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Routing device connection status declaring generating method and apparatus

A connection state and generating device technology, applied in the direction of network connection, data exchange through path configuration, network interconnection, etc., can solve the problems of router connection state announcement length exceeding, too much direct connection information, etc., to reduce fragmentation, The effect of reducing network traffic

Inactive Publication Date: 2009-05-27
邳州市兴振农业发展有限公司
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Problems solved by technology

[0018] The object of the present invention is to provide a method and device for generating router connection state announcements. Through the method and device, it is possible to solve the problem that the length of the router connection state announcement exceeds the maximum capacity it can carry due to too much direct connection information in an area. question of length

Method used

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  • Routing device connection status declaring generating method and apparatus
  • Routing device connection status declaring generating method and apparatus
  • Routing device connection status declaring generating method and apparatus

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Embodiment Construction

[0046] The basic idea of ​​the present invention is to simulate a router into multiple virtual routers on a broadcast network, thereby decomposing the connection information carried by one Router-LSA in the prior art to the Router-LSA corresponding to the multiple virtual routers. in. Such as image 3 As shown, a real router RTA is simulated as virtual routers A1 and A2 and corresponding virtual designated routers on a broadcast network, thereby decomposing the direct connection information of router A carried by a Router-LSA into virtual routers. If the routers A1 to A2 correspond to multiple Router-LSAs, it can avoid the problem that the length of a Router-LSA that carries the direct connection information of the router is too large or exceeds the range.

[0047] In the following description, in order to facilitate the distinction between concepts, the above-mentioned real router is called a real router, and the virtual broadcast network composed of virtual routers is called a "...

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Abstract

A method for realizing connection state indication of router in OSPF protocol includes assigning virtual network section address and at least one virtual router identification, loading direct connection information into said indication using virtual router identification as connection state identification, existing network connection using said section address as connection identification in each said indication, generating connection state identification and using it as network connection state indication of said section address, then including virtual router identification in access router domain of network connection state indication.

Description

Technical field [0001] The invention relates to the diffusion of routing information, in particular to a method and device for generating a router connection state announcement. Background technique [0002] With the rapid popularity of the network and the continuous enrichment of network applications, the traffic on the network is constantly expanding. Correspondingly, the scale of the network is also getting larger and larger. To meet this ever-expanding demand, the access and switching capabilities of various network devices must be continuously improved. [0003] In the network, routing information is usually distributed and collected through the Interior Gateway Protocol (IGP, Interior Gateway Protocol) and the Border Gateway Protocol (BGP, Broader Gateway Protocol) protocol. The shortest path first (OSPF, Open Shortest Path First) protocol is a typical IGP protocol. At present, the OSPF protocol has a very wide range of applications. [0004] OSPF allows some network device...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/66H04L12/46
Inventor 冯路杜敏松祝韶晖
Owner 邳州市兴振农业发展有限公司
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