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1. (WO2018098718) PATH ESTABLISHMENT METHOD AND APPARATUS

Pub. No.:    WO/2018/098718    International Application No.:    PCT/CN2016/108112
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Dec 01 00:59:59 CET 2016
IPC: H04W 40/02
H04W 76/02
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
华为技术有限公司
Inventors: WEI, Xinpeng
魏鑫鹏
Title: PATH ESTABLISHMENT METHOD AND APPARATUS
Abstract:
The present application relates to the technical field of communications. Disclosed are a path establishment method and apparatus, for use in optimizing a transmission path of a service flow. The method comprises: a first SGW sends, to a second SGW, an eNB discover message that carries an identifier of a service flow and that is used for instructing the second SGW to obtain an eNB connected by a second UE, the service flow being a service flow that is sent by the first UE and whose final receiver is the second UE; and the first SGW receives the identifier that is sent by the second SGW and that indicates an eNB connected by the second UE, and if it is determined, according to the identifier of the eNB connected by the second UE, that the eNB connected by the first UE is the same as the eNB connected by the second UE, the first SGW sends, to the eNB connected by the first UE, a path establishment message that carries an identifier of a service flow and that is used for instructing the eNB connected by the first UE to establish, for the service flow, a new path that passes through the first UE, the eNB connected by the first UE and the second UE.