Network bridge

Details Network bridge Network bridge

1993-12-22

1995-03-21

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370 8513, H04L 1254

Patent

active

054003261

ABSTRACT:
A bridge for interconnecting data networks includes an adapter connected to each network and a central programmed processor. Each adapter includes a receive and a transmit FIFO storage which is less than the packets being transferred from one network to the other. The control program generates Receive Buffer Descriptors which include buffer pointers, buffer length fields and pointers to next descriptors. These Descriptors are used by the adapters to buffer received packets which are directed to another network. When a packet is buffered the control program generates Transmission Descriptors which are used by the adapter to transfer packet data to the other network. The control program modifies packet when needed by by generating and storing in its memory only the modified portion and including in the Receive Buffer Descriptor pointers which the buffered information which is to be transmitted and the sequence.

REFERENCES:
patent: 5136580 (1992-08-01), Videlock et al.
patent: 5229994 (1993-06-01), Balzano
patent: 5305319 (1994-04-01), Sowell
patent: 5307345 (1994-04-01), Lozowick et al.

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