Integration of synchronous and asynchronous traffic on rings

Details Integration of synchronous and asynchronous traffic on rings Integration of synchronous and asynchronous traffic on rings

1991-10-04

1993-09-14

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 855, H04J 302

Patent

active

052456056

ABSTRACT:
A method and apparatus for controlling the transmission of a first class of traffic which is transmitted on a ring network with a second class of traffic. This invention provides for the transmission of a first control signal where both classes of traffic may be transmitted on the ring if current protocols permit. This first control signal will be changed to a second control signal if, after the first control signal is transmitted at least once around the network, the first control signal reaches a station having a backlog of second class traffic. The second control signal is transmitted once around the ring network to indicate to each station that it may not transmit the first class traffic. The first class of traffic is usually asynchronous data, while the second class of traffic is usually synchronous data.

REFERENCES:
patent: 4538147 (1985-08-01), Grow
patent: 4926418 (1990-05-01), Cidon et al.
patent: 5065397 (1991-11-01), Shiobara

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