WO2017054471A1 - Procédé d'élection de routeur désigné et dispositif l'utilisant - Google Patents

Procédé d'élection de routeur désigné et dispositif l'utilisant Download PDF

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Publication number
WO2017054471A1
WO2017054471A1 PCT/CN2016/082857 CN2016082857W WO2017054471A1 WO 2017054471 A1 WO2017054471 A1 WO 2017054471A1 CN 2016082857 W CN2016082857 W CN 2016082857W WO 2017054471 A1 WO2017054471 A1 WO 2017054471A1
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Prior art keywords
router
designated
neighbor
election
neighboring
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PCT/CN2016/082857
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English (en)
Chinese (zh)
Inventor
何建军
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中兴通讯股份有限公司
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Publication of WO2017054471A1 publication Critical patent/WO2017054471A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks

Definitions

  • This document relates to, but is not limited to, the field of router technology, and relates to an election method and device for specifying a router.
  • DR Designated Router
  • the protocol using the DR mechanism triggers the corresponding designated router to re-elect when a new neighbor router joins, the neighbor router election eligibility attribute changes, or the known neighbor router leaves, but in many cases does not cause the specified router change in the current network. At this time, re-election will only reduce the election efficiency of the designated router and waste valuable CPU (Central Processing Unit) resources.
  • CPU Central Processing Unit
  • An embodiment of the present invention provides an election method and device for a designated router, which solves the problem that when a new neighbor router joins, a neighbor router election eligibility attribute changes, or a known neighbor router leaves, the specified router is re-elected. Reduce the election efficiency of designated routers and waste CPU resources.
  • An embodiment of the present invention provides an election method for a designated router, including:
  • the designated router If it is determined that the designated router needs to be re-elected on the router, the designated router is re-elected on the router; if it is determined that the designated router does not need to be re-elected on the router, the designated router is not re-elected.
  • the change information of the neighbor router of the router includes:
  • the number change information of the neighbor router of the router and the election qualification attribute change information of the neighbor router are the number change information of the neighbor router of the router and the election qualification attribute change information of the neighbor router.
  • the change information of the neighboring router of the router includes the number of the neighboring routers, and the determining, according to the change information of the neighboring routers of the router, whether the router needs to be re-elected on the router, including :
  • the new neighbor router has the candidate qualification, it is determined that the designated router needs to be re-elected on the router; if the new neighbor router does not have the candidate qualification, it is determined that it is not necessary to re-elect the designated on the router. router.
  • the step of determining, according to the number of neighbor routers, whether the added new neighbor router has the candidate qualification includes:
  • the change information of the neighboring router of the router includes the number-reduction information of the neighboring router; and determining, according to the change information of the neighboring router of the router, whether the designated router needs to be re-elected on the router, including :
  • the neighboring router leaving the current network is the currently designated router, it is determined that the designated router needs to be re-elected on the router; if the neighboring router leaving the current network is not the currently designated router, then determining Draws that there is no need to re-elect the finger on the router The fourth judgment result of the router.
  • the change information of the neighbor router of the router includes the election qualification attribute change information of the first neighbor router, where the first neighbor router includes any one of the neighbor routers;
  • Determining whether to re-elect the designated router on the router according to the change information of the neighboring router of the router includes:
  • the step of determining whether to re-elect the designated router on the router according to the comparison result and the information of the currently designated router includes:
  • the comparison result indicates that the changed election qualification attribute information is superior to the pre-change election qualification attribute information, and the current designated router is the first neighbor router, it is determined that the Re-electing the designated router on the router;
  • the comparison result indicates that the changed election qualification attribute information is superior to the pre-change election qualification attribute information, and the current designated router is not the first neighbor router, determining that the router is required to be in the router Re-electing the designated router;
  • the comparison result indicates that the changed election qualification attribute information is not better than the pre-change election qualification attribute information, and the currently designated router is not the neighbor router, it is determined that the router is not required to be Re-electing the designated router;
  • the comparison result indicates that the changed election qualification attribute information is not better than the pre-change election qualification attribute information, and the current designated router is the neighbor router, it is determined that the router needs to be on the router. Re-elect the designated router.
  • the embodiment of the invention further provides an election device for specifying a router, including:
  • the determining module is configured to determine, according to the change information of the neighbor router of the router, whether to re-elect the designated router on the router;
  • Re-electing the module if the determining module determines that the designated router needs to be re-elected on the router, re-electing the designated router on the router; if the determining module determines that the router does not need to be re-established on the router If the designated router is elected, the designated router will not be re-elected.
