVE equipment 1-NVE equipment 6, do not need to set up ISIS neighborhood, and LSP(Link State Protocol Data Unit, Link State data protocol unit, for describing the message unit of link-state information) diffusion carry out based on ISIS neighborhood.Therefore,, in the time that NVE equipment is the master control NVE equipment in network, this NVE equipment need to be elected this NVE equipment as DIS(Designated Intermediate System, designated intermediate system); In the time that NVE equipment is the member NVE equipment in network, this NVE equipment need to elect master control NVE equipment in network as DIS.
For example, NVE equipment 7 this NVE of election equipment 7 are as DIS, NVE equipment 1-NVE equipment 6 elects respectively NVE equipment 7 as DIS, and NVE equipment 1-NVE equipment 6 is the link of ISIS broadcast type with the link of NVE equipment 7 separately, elects NVE equipment 7 for DIS on each link.
Based on the election of above-mentioned DIS, in the time that NVE equipment (NVE equipment 7) is the master control NVE equipment in network, NVE equipment 7 periodically sends CSNP(Complete Sequence Numbers Protocol Data Unit, complete sequence number protocol element), in this CSNP, comprise local LSDB(Link State Data Base, LSD) in all LSP summary info (as sender, sequence number, verification and, residue time limit etc., this CSNP is used for guaranteeing that on link, all LSDB are consistent).
Other NVE equipment (as NVE equipment 1-NVE equipment 6, follow-up take NVE equipment 1 as example) is being received after this CSNP, the LSP comprising in the LSP relatively comprising in NVE equipment 1 local LSDB and CSNP.For having in CSNP but the LSP(not having in local LSDB as LSP1), send PSNP(Partial Sequence Numbers Protocol Data Unit by NVE equipment 1 to NVE equipment 7, partial sequence number protocol element, carry out LSP request when asynchronous for LSDB), this PSNP is for being NVE equipment 7 to DIS() ask this LSP1; For the LSP(having in local LSDB but do not have in CSNP as LSP2), send this LSP2 by NVE equipment 1 to NVE equipment 7.
NVE equipment 7 is after the PSNP receiving from other NVE equipment (as NVE equipment 1), because PSNP is for asking LSP1 to NVE equipment 7, therefore NVE equipment 7 is inquired about the LSP1 of PSNP request in local LSDB, and the LSP1 of PSNP request is sent to NVE equipment 1.In addition, NVE equipment 7, after the LSP2 receiving from NVE equipment 1, is stored this LSP2 in local LSDB.
Further, NVE equipment 7, after the LSP2 receiving from NVE equipment 1, also needs this LSP2 to send to NVE equipment 2-NVE equipment 6, after the LSP2 receiving from NVE equipment 7, stores this LSP2 by NVE equipment 2-NVE equipment 6 in local LSDB.
Based on the inventive concept same with said method, a kind of network virtualization edge NVE equipment is also provided in the embodiment of the present invention, be applied in the network that comprises multiple NVE equipment, in described multiple NVE equipment, only include a master control NVE equipment, NVE equipment outside described master control NVE equipment is member NVE equipment, as shown in Figure 4, described NVE equipment specifically comprises:
Study module 11, for determining the priority of other NVE equipment of described network;
Described study module 11, specifically for utilizing the IP address of the given server configuring on this NVE equipment to send the priority of this NVE equipment to described given server; By described given server, the priority of the each NVE equipment in described network is notified to the each NVE equipment in described network; And, receive the priority notice message from described given server, and notify message learning to notify the priority of other NVE equipment in the described network carrying message to described priority from described priority.
Described determination module 12, specifically in the time that the priority of this NVE equipment is better than the priority of other NVE equipment, determines that this NVE equipment is master control NVE equipment in network; Or, in the time that the priority of other NVE equipment is better than the priority of this NVE equipment, determine that this NVE equipment is member NVE equipment in network; Or, in the time that the priority of this NVE equipment is identical with the priority of other NVE equipment, if the IP address of this NVE equipment is greater than the IP address of described other NVE equipment, determine that this NVE equipment is master control NVE equipment in network; Or, in the time that the priority of this NVE equipment is identical with the priority of other NVE equipment, if the IP address of this NVE equipment is less than the IP address of described other NVE equipment, determine that this NVE equipment is member NVE equipment in network.
Also comprise: LSP update module 14, during for the master control NVE equipment that is described network at this NVE equipment, elect this NVE equipment as designated intermediate system DIS; Or in the time that this NVE equipment is the member NVE equipment in described network, election master control NVE equipment is as DIS.
