Multiplex communications – Wide area network – Packet switching
Patent
1995-03-08
1996-10-29
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 8513, 370 60, H04L 1246
Patent
active
055703658
ABSTRACT:
In a bridge for interconnecting local area networks, header detectors are associated respectively with the LANs for detecting a packet header contained in a packet transmitted from the associated LAN to a destination LAN. Registration tables are associated respectively with the LANs to store information representing packets which are to be protected from interference by other packets. Comparators are respectively associated with the header detectors as well as with the registration tables for comparing the packet header detected by the associated header detector with the information stored in the associated registration table to detect a match or mismatch. Gate circuits are associated respectively with the comparators for responding to the match for preventing the other packets from being forwarded to the destination LAN and responding to the mismatch for allowing the other packets to be forwarded to the destination LAN.
REFERENCES:
patent: 5058109 (1991-10-01), Goldberg et al.
patent: 5132966 (1992-07-01), Hayano et al.
patent: 5144622 (1992-09-01), Takiyasu et al.
patent: 5390176 (1995-02-01), Schoute et al.
patent: 5461611 (1995-10-01), Drake, Jr. et al.
Blum Russell W.
NEC Corporation
Olms Douglas W.
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