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1. (WO2017063537) DEVICE, SYSTEM AND METHOD FOR SUPPORTING HIGH AVAILABILITY SERVICES IN DTLS USING SECURE SEQUENCE NUMBER NEGOTIATION

Pub. No.:    WO/2017/063537    International Application No.:    PCT/CN2016/101690
Publication Date: Fri Apr 21 01:59:59 CEST 2017 International Filing Date: Tue Oct 11 01:59:59 CEST 2016
IPC: H04L 29/06
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
Inventors: KUPPANNAN, Jayaraghavendran
ASHOK V K, Raja
Title: DEVICE, SYSTEM AND METHOD FOR SUPPORTING HIGH AVAILABILITY SERVICES IN DTLS USING SECURE SEQUENCE NUMBER NEGOTIATION
Abstract:
In one implementation, a method for sequence number negotiation between at least one computing device and at least one peer device, wherein the computing device is configured to operate in a standby mode. The method comprises receiving an indication indicating a switchover; initiating a handshake mechanism with the peer device for sequence number negotiation, using at least one synchronization protocol by generating at least two sequence numbers; transmitting the two sequence numbers to the peer devices using at least one synchronization request message; receiving at least one synchronization response message with a sequence number as a response from the peer device; analyze the response received from the peer device; transmit, based on analysis, at least one synchronization acknowledgement message, to the peer device as an indication of a secure session establishment; communicating, by the processor of the computing device, data to the peer device through the secure session established.