Title:
SERVICE FAULT LOCATION METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/000802
Kind Code:
A1
Abstract:
Provided in an embodiment of the present invention are a service fault location method and device capable of precisely locating a network fault in a multi-layer OAM architecture network. The method comprises: receiving service fault location request information; determining, according to a characteristic parameter, IPS and IPD of a service message, that a service fault is located between a layer one and three (L1-3) device and a layer two and three (L2-3) device; acquiring a first network topology between the L1-3 device and the L2-3 device; determining, according to the first network topology and the characteristic parameter of the service message, that the service message is in a first forwarding path between the L1-3 device and the L2-3 device; configuring a forwarding table entry of a forwarding device in the first forwarding path, and triggering the L1-3 device to create an extended layer two (L2) OAM message; and acquiring a first path parameter of the first forwarding path transmitted by the forwarding device, and determining, according the first path parameter, a specific location of the service fault.
Inventors:
LI CONGJUAN (CN)
LI FENG (CN)
LI FENG (CN)
Application Number:
PCT/CN2016/086379
Publication Date:
January 05, 2017
Filing Date:
June 20, 2016
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04L12/24
Foreign References:
| CN102984011A | 2013-03-20 | |||
| CN101986604A | 2011-03-16 | |||
| CN103716172A | 2014-04-09 | |||
| US6700873B1 | 2004-03-02 |
Other References:
See also references of EP 3300301A4
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