Communication channel establishment method and system

Details Communication channel establishment method and system Communication channel establishment method and system

2011-05-03

2011-05-03

Ngo, Ricky (Department: 2464)

Multiplex communications

Channel assignment techniques

C370S392000, C370S328000

Reexamination Certificate

active

07936773

ABSTRACT:
The present invention provides a communication channel establishment method that establishes a communication channel used particularly when a cipher communication is carried out. Where a packet indicative of an ISAKMP message transmitted from a second communication device to a first communication device is awaited when a communication channel between the first and second communication devices is established via an IP network, the time taken to wait for the packet is counted by a corresponding packet waiting timer at random intervals. When a packet other than the sequence of each packet expected to be transmitted from the second communication device is received, the packet is accepted to establish the communication channel.

REFERENCES:
patent: 7155740 (2006-12-01), Brustoloni
patent: 2003/0191843 (2003-10-01), Balissat et al.
patent: 2007/0016663 (2007-01-01), Weis
patent: 2005020215 (2005-01-01), None

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