  • the change information of the neighbor router of the router includes:
  • the number change information of the neighbor router of the router and the election qualification attribute change information of the neighbor router are the number change information of the neighbor router of the router and the election qualification attribute change information of the neighbor router.
  • the change information of the neighboring router of the router includes the number of the neighboring routers, and the determining module includes:
  • the first determining unit is configured to determine, according to the number of the neighbor routers, whether the added new neighbor router has the candidate qualification
  • a first determining unit configured to: if the first determining unit determines that the new neighboring router has the candidate qualification, determine that the designated router needs to be re-elected on the router; if the first determining unit determines the new If the neighbor router does not have the candidacy, it is determined that it is not necessary to re-elect the designated router on the router.
  • the first determining unit is configured to determine, according to the election qualification attribute information carried by the new neighbor router, whether the added new neighbor router has the candidate qualification.
  • the change information of the neighboring router of the router includes the number of reduction information of the neighboring router; the determining module includes:
  • the second determining unit is configured to determine, according to the number of the neighboring routers, whether the neighboring router leaving the current network is the currently designated router;
  • a second determining unit configured to: if the second determining unit determines that the neighboring router leaving the current network is the current designated router, determining that the designated router needs to be re-elected on the router; The determining unit determines that the neighboring router leaving the current network is not the currently designated router, and determines that the designated route does not need to be re-elected on the router. Device.
  • the change information of the neighbor router of the router includes the election qualification attribute change information of the first neighbor router, where the first neighbor router includes any one of the neighbor routers;
  • the determining module includes:
  • the comparing unit is configured to compare, according to the election qualification attribute change information of the first neighboring router, whether the changed election qualification attribute information is superior to the pre-change election qualification attribute information, and obtain a comparison result;
  • the third determining unit is configured to determine, according to the comparison result and the information of the currently designated router, whether the designated router needs to be re-elected on the router.
  • the third determining unit includes:
  • a third determining unit configured to determine, if the comparison result indicates that the changed election qualification attribute information is superior to the pre-change election qualification attribute information, and the current designated router is the first neighbor router, It is concluded that there is no need to re-elect the designated router on the router;
  • a fourth determining unit configured to determine, if the comparison result indicates that the changed election qualification attribute information is superior to the pre-change election qualification attribute information, and the current designated router is not the first neighbor router, It is concluded that the designated router needs to be re-elected on the router;
  • a fifth determining unit configured to determine, if the comparison result indicates that the changed election qualification attribute information is not better than the election qualification attribute information before the change, and the current designated router is not the neighbor router, It is not necessary to re-elect the designated router on the router;
  • a sixth determining unit configured to determine, if the comparison result indicates that the changed election qualification attribute information is not better than the election qualification attribute information before the change, and the current designated router is the neighbor router, It is necessary to re-elect the designated router on the router.
  • the method for electing a designated router in the embodiment of the present invention acquires change information of a neighboring router of the router; and according to the change information of the neighboring router of the router, determines whether it is necessary to re-elect the designated router on the router, and needs to re-elect the designated Re-election when the router is running, Otherwise, the designated router is not re-elected, which improves the election efficiency of the designated router and saves valuable CPU resources.
  • the embodiment of the present invention further provides a computer readable storage medium, where the computer readable storage medium stores computer executable instructions, and when the computer executable instructions are executed, implements an election method of a designated router.
  • FIG. 1 is a schematic structural diagram of a router in a related art that does not need to trigger a re-election of a designated router;
  • FIG. 2 is a flowchart showing the operation of an election method of a designated router according to the first embodiment of the present invention
  • FIG. 3 is a flowchart showing the operation of an election method for a designated router according to a second embodiment of the present invention.
  • FIG. 4 is a flowchart showing the operation of an election method for a designated router according to a second embodiment of the present invention.
  • FIG. 5 is a flowchart showing the operation of an election method of a designated router according to a third embodiment of the present invention.
  • FIG. 6 is a flowchart showing the operation of an election method of a designated router according to a third embodiment of the present invention.
  • FIG. 7 is a flowchart showing the operation of an election method of a designated router according to a fourth embodiment of the present invention.
  • FIG. 8 is a flowchart showing the operation of an election method of a designated router according to a fourth embodiment of the present invention.
