Method for detecting and reducing packet drops

Details Method for detecting and reducing packet drops Method for detecting and reducing packet drops

2008-07-21

2009-06-23

Mills, Donald L (Department: 2416)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S235000, C370S468000

Reexamination Certificate

active

07551621

ABSTRACT:
A method for detecting and reducing packet drops in a communications system may include receiving a first packet having a sequence number, determining if a second packet having a sequence number immediately preceding the sequence number of the first packet is lost, and/or determining if a third packet having a sequence number immediately preceding the sequence number of the second packet is lost. A counter may be incremented if the second and third packets are determined as lost. An amount of time required before detecting link activity after an end of a previous frame may be reduced if the counter violates the count threshold and the amount of time has not been previously reduced. A lower link speed may be negotiated if a current link speed is above a negotiable threshold and the amount of time required before detecting link activity has been previously reduced.

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