Method and system for ordering out-of-sequence packets

Details Method and system for ordering out-of-sequence packets Method and system for ordering out-of-sequence packets

1996-03-04

1997-07-15

Ton, Dang

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370902, H04L 1256

Patent

active

056489706

ABSTRACT:
In a packet switched network, a method and system order packets arriving out-of-sequence from a lower service. An ordering service temporarily buffers packets (101-115) while delayed packets arrive and forwards in-sequence packets to an upper service. Delay introduced by buffering does not accumulate as a propagation toleration timer (304) is activated for a predetermined time period (120) while awaiting the arrival of delayed packets or until the delayed packet arrives. Out-of-sequence packets are grouped between a lower-bound and an upper-bound of sequence identifiers to avoid accumulated delay due to repetitive lost packets.

REFERENCES:
patent: 5278828 (1994-01-01), Chao
patent: 5400324 (1995-03-01), Eriksson et al.

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