Switching protocal for multiple autonomous switching planes

Details Switching protocal for multiple autonomous switching planes Switching protocal for multiple autonomous switching planes

1986-11-21

1987-11-10

Caldwell, Sr., John W.

Communications: electrical

Continuously variable indicating

With meter reading

3408258, 379272, H04Q 1100, H04Q 500, H04M 300

Patent

active

047061502

ABSTRACT:
A protocol for a switching system that establishes multiple parallel paths between users through multiple autonomous switching planes by having a user desiring connection to issue connection requests to each of the switching planes. According to the invention, the user monitors the number of connections that have been successfully completed and if only some of the connections have been completed, because of conflicting requests, it follows a conflict protocol to issue retry requests to the planes on which the connection request was unsuccessful. Each switching plane follows the conflict protocol to respond to the retry request by disconnecting existing connections and completing at most one retried connection request.

REFERENCES:
patent: 4015204 (1977-03-01), Miyazawa
patent: 4366480 (1982-12-01), Van Hatten
patent: 4400627 (1983-08-01), Zola
patent: 4409592 (1983-10-01), Hunt
patent: 4412322 (0000-01-01), Briley et al.
patent: 4417245 (1983-11-01), Melas et al.
patent: 4531238 (1985-07-01), Rawson et al.
"VLSI Based Interconnection Networks", 1981 IEEE International Symposium on Circuits and Systems Proceedings, pp. 243-247, Chicago, Ill., Apr. 1981, M. A. Franklin, et al.

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