In the time that this NVE equipment is the master control NVE equipment in described network, described LSP update module 14, specifically for periodically sending complete serial number data protocol element CSNP, and in described CSNP, comprise the summary info of all LSP in link-local slip condition database LSDB; Received after described CSNP the LSP comprising in the LSP comprising in more local LSDB and described CSNP by other NVE equipment; For the LSP having in described CSNP but do not have in local LSDB, by described other NVE equipment, to described NVE equipment transmitting portion serial number data protocol element PSNP, this PSNP is used for asking this LSP; For the LSP having in local LSDB but do not have in described CSNP, send this LSP by described other NVE equipment to described NVE equipment; After the PSNP receiving from other NVE equipment, in local LSDB, inquire about the LSP of this PSNP request, and the LSP of PSNP request is sent to described other NVE equipment; And/or, after the LSP receiving from other NVE equipment, in local LSDB, store this LSP.
Wherein, the modules of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into multiple submodules.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.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 a storage medium, comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out the method described in 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, the module in 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 in embodiment can be distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into multiple submodules.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (10)
1. a neighborhood maintaining method, be applied in the network that comprises multiple network virtualizations edge NVE equipment, only include a master control NVE equipment in described multiple NVE equipment, the NVE equipment outside described master control NVE equipment is member NVE equipment, it is characterized in that, described method comprises:
NVE equipment is determined the priority of other NVE equipment in described network;
Described in described NVE equipment utilization, the priority of other NVE equipment and the priority of this NVE equipment determine that this NVE equipment is master control NVE equipment or member NVE equipment in described network;
In the time that described NVE equipment is the member NVE equipment in described network, described member NVE equipment sends Intermediate System-to-Intermediate System ISIS hello packet to master control NVE equipment, to set up ISIS neighborhood between described member NVE equipment and described master control NVE equipment; Described member NVE equipment is forbidden sending ISIS hello packet to other member NVE equipment outside this member NVE equipment, to forbid setting up ISIS neighborhood between described member NVE equipment and described other member NVE equipment.
2. the method for claim 1, is characterized in that, described NVE equipment is determined the process of the priority of other NVE equipment in described network, specifically comprises:
The IP address of the given server configuring on each this NVE of the NVE equipment utilization equipment in described network sends the priority of this NVE equipment to described given server; By described given server, the priority of the each NVE equipment in described network is notified to the each NVE equipment in described network;
Described NVE equipment receives the priority notice message from described given server, and the priority of carrying other NVE equipment in described network in described priority notice message.
3. the method for claim 1, it is characterized in that, described in described NVE equipment utilization, the priority of other NVE equipment and the priority of this NVE equipment are determined this NVE equipment process for master control NVE equipment or member NVE equipment in described network, specifically comprise:
In the time that the priority of described NVE equipment is better than the priority of described other NVE equipment, described NVE equipment determines that this NVE equipment is master control NVE equipment in described network; Or,
In the time that the priority of described other NVE equipment is better than the priority of described NVE equipment, described NVE equipment determines that this NVE equipment is member NVE equipment in described network; Or,
In the time that the priority of described NVE equipment is identical with the priority of described other NVE equipment, if the IP address of described NVE equipment is greater than the IP address of described other NVE equipment, described NVE equipment determines that this NVE equipment is master control NVE equipment in described network; Or,
In the time that the priority of described NVE equipment is identical with the priority of described other NVE equipment, if the IP address of described NVE equipment is less than the IP address of described other NVE equipment, described NVE equipment determines that this NVE equipment is member NVE equipment in described network.
4. the method for claim 1, it is characterized in that, described in described NVE equipment utilization the priority of other NVE equipment and the priority of this NVE equipment determine this NVE equipment in described network for after master control NVE equipment or member NVE equipment, described method further comprises:
In the time that described NVE equipment is the master control NVE equipment in described network, described NVE equipment elects this NVE equipment as designated intermediate system DIS; Or in the time that described NVE equipment is the member NVE equipment in described network, described NVE equipment election master control NVE equipment is as DIS.
5. method as claimed in claim 4, is characterized in that, in the time that NVE equipment is the master control NVE equipment in described network, after election master control NVE equipment is as DIS, described method also comprises:
Described NVE equipment periodic sends complete serial number data protocol element CSNP, and in described CSNP, comprises the summary info of all Link State data protocol unit LSP in link-local slip condition database LSDB; Received after described CSNP the LSP comprising in the LSP comprising in more local LSDB and described CSNP by other NVE equipment; For the LSP having in described CSNP but do not have in local LSDB, by described other NVE equipment, to described NVE equipment transmitting portion serial number data protocol element PSNP, this PSNP is used for asking this LSP; For the LSP having in local LSDB but do not have in described CSNP, send this LSP by described other NVE equipment to described NVE equipment; Described NVE equipment, after the PSNP receiving from other NVE equipment, is inquired about the LSP of this PSNP request, and the LSP of this PSNP request is sent to described other NVE equipment in local LSDB; And/or described NVE equipment, after the LSP receiving from other NVE equipment, is stored this LSP in local LSDB.
