Variable length packet switching system

Details Variable length packet switching system Variable length packet switching system

1987-02-24

1987-11-03

Weldon, Ulysses

Communications: electrical

Continuously variable indicating

With meter reading

370 82, H04Q 100

Patent

active

047046066

ABSTRACT:
A packet switching system is disclosed for transmitting variable length packets between system ports. Each byte of each packet has a special one-bit field for indicating whether the byte is the last byte of a packet. A "1" in this field specifies that the byte is the last byte of a packet and activates port control circuitry that changes the potential on a system control conductor to indicate that the system data bus is now idle and free for use by other ports.

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Wecker, "Computer Network Architectures", Computer, Sep. 1979, pp. 58-71.
Bass et al., "Local Network Gives New Flexibility to Distributed Processing", Electronics, Sep. 25, 1980, pp. 358-366.
"Design and Use of Comflex-a Hardware-Controlled Packet Switch", IEE Proc., vol. 127, Pt. E, No. 6, J. A. McDermid, Nov. 1980.

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