Multiplex communications – Wide area network – Packet switching
Patent
1983-12-05
1985-05-07
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
3408255, 370 68, 370 94, H04J 300
Patent
active
045162409
ABSTRACT:
A multistation digital communication network of the type wherein station packet signals are transmitted during periodically repeated block times, a plurality of blocks forming a frame, each block time repeating once per frame, the first block of a frame being the master block. Multiple, contiguous empty blocks within a single frame are produced by locating all signal carrying frame blocks and packing them one against the other beginning with the master frame, to thereby form multiple, contiguous signal carrying or used blocks beginning from and including the master block. The remainder of the frame blocks are then contiguous empty blocks capable of receiving new packet signals, several blocks in length. Each station of the multistation network is provided with circuitry for accomplishing the block packing technique and for determining the first and last contiguous empty frame blocks. This allows the station to transmit multiple block long packet signals in the contiguous, empty frame blocks produced by packing the signal carrying frame blocks into contiguous blocks.
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"Ethernet: Distributed Packet Switching for Local Computer Networks", Metcalfe et al., Communications of the ACM, vol. 19, #7, Jul. 1976.
Kume Hiroshi
Tan Yoichi
Fuji 'Xerox Co., Ltd.
Olms Douglas W.
Rokoff Kenneth I.
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