Method and apparatus for performing cut-through virtual...

Details Method and apparatus for performing cut-through virtual... Method and apparatus for performing cut-through virtual...

H - Electricity

04

L

H04L 12/56 (2006.01)

Patent

CA 2277958

In the event no completely assembly packets have been received and scheduled for transmission (102), a partially received packet is selected for cut- through transmission prior to receipt of all cells comprising the packet (108). Transmission of the selected packet is initiated and a timer is started (110). If the timer expires prior to the receipt of an end of packet indication for the packet for which transmission has commenced (112), an end of packet signal is generated (114) and cut-through packet is aborted (116). In this manner, delays associated with packet reassembly may be avoided and buffer sizes of reassembly buffers may be reduced.

Dans le cas où des paquets incomplètement assemblés auraient été reçus et programmés pour la transmission (102), un paquet partiellement reçu est sélectionné pour être envoyé de manière transparente avant le réception de toutes les cellules constituant le paquet (108). La transmission du paquet sélectionné est initiée et une horloge est déclenchée (110). Si l'horloge s'arrête avant la réception d'une indication de fin-de-paquet associée au paquet dont la transmission a commencé (112), un signal de fin-de-paquet est généré (114) et la transmission du paquet transparent est abandonnée (116). De cette manière, les retards associés au réassemblage des paquets peuvent être évités et la taille des tampons de réassemblage peut être réduite.

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