Method for transmitting multicast hot standby table entries by utilizing border gateway protocol
A border gateway protocol and multicast forwarding table technology, applied in the IP network field, can solve problems such as lost applications, many problems, and complex configurations
Active Publication Date: 2021-04-06
CHINA TELECOM CORP LTD +1
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[0011] The present invention provides a method for transferring multicast hot standby table items by using the border gateway protocol to solve the problem that the existing VSRP basically loses its application after switching to control and separating networking. Only the multicast IGMP MLD is backed up by VSRP. Complicated, 2UP is needed in the middle, responsible for the interconnection of routers at the control level, and there are many problems
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[0056] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0057] The embodiment of the present invention discloses a method for transferring multicast hot standby entries by using BGP. The method is applied to a network of a transfer-control separation system of an operator, or a dual-machine hot backup system of a vBRAS separated from transfer control in a university.
[0058] In a method for transferring multicast hot standby entries by using the Border Gateway Protocol described in this embodiment, the method includes:
[0059] Step 1, a dual-machine hot standby network is composed of the first transfer-control separation system and the second transfer-control separation system;
[0060] Step 2, when the user's multicast service is online from the second switch, a multicast forwarding...
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The invention provides a method for transmitting multicast hot standby table entries by using a border gateway protocol. The method comprises the following steps of: forming a dual-computer hot standby network by using a first transfer control separation system and a second transfer control separation system; after the multicast service of the user is online from the second switch, forming a multicast forwarding table entry in the first forwarding and control separation system; adding the multicast group into a backup group and an interface corresponding to a second forwarding control separation system through a boundary gateway protocol; when the first forwarding and control separation system breaks down, carrying out hot standby switching, sending the multicast forwarding table item to a second forwarding and control separation system through a border gateway protocol to form a backup multicast forwarding table item, namely the multicast hot standby table item, wherein the multicast service of the user is rapidly recovered through the second forwarding control separation system. Compared with the prior art, the invention has the advantages that a complex multi-machine backup channel protocol configured between UP1 and UP2 is simplified, and the situation that a special connection channel is established between the UP1 and the UP2 to bear the multi-machine backup protocol is avoided.
Description
technical field [0001] The invention relates to the technical field of IP network, in particular to a method for transferring multicast hot standby table items by using the border gateway protocol. Background technique [0002] In the traditional integrated Broadband Remote Access Server (BRAS) service, the multi-machine backup function provides a device-level network reliability solution through the Virtual Service Redundancy Protocol (VSRP). Program. It can ensure the uninterrupted transmission of user business data in the event of network node failure. Multi-machine backup channel is the key technology. [0003] Such as figure 1 As shown in , it is a schematic diagram of the dual-machine backup function of the integrated BRAS system. [0004] Among them, the multi-device backup channel: the active device and the backup device of the multi-device backup need to use the channel to synchronize the multi-device backup state data and business data. The channel is created ...
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IPC IPC(8): H04L29/08H04L12/715H04L12/761H04L12/741H04L45/16H04L45/74
CPCH04L67/1095H04L45/04H04L45/16H04L45/74
Inventor 乔建李忠超孙炜郭泓伟刘洁肖柏何帅马驰肖明坤
Owner CHINA TELECOM CORP LTD