Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
INTERNET PROTOCOL SECURE TUNNEL MAINTENANCE METHOD, APPARATUS AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/161639
Kind Code:
A1
Abstract:
Disclosed are an Internet protocol secure tunnel maintenance method, apparatus and system. The present application relates to the technical field of communications, and is capable of solving the problem of a VPN gateway interrupting a service for a terminal device when an IP address of the terminal device is changed. The method comprises: a terminal device negotiating, based on a first IP address and an IKE protocol, with a VPN gateway, and constructing an IPSec tunnel according to an SA obtained by negotiation; the terminal device determining that the first IP address changes to a second IP address; the terminal device sending a first request message to the VPN gateway, wherein the first request message carries the second IP address and a first tunnel identification, the first request message is used for requesting an update for a first SA record, and the first SA record includes the correlation between the SA, the first IP address and the first tunnel identification; the terminal device generating a second tunnel identification according to the second IP address and a pre-set algorithm; and the terminal device replacing the first tunnel identification in a second SA record with the second tunnel identification.

More Like This:
Inventors:
ZHU XIAOMING (CN)
BAI WENXIN (CN)
KONG JIN (CN)
Application Number:
PCT/CN2017/112357
Publication Date:
September 13, 2018
Filing Date:
November 22, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04L12/26; H04L12/24; H04L29/06
Foreign References:
CN105376239A2016-03-02
CN106411676A2017-02-15
CN102843368A2012-12-26
CN102594646A2012-07-18
Download PDF: