Routing monitoring apparatus
A monitoring device and routing technology, applied in the field of communication, can solve the problems of inconvenient management, waste of storage space, and difficulty.
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[0024] The invention provides a route monitoring device.
[0025] Inter-domain route monitoring is the monitoring of BGP routes. Currently, the most commonly used external gateway protocol is BGP-4 (Border Gateway Protocol Version 4, Border Gateway Protocol Version 4). BGP-4 is a complex distributed dynamic routing protocol used between autonomous systems. The main function of BGP-4 is to exchange network reachability information between systems implementing the BGP-4 protocol. These network reachability information include a list of autonomous systems traversed by a route, which is used to establish a graph representing the connection state, so as to solve the routing loop problem and make routing selection based on AS (Access Server, access server) strategy is possible.
[0026] After the two BGP-4Speakers establish a TCP connection, they negotiate parameters and start exchanging routing information after reaching an agreement. In the initial situation at this time, the tw...
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