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1. (WO2017166932) METHOD AND APPARATUS FOR DETERMINING SERVICE STATE

Pub. No.:    WO/2017/166932    International Application No.:    PCT/CN2017/073554
Publication Date: Fri Oct 06 01:59:59 CEST 2017 International Filing Date: Thu Feb 16 00:59:59 CET 2017
IPC: H04L 12/24
Applicants: ZTE CORPORATION
中兴通讯股份有限公司
Inventors: LIU, Xiaohua
刘小花
HE, Zhongyong
何忠勇
LI, Xu
李旭
Title: METHOD AND APPARATUS FOR DETERMINING SERVICE STATE
Abstract:
The present invention provides a method and an apparatus for determining a service state. The method is applied to a provider edge (PE) device, and comprises: setting, when it is determined that the service state of a local PE device access side is abnormal, a pseudo wire (PW) control word to enable the PW control word to carry service state abnormality information, and sending a PW packet carrying the PW control word to a peer end PE device connected to the local PE device. The method for determining a service state on the basis of a PW control word provided by the present invention can directly determine a state according to the PW control word without configuring OAM or BFD, thereby saving network bandwidths and improving the detection efficiency.