Boots – shoes – and leggings
Patent
1989-04-07
1991-05-28
Shaw, Gareth D.
Boots, shoes, and leggings
364919, 3649352, 3649353, 36494092, 370 941, 370 60, G06F 1314, H04L 1256
Patent
active
050200208
ABSTRACT:
A computer interconnect system uses packet data transmission over serial links connecting nodes of a network. The serial links may provide simultaneous dual paths for transmit/receive. An adapter couples a CPU or the like at a node to the serial link. The adapter includes a packet memory for temporarily storing transmit packets and receive packets, along with a port processor for executing the protocol. Packets of data are transferred between the system bus of the CPU and the packet memory by a pair of data movers, one for read and one for write. All of the serial links of the system are connected to a distribution hub which forwards a transmitted packet to a destination node based upon an address sent with the packet. If the path to the destination node is busy, the hub returns a "flow control" signal to the source node, and in response to this signal the transmitted packet is aborted so that time on the network is not wasted by needless transmission that must be discarded.
REFERENCES:
patent: 4450572 (1984-05-01), Stewart et al.
patent: 4777595 (1988-10-01), Strecker et al.
patent: 4780869 (1988-10-01), Engdahl et al.
Black, U., Computer Networks, 1987, 138-143, 1-11, 52-54, 396-413.
Boaen Yerell
Lary Richard
Pomfret Stephen T.
Digital Equipment Corporation
Loomis John C.
Shaw Gareth D.
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