Importance

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Abstract

A system and method for equalizing delay in a dynamic packet switching network using transmit and receive buffers. The network includes a plurality of user access stations each equipped with a transmit buffer and a receive buffer, and a plurality of switches and communication links interconnecting the user access stations. A control station having communication links to the switches and user access stations operates to set up and change transmission paths between the user access stations, and to control the buffers in the user access stations to equalize packet transmission delay through the network and to eliminate packet rate doubling upon changing transmission paths. The system also includes a buffer shifting feature whereby a controlled buffering in a transmitting user access station is gradually shifted to a buffer in a receiving user access station during a period of time following a change from a longer transmission path to a shorter transmission path.

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First Claim