Complex dynamic routing analysis method for realizing telecommunication network based on intelligent routing simulation technique

A technology of simulation and analysis methods, applied in the field of dynamic routing analysis, which can solve the problems of exhaustion of 32-bit IP address space, unresolved, lack of medium-sized networks, etc.

Active Publication Date: 2009-09-23
LINKAGE SYST INTEGRATION
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

One of the main reasons for this problem is the lack of medium-sized networks suitable for medium-sized organizations; Class C networks, with a maximum of 254 host addresses, are too few, while Class B networks allow a maximum of 65534 addresses, but are too large. Full use
[0005] 2) The growth of routing tables in i

Method used

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Embodiment Construction

[0018] In the following, the present invention will be specifically described through a detailed process.

[0019] 1.1BGP monitoring

[0020] 1) Establish a TCP connection with the neighbor, port number 179;

[0021] 2) Send an Open message to set up a BGP initial handshake message;

[0022] 3) Send heartbeat message every minute;

[0023] 4) Receive the update message sent by the neighbor (including the newly added route and the withdrawn route), send an ack response message, but do not send the update message of the local routing library to the neighbor (only receive and not send the update message);

[0024] 5) Generate a local routing table.

[0025] 1.2 Withdraw routing

[0026] 1) The program receives the update message sent by the neighbor that contains the revoked route;

[0027] 2) delete the route in the real-time routing table;

[0028] 3) Write the revocation route into the update / revocation route history table;

[0029] 4) Send serious alarms to the IP netw...

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PUM

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Abstract

The invention relates to a complex dynamic routing analysis method for realizing a telecommunication network based on the intelligent routing simulation technique. A BGP router is simulated by a software program at a monitoring host computer and is only used for monitoring all neighbors and does not forward BGP packets of the neighbors; the software router configures the neighbors at a front page; the router receives and analyzes the update information transmitted by the neighbors and writes the information into a local routing table and a database after shaking hands with the neighbors through open information, but does not broadcast the local routing table to the neighbors, so that the neighbors can not know the reachable destination network through a local software router, and the neighbors can not transmit a BGP protocol packet to the local software router for the forwarding service; and the software router adopts the steps for configuring monitoring neighbors: after a user edits the increase of neighbors, elimination of the neighbors and edition of the neighbor's information on the front page of the software router, the configuration of BGP neighbors is realized through TCP connection to transmit the BGP background of the monitoring host computer.

Description

technical field [0001] The invention relates to the realization of complex dynamic routing analysis of large telecommunication network based on intelligent routing simulation technology. Background technique [0002] Border Gateway Protocol (Border Gateway Protocol, BGP) is a routing protocol between autonomous systems. The network reachability information exchanged by BGP provides enough information to detect routing loops and make routing decisions based on performance priorities and policy constraints. In particular, BGP exchanges network reachability information including all as paths, and executes routing policies according to configuration information. [0003] As the Internet has progressed and grown in recent years, it has also had to contend with some serious scaling issues, including: [0004] 1) Exhaustion of class B network address space. One of the main reasons for this problem is the lack of medium-sized networks suitable for medium-sized organizations; Clas...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/26H04L12/56H04L45/02
Inventor 王海峰陈玉斗刘烈军周玲庞海东陆志强胡圣林
Owner LINKAGE SYST INTEGRATION
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