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Looped network and its service realizing method

A ring network and business technology, applied in the field of network communication, achieves the effects of simple processing, improved protection speed and efficiency, and simple and clear configuration

Inactive Publication Date: 2006-04-05
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] The purpose of the present invention is to provide a kind of ring network and its service realization method, to overcome the shortcoming of RPR ring network in the prior art, solve the intercommunication of cross-ring business, provide better QoS protection and abundant SLA (service level agreement)

Method used

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  • Looped network and its service realizing method
  • Looped network and its service realizing method
  • Looped network and its service realizing method

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Embodiment Construction

[0070] The core of the present invention is to use MPLS technology to build a ring network technology independent of physical topology and specific physical layer technology, a virtual MPLS ring network, and a dual-channel bidirectional ring network composed of multiple nodes on the same logical level. The topology of the virtual ring network is shown in Figure 3, including:

[0071] Multiple nodes on the same logical layer are used to connect services to the ring network or receive services from the ring network; adjacent nodes are connected through two virtual channels in opposite directions to transmit service data between nodes; Service data can be carried by different physical links.

[0072] Two virtual channels form two rings with opposite directions: the west ring and the east ring. The west ring transmits services clockwise, and the east ring transmits services counterclockwise. The services accessed or received by nodes on the ring adopt the standard MPLS frame struc...

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Abstract

The invention discloses a method for realizing the looped network and its service, wherein, said looped network comprises a plurality of nodes in same logical layer for accessing the service into looped network or receiving service from the looped network; each two nearby nodes are connected via two reverse visual channels which is used to carry the adapting service data; and a physical chain circuit for carrying the service data adapted to said visual channel. The realizing method based on said looped network comprises: constructing a LSP dispatching table on every node; attaining service father node on the service source node according to the service LSP dispatching table; dispatching the service to the looped network according to the preset dispatching algorism; reusing the services of different nodes via the LSP method into one visual channel to be transmitted; and dispatching the service out the looped network on the service father node. The invention can supply the telecommunication on the network and improve the bandwidth utilization.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a ring network and a service realization method thereof. Background technique [0002] With the vigorous development of the Internet (Internet), people also put forward higher requirements for network applications. MPLS (Multiprotocol Label Switching) technology is a new technology developed to solve the problems of fast forwarding of packets, QoS (Quality of Service) guarantee and traffic engineering in IP network. It absorbs some ideas of ATM (Asynchronous Transfer Mode) VPI / VCI (Virtual Channel Identifier / Virtual Circuit Identifier) ​​switching, seamlessly integrates the flexibility of IP routing technology and the simplicity of Layer 2 switching. The connection-oriented attribute of MPLS has been added to the IP network of the Internet. The method of establishing LSP (Label Switching Path) by using MPLS adds some management and operation means to the IP networ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/42H04L12/56H04L29/06
CPCH04L12/4637H04L45/50H04L12/437H04L45/00
Inventor 王玉祥万怀雪曾理
Owner HUAWEI TECH CO LTD
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