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Resilient packet ring business transport method

An elastic packet ring network and elastic packet ring technology, applied in the field of communication, can solve the problems of RPR ring network processing complexity and low transmission efficiency, and achieve the effect of simplifying multi-layer complex processing, simple signaling transmission, and reduced occupation

Inactive Publication Date: 2008-02-20
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0012] The purpose of the present invention is to provide a method for transmission of a flexible packet ring network, to solve the problem of complex processing and low transmission efficiency in the RPR ring network in the business layer transmission signaling mode in the prior art, and to ensure the safe and reliable transmission of RPR signaling while simplifying product design

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  • Resilient packet ring business transport method
  • Resilient packet ring business transport method
  • Resilient packet ring business transport method

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Embodiment Construction

[0043] The core of the present invention is to use the GPF (General Framing Protocol) layer to carry the signaling protocol in the RPR ring network, and encapsulate the PRR header in the payload frame header extension area of ​​GFP, and realize each node through the channel formed by the GFP encapsulation layer. Communication between signaling and business data.

[0044] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0045] At first the GFP frame structure used in the present invention is made a simple explanation:

[0046] The GFP frame format is defined in detail in the G.7041 standard. The GFP frame structure is shown in FIG. 4 , including two parts, the GFP frame header (Core Header) and the GFP payload area (GFP Payload Area). Wherein, the GFP frame header includes: frame length identific...

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Abstract

Using extension word field in head of payload frame in general framing protocol carries information of frame head in resilience packet ring (RPR). Based on format of frame in general frame process protocol, supervisory frame in RPR network is setup. Through supervisory frame in RPR network manages transport service in RPR network. The invention raises efficiency for packaging user's service data and use ratio of bandwidth in physical layer, simplifies system design and lowers cost.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method for transmitting services in an elastic packet ring network. Background technique [0002] At present, with the development of the Internet, the data traffic is growing explosively, which provides new requirements for the development of the metropolitan area network that acts as a link between the enterprise network and the wide area network. Resilient packet data ring RPR technology is a new network architecture and technology designed to meet the requirements of packet-based metropolitan area network; it is a ring network composed of packet switching nodes. Its topology is shown in Figure 1. The adjacent Nodes are connected by a pair of optical fibers; its network topology is based on two rings transmitting in opposite directions. [0003] RPR (Resilient Packet Ring) technology is a MAC (Media Access Control Layer) layer protocol that optimizes data service tra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/42
CPCY02A30/00
Inventor 彭忠文周建伟
Owner HUAWEI TECH CO LTD
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