Method for aligning of packet loss priority information

Details Method for aligning of packet loss priority information Method for aligning of packet loss priority information

H - Electricity

04

Q

H04Q 11/04 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2352135

Data packets (DPx) and respectively allocated packet loss priority information (CLPx) are transmitted to a communications device (ATM-KE) and buffered in relation to a specific connection. Said packet loss priority information (CLPx) is then read from the buffered data packets (DPx) and modified according to the connection type or the application-specific data traffic type. After the data packet (DPx) has been switched in the communications device (ATM-KE), the original packet loss priority information which was switched with the data packets (DPx) is reinserted into the corresponding data packet (DPx).

Selon l'invention, des paquets de données (DPx) et des informations de priorité de pertes de paquets (CLPx) associées respectivement à ces derniers sont transmis à une installation de communication (ATM-KE), puis mis en mémoire tampon, de façon spécifique à chaque liaison. Ensuite, l'information de priorité de pertes de paquets (CLPx) est extraite des paquets de données (DPx) mis en mémoire tampon et est modifiée en fonction du type de liaison ou du type de trafic de données spécifique à l'application. Après commutation du paquet de données (DPx) dans l'installation de communication (ATM-KE), l'information de priorité de pertes de paquets (CLPx), initiale, transmise avec les paquets de données (DPx), est réinsérée dans le paquet de données (DPx) correspondant.

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