hdlc protocol

LIST OF SOME PARAMETERS USED AT THE FRAME LEVEL
TIMER T1
●
●
On timeout of this timer, the first unacknowledged information frame must be
sent again.
Standard values:
T1 = 100, 200, 400, 800, 1600, 2500 ms
TIMER T2
●
Maximum time that a receiver can wait to acknowledge an information frame.
N2
●
●
Maximum number of retransmission of the same information frame.
If this value is reached, the link is considered to be out-of-order.
● Standard value: 10
N1
●
Maximum size of an information frame.
GET/INT/LOR/RIP 28 of 33 October 15, 2007