Multiplex communications – Wide area network – Packet switching
Patent
1989-06-20
1990-06-05
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 855, 370 8515, H04J 316
Patent
active
049320238
ABSTRACT:
A frame stripping algorithm for use in a ring communication network utilizing early token release wherein multiple frames can exist on the ring at one time. The algorithm introduces two new strip terminating conditions which supplement two of the three conditions applicable to a normal token release scheme. The first of these conditions occurs when the source address in a received message is not the same as the receiving station's address and no code violation errors have been detected. The second condition occurs when the receiving station detects an isolated ending delimiter without a preceding starting delimiter.
REFERENCES:
patent: 4566097 (1986-01-01), Bederman
patent: 4567590 (1986-01-01), Bederman
patent: 4637014 (1987-01-01), Bell et al.
patent: 4674086 (1987-06-01), Szczepanek et al.
Geyer Joel Erwin
Lee Joseph K.
Norman Vernon R.
Wilson Kenneth T.
Hsu Alpus H.
International Business Machines - Corporation
Olms Douglas W.
Timar John J.
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