Patent ID: 7046642

Claim:
A method for communicating between a first device and a second device using at least one variable parameter, said method comprising: transmitting a first message from the first device to the second device, said first message including first information indicating a length of a sequence number field included in each of a first plurality of transmission frames; receiving said first message at the second device; storing, in response to receiving said first message, said first information in the second device; transmitting said first plurality of transmission frames from the first device; receiving said first plurality of transmission frames at the second device and processing each sequence number field of said first plurality of transmission frames according to said first information stored in the second device; transmitting in response to receiving said first message, a second message from the second device to said first device, said second message including second information indicating a length of a sequence number field included in each of a second plurality of transmission frames; receiving said second message at the first transceiving device; storing in response to receiving said second message, said second information in the first device; transmitting said second plurality of transmission frames from the second device; and receiving said second plurality transmission frames at the first transceiving device, and processing each sequence number field of said second plurality of transmission frames according to said second information stored in said first device.