  • Fig. 9 is a block diagram showing the structure of an apparatus for electing a designated router according to a fifth embodiment of the present invention.
  • ISIS Open Shortest Path First
  • OSPF Open Shortest Path First
  • Intermediate System-to-Intermediate System referred to as Intermediate System-to-Intermediate System
  • ISIS has introduced a designated router mechanism (Designated Intermediate System (DIS) in the ISIS protocol).
  • DIS Designated Intermediate System
  • Other routers in the network only perform synchronous interaction with database packets of the designated router.
  • the designated router generates a chain that points to all other routers. Road status message.
  • the OSPF protocol also introduces a Backup Designated Router (BDR) mechanism. When a designated router fails, the backup designated router immediately takes over the failed designated router. Make all the responsibilities of the designated router.
  • BDR Backup Designated Router
  • the election process of the designated router mainly includes: determining a list of candidate routers with eligibility for election, and selecting the router with the best qualification as the designated router from the list of candidate routers with eligibility according to the eligibility attribute.
  • the intermediate system-intermediate system ISIS protocol adopts preemptive rules.
  • the newly joined router will immediately elect itself as the designated router. (Other routers will also elect to join the router as the designated router); the OSPF protocol is quite different from this.
  • the new router joins the router and finds that the designated router already exists on the network, even if it has more preferred qualifications than the current designated router, Will elect itself as the designated router, on the contrary, the new router will accept the designated router in the current network.
  • a router is more preferred than another router, there are many qualification attributes measured, such as router priority, router address, and so on.
  • the neighbor router changes, it should trigger the re-election of the designated router, such as adding a neighbor router, knowing that the neighbor router leaves the network, or the election qualification attribute of the neighbor router changes.
  • the re-election of the designated router is triggered, and the final result will certainly not change. In this case, there is no need to trigger the re-election of the designated router.
  • the election qualification attribute is the router priority, which is 3, 2, and 1, respectively.
  • the priority of Router 1 is specified during the router election. The highest, so the final election is the designated router, the subsequent router 3 nodes leave the network, will trigger the re-election of the designated router, but the final election results have not changed, that is, the designated router is still router 1.
  • the router 3 Since the router 3 is not the designated router, the router 3 does not change the designated router when it leaves the network. Therefore, it is not necessary to trigger the re-election of the designated router. At this time, the re-election of the designated router will reduce the election efficiency of the designated router. The valuable CPU resources are wasted, and the designated router changes only when the designated router 1 leaves the network. At this time, it is necessary to trigger the re-election of the designated router.
  • an embodiment of the present invention provides an election method and device for specifying a router.
  • an embodiment of the present invention provides an election method for a designated router, including:
  • Step S11 Acquire change information of the neighbor router of the router.
  • the change information of the neighboring router of the router may include: information about the number of neighbor routers of the router and the election qualification attribute change information of the neighboring router.
  • Step S12 Determine, according to the change information of the neighbor router of the router, whether to re-elect the designated router on the router;
  • Step S13 If it is determined that the designated router needs to be re-elected on the router, the designated router is re-elected on the router; if it is determined that the designated router does not need to be re-elected on the router, the designation is not re-elected. router.
  • the foregoing technical solution obtains the change information of the neighboring router of the router; determines, according to the change information of the neighboring router of the router, whether the router needs to be re-elected on the router, and re-elects when the designated router needs to be re-elected, otherwise Re-electing the designated routers improves the election efficiency of the designated routers and saves valuable CPU resources.
  • the change information of the neighbor router of the router in this embodiment includes the number change information of the neighbor router of the router.
  • the change information of the neighbor router of the router includes the number of the neighbor routers.
  • the method for electing a designated router includes:
  • Step S21 Obtaining the number of neighbor routers of the router to increase information
  • each protocol may be different for the case where a new neighbor router joins the network, and mainly includes the following two situations: it may be that the neighbor state arrives in two-way communication (two-way communication indicates that the router has found the existence of the other party), and may be found only Neighbor routers, regardless of whether the peer has found itself, that is, the neighbor state reaches the one-way communication state.
  • Step S22 According to the number of neighbor routers of the router, the information is added to determine the added new neighbor. Whether the router has a candidacy;
  • Step S23 If the new neighbor router has the candidate qualification, it is determined that the designated router needs to be re-elected on the router; if the new neighbor router is not candidate, it is determined that the router does not need to be re-established on the router. Elect the designated router;
  • Step S24 Re-elect the designated router on the router, or do not re-elect the designated router.
