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Multi-jumping pseudo-line fault detecting reporting and maintenance protocol controlling method

A fault detection and multi-hop pseudo-wire technology, which is applied in the field of packet switching networks, can solve the problems of unable to report multi-hop pseudo-wire fault end-to-end maintenance, unable to select maintenance strategies, etc.

Inactive Publication Date: 2006-10-18
HUAWEI TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0009] The present invention provides a multi-hop pseudo-wire fault detection and reporting method to solve the problem of being unable to report multi-hop pseudo-wire faults and perform end-to-end maintenance in the prior art. Based on this, the present invention also proposes a multi-hop pseudo-wire fault maintenance method Line negotiation control method to solve the problem that the corresponding maintenance strategy cannot be flexibly selected according to equipment capabilities

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  • Multi-jumping pseudo-line fault detecting reporting and maintenance protocol controlling method
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  • Multi-jumping pseudo-line fault detecting reporting and maintenance protocol controlling method

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[0046] Technical idea of ​​the present invention is in:

[0047] 1. When the PE device supports the OAM mode of the segment, in order to transparently transmit the fault information of the segment to the terminal PE in an end-to-end OAM mode, the present invention first provides a new message type: FIN (Fault Information Notification , fault indication message) message, through which the fault information on the PW segment is transmitted to the MS-PW terminal PE.

[0048] 2. Based on the FIN message of the present invention, another solution of the present invention is based on the end-to-end (E2E) OAM mode. When a certain PW segment fails, the downstream PE (S-PE) can pass the FIN The message notifies the U-PE of the fault information on the PW in this segment, thereby triggering U-PE fast switching, alarm suppression, and alarm reporting.

[0049] 3. Based on the E2E OAM method described in the present invention, the present invention also provides an operation and maintena...

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Abstract

A method for controlling detection and report as well as maintenance -consultation of fault at multijump pseudoline ( MP ) includes transmitting end to end monitoring message sent from source end node to terminal node by interchange node to realize end to end monitoring, sending fault notification message with fault information to downstream terminal node when fault is monitored by interchange node, carrying fault monitoring and reporting ability information in message being set up at course of setting up MP to let terminal enable to select maintenance manner in accordance with preset policy flexibly according to the last support ability.

Description

technical field [0001] The invention relates to a packet switching network, in particular to a fault detection, reporting and maintenance negotiation control method of a multi-hop pseudowire. Background technique [0002] PSN (Packet Switch Network, packet switched network) is a development trend of the current transport network convergence, that is, traditional services are migrated to the converged network, and the converged network must be able to meet the needs of new service development. The PSN network has received considerable attention due to its high bandwidth utilization (statistical multiplexing) and the gradual improvement of its QOS guarantee capability. (Asynchronous Transfer Mode, Asynchronous Transfer Mode) Private line services are migrated to the PSN to reduce operating costs and improve service deployment capabilities. PSN networks mainly include MPLS (Multiple Protocol Label Switching) networks, L2TP (Layer 2 Tunneling Protocol, Layer 2 Tunneling Protoco...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04L12/70
CPCH04L41/0677H04L43/50H04L45/28H04L45/50
Inventor 董继雄
Owner HUAWEI TECH CO LTD
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