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Lossless switching method and device of ptn network and lossless switching ptn system

A network and transmission line technology, applied in the field of lossless handover PTN system, can solve the problems that lossless handover cannot be realized

Active Publication Date: 2020-08-14
GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a lossless switching method and device for a PTN network and a lossless switching PTN system for the problem that traditional protection methods cannot achieve lossless switching

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  • Lossless switching method and device of ptn network and lossless switching ptn system

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Embodiment Construction

[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0034] see figure 1 as shown, figure 1 It is the lossless handover method flowchart of PTN network, the lossless handover method of PTN network of the present invention, comprises the steps:

[0035] S101. Receive E1 service data through the first transmission line and the second transmission line respectively.

[0036] In this step, the protection device receives the E1 service data of the first transmission line and the E1 service data of the second transmission line through the first transmission line and the second transmission line respectively.

[0037] Wherein, the E1 service data of the ...

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Abstract

The invention relates to a PTN network lossless switching method and device, and a lossless switching PTN system. The PTN network lossless switching method comprises the following steps: receiving E1service data through a first transmission line and a second transmission line; monitoring the alarm state of the interface of the first transmission line and the alarm state of the interface of the second transmission line; performing data recovery processing on the E1 service data of the first transmission line if the line quality of the first transmission line is better than the line quality ofthe second transmission line; performing data recovery processing on the E1 service data of the second transmission line if the line quality of the second transmission line is better than the line quality of the first transmission line; and sending the E1 service data after the data recovery processing to second user equipment. According to the PTN network lossless switching method, when one of the transmission lines fails, it can switch to another transmission line to receive the E1 service data; and the lossless switching of the E1 service data is realized after the data recovery processing.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a lossless switching method and device of a PTN network and a lossless switching PTN system. Background technique [0002] Packet Transport Network (PTN) supports a variety of bidirectional point-to-point connection channels based on packet switching services. It has end-to-end networking capabilities suitable for various coarse and fine-grained services. The business of the relay protection system and the business of the safety and stability control system in the production control area of ​​the application system are the two businesses with the most demanding requirements on the performance of the communication transmission channel. The relay protection system mainly adopts two communication methods: 2M multiplexing of the primary (E1) line and direct connection of optical fiber. The 2M multiplexing adopts the Time Division Multiplexing (TDM) protocol, and the transmissi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/032H04L1/22
CPCH04B10/032H04L1/22
Inventor 衷宇清王敏毛为民王浩李俊浩吴刚安志峰庄仲黄捷梁克林陈永涛
Owner GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD