High-available distributed boundary gateway protocol system based on cluster router structure
A border gateway protocol and router technology, applied in the field of dual-node backup technology and multi-node distributed computing system, can solve the problems of slow routing update processing, more storage space, consumption, etc., and achieve improved reliability, load balancing, and convenience management effect
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[0089] The high-availability distributed BGP system based on the cluster router structure is mainly composed of two subsystems: the master control node subsystem and the slave node system subsystem.
[0090] ●Main functions
[0091] Master control node subsystem: establish a connection with the peer; send the received routing update message to the corresponding slave node for processing according to the division algorithm; receive the local optimal route after processing the BGP message of each slave node and select the global optimal route Routing; advertising routing updates to peers; managing slave nodes.
[0092] Slave node subsystem: analyze the UPDATE message; calculate the priority of each route; select the local optimal route.
[0093] ●Several important concepts
[0094] BGP Entity: The BGP system running on the router.
[0095] BGP peers: BGP systems that exchange protocol messages with the current system.
[0096] BGP defines four types of packets:
[0097] □OP...
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