  • the OSPF protocol considers that the router with the priority of 0 is not eligible to participate in the election of the designated router. If the new neighbor router is not eligible for election, the re-election of the designated router is not triggered, the designated router remains unchanged, and the new neighbor router role is a non-designated router. If the new neighbor is eligible for election, it needs to trigger the re-election of the designated router, and finally elect a new designated router (possibly the final designated router election result has not changed, or the previous designated router) and record the new designated router. .
  • FIG. 4 another flowchart of the method for electing a designated router in this embodiment includes:
  • Step S31 detecting whether a new neighbor router joins the network
  • Step S32 After detecting that a new neighboring router joins the network, it is determined whether the new neighboring router has the eligibility of the election; if the new neighboring router has the eligibility for election, step S33 is performed; if the new neighboring router does not have the eligibility for election, step S35 is performed;
  • Step S33 triggering the designated router to re-elect
  • Step S34 Obtain a designated router that is re-elected.
  • Step S35 The designated router remains unchanged, and the new neighbor router is a non-designated router.
  • the new neighbor router when it is detected that the new neighbor router joins the current network, it is determined whether the new neighbor router has the election qualification, so that the re-election of the designated router is triggered only when there is only a neighbor router change event that may bring the designated router change. Improve the election efficiency of designated routers and save valuable CPU resources.
  • the change information of the neighbor router of the router in this embodiment includes the number change information of the neighbor router of the router.
  • the change information of the neighbor router of the router includes the number reduction information of the neighbor router.
  • the method for electing a designated router includes:
  • Step S41 Acquire information about the number of neighbor routers of the router
  • Each protocol may be different for the case where a known neighbor leaves the network, mainly including the following two situations: it may be that the known neighbor router node does leave the network, and the neighbor routing state may be degraded from the two-way communication state to one-way. Communication status (the router discovers the presence of a neighbor but the neighbor has not found the existence of the router).
  • Step S422 determining, according to the number-of-reduction information of the neighboring router, whether the neighboring router leaving the current network is the currently designated router;
  • Step S43 If the neighboring router leaving the current network is the currently designated router, it is determined that the designated router needs to be re-elected on the router; if the neighboring router leaving the current network is not the currently designated router Then, it is judged that it is not necessary to re-elect the designated router on the router.
  • Step S44 Re-elect the designated router on the router, or do not re-elect the designated router.
  • the neighboring router leaving the network is the designated router of the current network. If the neighboring router leaving the network is not the designated router of the current network, the re-election of the designated router does not need to be triggered, and the current designated router remains unchanged; If the neighboring router that leaves the network is the designated router of the current network, it needs to trigger the re-election of the designated router to elect a new designated router, which saves valuable CPU resources.
  • FIG. 6 another flowchart of the method for electing a designated router in this embodiment includes:
  • Step S51 detecting whether a neighbor router leaves the network
  • Step S52 After detecting that a new neighboring router joins the network, determine whether the neighboring router leaving the network is a designated router; if the neighboring router leaving the network is the designated router, step S53 is performed; if the neighboring router leaving the network is not the designated router, Then executing step S55;
  • Step S53 triggering re-election of the designated router
  • Step S54 Obtain a newly elected designated router.
  • Step S55 The designated router remains unchanged.
  • the change information of the neighbor router of the router in this embodiment includes the election qualification attribute change information of the first neighbor router, and the first neighbor router includes any one of the neighbor routers.
  • the method for electing a designated router in this embodiment includes:
  • Step S61 Acquire the election qualification attribute change information of the first neighbor router.
  • Step S62 According to the election qualification attribute change information of the first neighboring router, comparing whether the changed election qualification attribute information is superior to the pre-change election qualification attribute information, and obtaining a comparison result;
  • Step S63 Determine, according to the comparison result and the information of the currently designated router, whether to re-elect the designated router on the router.
  • step S63 includes:
  • the router does not need to be re-established on the router.
  • the re-election designation needs to be performed on the router. router.
  • FIG. 8 another flowchart of the method for electing a designated router in this embodiment includes:
  • Step S71 Receive a newly sent packet of the first neighboring router.
