The retransmission interval for SPP packets does not appear to adapt to the round-trip time of the connection. Interlisp uses 2*RTT, based on the time to receive the next packet when an ACK is requested, or a user-level timeout, whichever is longer. The default initial RTT estimate is 1000ms.
The retransmission interval for SPP packets does not appear to adapt to the round-trip time of the connection. Interlisp uses 2*RTT, based on the time to receive the next packet when an ACK is requested, or a user-level timeout, whichever is longer. The default initial RTT estimate is 1000ms.