6. a network virtualization edge NVE equipment, be applied in the network that comprises multiple NVE equipment, only include a master control NVE equipment in described multiple NVE equipment, the NVE equipment outside described master control NVE equipment is member NVE equipment, it is characterized in that, described NVE equipment specifically comprises:
Study module, for determining the priority of other NVE equipment of described network;
Determination module, for utilizing the described priority of other NVE equipment and the priority of this NVE equipment to determine that this NVE equipment is master control NVE equipment or member NVE equipment at described network;
Maintenance module, while being used for the member NVE equipment that is described network at this NVE equipment, send Intermediate System-to-Intermediate System ISIS hello packet to master control NVE equipment, to set up ISIS neighborhood between described member NVE equipment and described master control NVE equipment; And, forbid that described member NVE equipment sends ISIS hello packet to other member NVE equipment outside this member NVE equipment, to forbid setting up ISIS neighborhood between described member NVE equipment and described other member NVE equipment.
7. NVE equipment as claimed in claim 6, is characterized in that,
Described study module, specifically for utilizing the IP address of the given server configuring on this NVE equipment to send the priority of this NVE equipment to described given server; By described given server, the priority of the each NVE equipment in described network is notified to the each NVE equipment in described network; And, receive the priority notice message from described given server, and notify message learning to notify the priority of other NVE equipment in the described network carrying message to described priority from described priority.
8. NVE equipment as claimed in claim 6, is characterized in that,
Described determination module, specifically in the time that the priority of this NVE equipment is better than the priority of other NVE equipment, determines that this NVE equipment is master control NVE equipment in network; Or, in the time that the priority of other NVE equipment is better than the priority of this NVE equipment, determine that this NVE equipment is member NVE equipment in network; Or, in the time that the priority of this NVE equipment is identical with the priority of other NVE equipment, if the IP address of this NVE equipment is greater than the IP address of described other NVE equipment, determine that this NVE equipment is master control NVE equipment in network; Or, in the time that the priority of this NVE equipment is identical with the priority of other NVE equipment, if the IP address of this NVE equipment is less than the IP address of described other NVE equipment, determine that this NVE equipment is member NVE equipment in network.
9. NVE equipment as claimed in claim 6, is characterized in that, also comprises:
Link State data protocol unit LSP update module, during for the master control NVE equipment that is described network at this NVE equipment, elects this NVE equipment as designated intermediate system DIS; Or in the time that this NVE equipment is the member NVE equipment in described network, election master control NVE equipment is as DIS.
10. NVE equipment as claimed in claim 9, it is characterized in that, in the time that this NVE equipment is the master control NVE equipment in described network, described LSP update module, specifically for periodically sending complete serial number data protocol element CSNP, and in described CSNP, comprise the summary info of all LSP in link-local slip condition database LSDB; Received after described CSNP the LSP comprising in the LSP comprising in more local LSDB and described CSNP by other NVE equipment; For the LSP having in described CSNP but do not have in local LSDB, by described other NVE equipment, to described NVE equipment transmitting portion serial number data protocol element PSNP, this PSNP is used for asking this LSP; For the LSP having in local LSDB but do not have in described CSNP, send this LSP by described other NVE equipment to described NVE equipment;
After the PSNP receiving from other NVE equipment, in local LSDB, inquire about the LSP of this PSNP request, and the LSP of this PSNP request is sent to described other NVE equipment; And/or, after the LSP receiving from other NVE equipment, in local LSDB, store this LSP.
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|---|---|---|---|
| CN201410053704.5A CN103780485A (en) | 2014-02-17 | 2014-02-17 | Neighbor relationship maintenance method and device |
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| CN201410053704.5A CN103780485A (en) | 2014-02-17 | 2014-02-17 | Neighbor relationship maintenance method and device |
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Address after: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No. Applicant after: Xinhua three Technology Co., Ltd. Address before: 310053 Hangzhou hi tech Industrial Development Zone, Zhejiang province science and Technology Industrial Park, No. 310 and No. six road, HUAWEI, Hangzhou production base Applicant before: Huasan Communication Technology Co., Ltd. |
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