Method for improving the transmission of information in the form of data packets, in accordance with a distributed queueing protocol

Methode pour ameliorer la transmission de l'information sous la forme de paquets de donnees selon un protocole de mise en file d'attente reparti

Abstract

Method for improving the transmission of information in the form of data packets, in accordance with a distributed queuing protocol. By combining the measures according to the invention with time slot erasure techniques and with queuing protocols such as the DQDB (Distributed Queue Dual Bus) and the D3Q (Dynamic Distributed Dual Queuing) protocol, a protocol is obtained with which the capacity of the transmission system can be utilised in a more efficient manner. To this end provision is made, according to the invention, that each access unit which is able to erase data is able to reset received request bits, the number of request bits to be reset by said access unit being recorded in said access units for the relevant transmission channel and a request bit on a transmission channel being reset by the access unit which receives said request bit if the number of request bits to be reset by said access unit on said channel is greater than the number of request bits still to be transmitted by said access unit over said channel. In this way requests are prevented from remaining in access unit counters unnecessarily, moreover, by means of the measures according to the invention, the principle of both protocols can also be used in a ring structure, which without said measures would irrevocably lead to considerable problems.

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