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Method for transmitting singlecast service in resilient packet ring

A technology of elastic packet ring and forwarding method, which is applied in the direction of ring network, digital transmission system, data exchange network, etc., can solve the problems of occupying bandwidth resources and low forwarding efficiency, and achieve the effect of improving utilization rate and efficiency

Inactive Publication Date: 2006-02-15
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method for forwarding unicast services in an elastic packet ring, so as to solve the problem that all bridge sites on the packet ring in the prior art will receive data, resulting in low forwarding efficiency and unnecessary occupancy The problem of bandwidth resources

Method used

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  • Method for transmitting singlecast service in resilient packet ring
  • Method for transmitting singlecast service in resilient packet ring
  • Method for transmitting singlecast service in resilient packet ring

Examples

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Embodiment Construction

[0035] The implementation process of the present invention includes sending and receiving two specific implementation processes: refer to Figure 4 is a schematic diagram of the sending process of the method of the present invention.

[0036] Sending process:

[0037] In step 310, the destination address of the forwarded data is matched in the address table of the bridge. The matching method can adopt common retrieval methods such as hash (hash), and the composition of the address table can be defined according to specific applications. Generally, Information such as address and port. The condition for a successful match is that the destination address is consistent with the address recorded in the address table;

[0038] Step 320, if the match is successful, there is an entry about the destination address in the address table, indicating that the destination address is a remote address, and the address is on another bridge site on the ring. Then execute step 330; otherwise...

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PUM

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Abstract

This invention discloses a transposition method for unicast business in elastic grouping ring, which comprises the sending process and receiving process. Wherein, during the sending process, looking for the corresponding address of connected bridge site according to objective address in transposed data; if OK, adding the said address into objective address domain in frame head and transpose the data with unicast form; or else, adding the said objective address into said address domain and transposes the data widely; during the receiving process, deciding whether the site in received data matches with correlated address in the said address or the objective address; if yes, transposes the data to objective site; or else, sending the transposed data to lower site in grouping ring. The invention increases transposition efficiency and decreases occupation to ring bandwidth.

Description

technical field [0001] The invention relates to a method for forwarding unicast services in the scenario of remote end and source in an elastic packet ring device. Background technique [0002] In the technical standard IEEE802.17d3.2 of Resilient Packet Ring (RPR: Resilient Packet Ring), the forwarding in the most commonly used scenarios of remote and source (remote-source) is described, such as figure 1 , figure 2 and image 3 shown. The user site connected to the bridge site S2 sends data to the non-bridge site S7 ( figure 2 shown), or send data to the user site connected under the bridge site S6 ( image 3 Shown), are all flooding (flood) way. In this case, the RPR frame header is filled with the address of the final site, and the data will pass through all sites on the ring and go on and off the ring at all bridge sites. [0003] Since all unicast services are carried out in the form of flooding, all bridge sites on the packet ring will receive the data and judg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/42H04L12/70
Inventor 李振刚俞杰周峰轮
Owner ZTE CORP
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