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Method and system for non-destructively switching simulation business of PTN bearing circuit

A technology for carrying circuits and services, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as packet loss, and achieve the effect of improving reliability

Active Publication Date: 2018-01-16
GENEW TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method and system for lossless handover of PTN bearer circuit emulation services in view of the deficiencies in the prior art, so as to solve the problem of one of the working link and the protection link in the existing circuit emulation method. In the event of a failure, there is a problem of packet loss during service switching

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  • Method and system for non-destructively switching simulation business of PTN bearing circuit
  • Method and system for non-destructively switching simulation business of PTN bearing circuit
  • Method and system for non-destructively switching simulation business of PTN bearing circuit

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Embodiment Construction

[0044] The present invention provides a method and system for lossless switching of PTN bearer circuit simulation services. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0045] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elem...

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Abstract

The invention discloses a method and a system for non-destructively switching simulation business of a PTN bearing circuit. The method comprises the following steps: receiving TDM data sent by the first user equipment by the first equipment; packaging the TDM data into two sets of grouped data; and adopting the preset double-channel for respectively receiving the two sets of grouped data and transmitting to the second equipment through two parallel links of PTN. The two sets of grouped data are synchronously sent to the second equipment by the two parallel links, so that the packet of circuitsimulation is not lost when one link is in fault, the TDM is non-destructive in the transmission process and the reliability of the PTN network bearing TDM business is promoted.

Description

technical field [0001] The invention relates to the technical field of packet transmission, in particular to a method and system for lossless switching of PTN bearer circuit emulation services. Background technique [0002] In PTN (Packet Transport Network), a circuit emulation method is used to transmit TDM services. The circuit emulation method encapsulates TDM services into packets, and then transmits the encapsulated packets in the network to reach the destination. Afterwards, the packet is decapsulated to restore the TDM service. In industrial applications (such as communication in power grids), because TDM services transmit services related to power production, the reliability requirements are very high. In order to avoid the loss of TDM data, the existing circuit emulation method generally adopts the 1+1 protection mode of transmission existence. However, in the existing circuit simulation method, when 1+1 protection switching occurs, when the TDM service is restore...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/22H04L12/801
Inventor 周道习
Owner GENEW TECH
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