  • Step S72 determining, according to the newly received packet sent by the first neighboring router, whether the election qualification attribute of the first neighboring router changes; if the election qualification attribute of the first neighboring router does not change, step S73 is performed; If the election qualification attribute of a neighboring router changes to be better, step S74 is performed; if the election qualification attribute of the first neighboring router changes to be worse, step S76 is performed;
  • Step S73 The specified router is not re-elected, and the designated router remains unchanged. Step S73 may be completed after completion, or may continue to receive the message in step S71.
  • Step S74 determining whether the first neighbor router is the current designated router, if the first neighbor router is the current designated router, step S73 is performed; if the first neighbor router is not the current designated router, step S75 is performed;
  • Step S75 Trigger the designated router to re-elect and obtain the newly elected designated router. After the completion of step S75, the process may end, or the process of step S71 may continue to receive the message.
  • Step S76 It is determined whether the first neighbor router is the current designated router. If the first neighbor router is the current designated router, the process goes to step S75. If the first neighbor router is not the current designated router, the process goes to step S73.
  • the method for electing a designated router in the embodiment of the present invention acquires change information of a neighboring router of the router; and according to the change information of the neighboring router of the router, determines whether it is necessary to re-elect the designated router on the router, and needs to re-elect the designated The router re-elects, otherwise the designated router is not re-elected, which improves the election efficiency of the designated router and saves valuable CPU resources.
  • an embodiment of the present invention provides an election apparatus for specifying a router, including:
  • the obtaining module 91 is configured to obtain change information of the neighbor router of the router;
  • the determining module 92 is configured to determine, according to the change information of the neighbor router of the router, whether to re-elect the designated router on the router;
  • the re-election module 93 is configured to determine that the determining module needs to re-elect the designated router on the router, and then re-elect the designated router on the router; if the determining module determines that the router does not need to be re-established on the router If the designated router is elected, the designated router will not be re-elected.
  • the change information of the neighbor router of the router includes:
  • the number change information of the neighbor router of the router and the election qualification attribute change information of the neighbor router are the number change information of the neighbor router of the router and the election qualification attribute change information of the neighbor router.
  • the change information of the neighboring router of the router includes the number of the neighboring routers
  • the determining module 92 includes:
  • the first determining unit is configured to determine, according to the number of the neighbor routers, whether the added new neighbor router has the candidate qualification
  • a first determining unit configured to: if the first determining unit determines that the new neighboring router has the candidate qualification, determine that the designated router needs to be re-elected on the router; if the first determining unit determines the new If the neighbor router does not have the candidacy, it is determined that it is not necessary to re-elect the designated router on the router.
  • the first determining unit is configured to determine, according to the election qualification attribute information carried by the new neighbor router, whether the added new neighbor router has the candidate qualification.
  • the change information of the neighboring router of the router includes the number-reduction information of the neighboring router; the determining module 92 includes:
  • the second determining unit is configured to determine, according to the number of the neighboring routers, whether the neighboring router leaving the current network is the currently designated router;
  • a second determining unit configured to: if the second determining unit determines that the neighboring router leaving the current network is the current designated router, determining that the designated router needs to be re-elected on the router; The judging unit judges that the neighboring router leaving the current network is not the currently designated router, and determines that it is not necessary to re-elect the designated router on the router.
  • the change information of the neighbor router of the router includes the selection of the first neighbor router.
  • the first neighbor router includes any one of the neighbor routers;
  • the determining module 92 includes:
  • the comparing unit is configured to compare, according to the election qualification attribute change information of the first neighboring router, whether the changed election qualification attribute information is superior to the pre-change election qualification attribute information, and obtain a comparison result;
  • the third determining unit is configured to determine, according to the comparison result and the information of the currently designated router, whether the designated router needs to be re-elected on the router.
  • the third determining unit includes:
  • a third determining unit configured to determine, if the comparison result indicates that the changed election qualification attribute information is superior to the pre-change election qualification attribute information, and the current designated router is the first neighbor router, It is concluded that there is no need to re-elect the designated router on the router;
  • a fourth determining unit configured to determine, if the comparison result indicates that the changed election qualification attribute information is superior to the pre-change election qualification attribute information, and the current designated router is not the first neighbor router, It is concluded that the designated router needs to be re-elected on the router;
  • a fifth determining unit configured to determine, if the comparison result indicates that the changed election qualification attribute information is not better than the election qualification attribute information before the change, and the current designated router is not the neighbor router, It is not necessary to re-elect the designated router on the router;
  • a sixth determining unit configured to determine, if the comparison result indicates that the changed election qualification attribute information is not better than the election qualification attribute information before the change, and the current designated router is the neighbor router, It is necessary to re-elect the designated router on the router.
  • the device is a device corresponding to the foregoing method embodiment, and all implementations in the foregoing method embodiments are applicable to the embodiment of the device, and the same technical effects can be achieved.
  • the method and device for selecting a designated router in the embodiment of the present invention acquires change information of a neighboring router of the router; and according to the change information of the neighboring router of the router, determine whether it is necessary to re-elect the designated router on the router, and need to re-require Re-election is performed when the designated router is elected. Otherwise, the designated router is not re-elected, which improves the election efficiency of the designated router and saves valuable CPU resources.
  • the embodiment of the present invention further provides a computer readable storage medium, where the computer readable storage medium stores computer executable instructions, and when the computer executable instructions are executed, implements an election method of a designated router.
  • each module/unit in the above embodiment may be implemented in the form of hardware, for example, by implementing an integrated circuit to implement its corresponding function, or may be implemented in the form of a software function module, for example, executing a program stored in the memory by a processor. / instruction to achieve its corresponding function.
  • This application is not limited to any specific combination of hardware and software.
  • the above technical solution improves the election efficiency of the designated router and saves valuable CPU resources.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

L'invention concerne un procédé d'élection d'un routeur désigné, comportant les étapes consistant à: obtenir des informations de changement d'un routeur voisin d'un routeur; déterminer, au niveau du routeur, d'après les informations de changement d'un routeur voisin d'un routeur, s'il convient de réélire un routeur désigné; si c'est le cas, réélire, au niveau du routeur, le routeur désigné; et si ce n'est pas le cas, empêcher la réélection, au niveau du routeur, du routeur désigné. Le mode de réalisation de l'invention est configuré pour réélire un routeur désigné s'il est nécessaire de réélire le routeur désigné, dans le cas contraire, le mode de réalisation est configuré pour empêcher la réélection du routeur désigné. Par conséquent, le mode de réalisation peut accroître le rendement d'élection de l'élection d'un routeur désigné, et économiser des ressources précieuses de CPU.
PCT/CN2016/082857 2015-09-28 2016-05-20 Procédé d'élection de routeur désigné et dispositif l'utilisant WO2017054471A1 (fr)

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CN201510626487.9A CN106559343A (zh) 2015-09-28 2015-09-28 一种指定路由器的选举方法及装置
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CN108881007A (zh) * 2017-05-11 2018-11-23 中兴通讯股份有限公司 一种基于ospf协议的选择dr设备的方法及装置
CN114258112B (zh) * 2020-09-22 2023-12-08 华为技术有限公司 一种ap选举方法、装置及计算机可读存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1639704A (zh) * 2002-06-21 2005-07-13 国际商业机器公司 通过自动选择网络指定路由器自动配置覆盖网的方法和结构
CN101119304A (zh) * 2007-08-24 2008-02-06 华为技术有限公司 一种邻居关系建立方法和路由器
US20090161670A1 (en) * 2007-12-24 2009-06-25 Cisco Technology, Inc. Fast multicast convergence at secondary designated router or designated forwarder
US20100172350A1 (en) * 2007-06-23 2010-07-08 Qinetiq Limited Communications System
CN102006189A (zh) * 2010-11-25 2011-04-06 中兴通讯股份有限公司 用于双机冗余备份的主用接入服务器确定方法及装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102238074B (zh) * 2010-05-04 2013-11-27 杭州华三通信技术有限公司 一种dr选举方法及路由器
CN102801632A (zh) * 2012-08-28 2012-11-28 盛科网络（苏州）有限公司 Pim-sm指定路由器和igmp查询器的统一选举方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1639704A (zh) * 2002-06-21 2005-07-13 国际商业机器公司 通过自动选择网络指定路由器自动配置覆盖网的方法和结构
US20100172350A1 (en) * 2007-06-23 2010-07-08 Qinetiq Limited Communications System
CN101119304A (zh) * 2007-08-24 2008-02-06 华为技术有限公司 一种邻居关系建立方法和路由器
US20090161670A1 (en) * 2007-12-24 2009-06-25 Cisco Technology, Inc. Fast multicast convergence at secondary designated router or designated forwarder
CN102006189A (zh) * 2010-11-25 2011-04-06 中兴通讯股份有限公司 用于双机冗余备份的主用接入服务器确定方法及装置

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