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Method and device for realizing grouping and joint self-routing of OTN (Optical Transport Network) signal

A routing and signal technology, applied in the field of optical network communication, can solve the problems of manual routing configuration, increase networking cost, and complicate equipment, and achieve the effect of reducing complexity

Active Publication Date: 2012-04-11
FENGHUO COMM SCI & TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art equipment, packet signals can be routed more conveniently, but for OTN (Optical Transport Network, Optical Transport Network) signals, manual routing is required
In this way, in the combined network of TDM service + packet service, the equipment will be complicated and the cost of networking will be increased.

Method used

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  • Method and device for realizing grouping and joint self-routing of OTN (Optical Transport Network) signal
  • Method and device for realizing grouping and joint self-routing of OTN (Optical Transport Network) signal
  • Method and device for realizing grouping and joint self-routing of OTN (Optical Transport Network) signal

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0030] Such as figure 1 As shown, the method for realizing joint self-routing of packet and OTN signal described in the present invention comprises the following steps:

[0031] Step 101, at the signal sending / receiving end as a transmission node, according to preset or automatically identified service configuration management information, classify the input services according to packet services and OTN services;

[0032] Step 102, when the input service is a packet service and the output is also a packet service, the routing of the packet service is performed according to the current packet service routing method;

[0033] Step 103, when the input service is an OTN service, according to the preset service routing information, input the service routing information into the TTI (Trail trace identifier, path trace identifier) ​​bytes or other reserved bytes; ...

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Abstract

The invention relates to a method and device for realizing grouping and joint self-routing of an OTN (Optical Transport Network) signal. The method provided by the invention comprises the following steps of: dividing an input service into a grouping service and an OTN service by a signal sending / receiving end; with regard to the OTN service, inputting service routing information into a TTI (Trial Trace Identifier) byte or other reserved bytes spent by an ODUk (Optical Channel Data Unit) in the OTN signal; in a routing selecting unit, judging the signal through a framing / packet module; selecting a method to carry out routing of the grouping service by a grouping signal according to the existing grouping service routing, so as to determine a transport path; obtaining the service routing information in the TTI byte or the other reserved bytes of the ODUk by the OTN signal and then selecting a routing address according to address information in the extracted service routing information and an address table in the routing selecting unit, so as to determine the transport path. With the adoption of the method and the device provided by the invention, the routing information of the grouping signal and the OTN signal can be adaptively identified, and the transport path can be intelligently selected at a transport node, so that the complexity of manual operation is reduced.

Description

technical field [0001] The invention relates to the technical field of optical network communication, in particular to a method and device for realizing joint self-routing of grouping and OTN signals. Background technique [0002] No matter from the perspective of long-distance transmission of services or the rapid growth of IP services in the future, it is very necessary to adopt the joint networking mode of TDM (time division multiplexing) service + packet service. Considering the many advantages of the joint networking mode, it is recommended to use the joint networking mode for the construction of the metropolitan local network except in areas where there is no TDM service or the TDM service cannot cover the backbone core points in a short period of time. The TDM service + packet service joint networking mode, with its powerful IP service access, aggregation and flexible scheduling capabilities, will help promote the evolution of the metropolitan area transmission networ...

Claims

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Application Information

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IPC IPC(8): H04Q11/00H04B10/12H04L45/74
Inventor 陈德华王雅琴汪俊芳张铮郭志霞黄诚勇
Owner FENGHUO COMM SCI & TECH CO LTD
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