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Implementation system and method of igp protocol multi-process cspf in mixed networking

A technology for hybrid networking and system implementation, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as inability to meet flexible network configuration requirements, and achieve the goals of improving efficiency, enhancing flexibility, and expanding the scope of application Effect

Active Publication Date: 2017-11-07
FENGHUO COMM SCI & TECH CO LTD
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  • Claims
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AI Technical Summary

Problems solved by technology

Therefore, traditional configuration methods can no longer meet the flexible network configuration requirements

Method used

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  • Implementation system and method of igp protocol multi-process cspf in mixed networking
  • Implementation system and method of igp protocol multi-process cspf in mixed networking
  • Implementation system and method of igp protocol multi-process cspf in mixed networking

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Embodiment Construction

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0027] see figure 2 As shown, an implementation system of IGP protocol multi-process CSPF in a hybrid network includes a CSPF server and a CSPF client, and the CSPF server includes an ISIS server and an OSPF server, and both the ISIS server and the OSPF server are There is a CSPF enabling list; the ISIS server and the OSPF server use different port numbers respectively. The CSPF client includes an ISIS client and an OSPF client, and an API (Application Programming Interface, Application Programming Interface) is used between the ISIS server and the ISIS client, and between the OSPF server and the OSPF client The interface is connected.

[0028] The types of interactive messages between the CSPF server and the CSPF client include: routing request message, which is sent by the CSPF client to request the CSPF server for route calculation with ...

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Abstract

A system and method for realizing IGP protocol multi-process CSPF in a hybrid network, relating to the technical field of data and IP transmission equipment communication, the system includes a CSPF server and a CSPF client, and the CSPF server includes an ISIS server and an OSPF service end, and both the ISIS server end and the OSPF server end are provided with a CSPF enabling list; It is connected to the OSPF client through the API interface. The invention realizes the method of supporting two IGP protocols of OSPF and ISIS at the same time, and enabling CSPF for multiple processes, and meets the requirement of flexible network configuration.

Description

technical field [0001] The invention relates to the technical field of data and IP transmission equipment communication, specifically a system and method for realizing IGP protocol multi-process CSPF in hybrid networking. Background technique [0002] In RSVP-TE (Resource Reservation Protocol-Traffic Engineering, a resource reservation protocol based on traffic engineering expansion), the link characteristics and topology information of the network are diffused through IGP (Interior Gateway Protocols, Interior Gateway Protocol) and stored in TED (Traffic Engineering Database, traffic engineering library), CSPF (Constrained Shortest Path First, constrained shortest path first) algorithm is based on some specific constraints (such as bandwidth, link attributes, management weight, etc.), using TED to calculate an ER (Explicit Route, explicit routing), this ER will be used by RSVP-TE or CR-LDP (Constraint-Routing Label Distribution Protocol, based on routing-constrained label di...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/733H04L45/122
CPCH04L45/02
Inventor 周劲松吴淑珩张峰
Owner FENGHUO COMM SCI & TECH CO LTD
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