Frame strip method and apparatus therefor

Details Frame strip method and apparatus therefor Frame strip method and apparatus therefor

1990-09-17

1993-06-29

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 8514, H04J 316

Patent

active

052240967

ABSTRACT:
A frame strip method for a bridge circuit for transparently forwarding data between a plurality of LANs (Local Area Network) without frame infinite circulation. The numbers of transmission/receive frames are counted. In counting the number, the validity/invalidity of a transmission frame is judged in accordance with the kind of the transmission frame. The validity/invalidity and strip/receive of a receive frame are judged in accordance with the kind of the receive frame. In accordance with the numbers of valid transmission/receive frames, a receive frame is stripped from the transmission line if the condition of (transmission frame number)>(receive frame number) is met.

REFERENCES:
patent: 4932023 (1990-06-01), Geyer et al.
patent: 5111453 (1992-05-01), Morrow
Henry Yang, et al., "Proposal on Frame Stripping for Bridges in FDDI", Digital Equipment Corp., Jun. 16, 1989, pp. 1-12.
S/N 520,712, Takada, et al., Filing date May 8, 1990.

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