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Device and method for looped network protection switching

A protection switching and ring network technology, applied in the field of communication, can solve problems such as long time, and achieve the effect of improving efficiency and shortening time

Active Publication Date: 2014-01-15
ZTE CORP
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Problems solved by technology

[0006] The present invention provides a ring network protection switching device and method to at least solve the problem of long time required for ring network protection switching in the related art

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  • Device and method for looped network protection switching
  • Device and method for looped network protection switching
  • Device and method for looped network protection switching

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Embodiment Construction

[0035] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0036] This embodiment provides a ring network protection switching device, such as figure 2 As shown, the ring network protection switching device includes: a protection logic processing module 202, which is used to obtain the transmission information of the node where the protection logic processing module is located, and when it is detected that the working tunnel section where the node is located fails, determine whether to Switching, wherein the transmission information includes: the ring network where the node is located is used to transmit service flow information before and after the protection switching; the protection switching execution module 204 is connected to the protection logic proc...

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Abstract

The invention provides a device and method for looped network protection switching. The device for looped network protection switching comprises a protection logic processing module and a protection switching execution module. The protection logic processing module is used for obtaining transmission information of a node where the protection logic processing module is located, and judging whether switching is needed or not under the condition that a fault occurring on an operation tunnel section where the node is located is detected, wherein the transmission information comprises information used for transmitting a service flow before protection switching is conducted on a looped network where the node is located, and information used for transmitting the service flow after protection switching is conducted on the looped network where the node is located. The protection switching execution module is used for conducting switching on the node according to transmission information after the protection logic processing module determines that switching is needed and the protection switching execution module receives the transmission information, sent by the protection logic processing module, of the node. According to the device and method for looped network protection switching, the problem that the time needed by looped network protection switching is long in the relative technology is solved, so that the time needed by looped network protection switching is effectively shortened and the efficiency of looped network protection switching is improved.

Description

technical field [0001] The present invention relates to the communication field, in particular to a ring network protection switching device and method. Background technique [0002] The explosive growth of IP services and the emergence of a large number of data services have made the Synchronous Digital Hierarchy (SDH) technology with Time Division Multiplex (TDM) circuit switching as the core unable to adapt to the business. Packet Transfer Network (PTN) technology with IP packet switching as the core came into being to meet the needs of packet transmission. packet delivery platform. Due to the importance of PTN carrying services in the short term and the comprehensiveness of long-term carrying services, the reliability of the PTN network is extremely important. Therefore, the research on the protection methods of the PTN network is an indispensable work in the PTN technology research. [0003] PTN network protection includes linear protection and ring network protection...

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Application Information

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IPC IPC(8): H04L12/24H04L12/437
Inventor 杨晖姚芳
Owner ZTE CORP
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