Multiplex communications – Wide area network – Packet switching
Patent
1986-09-11
1988-09-13
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 88, 370 94, 34082505, H04J 300
Patent
active
047714247
ABSTRACT:
In a communication network, in which a plurality of switching nodes are connected with each other through a plurality of relay lines and one of the switching nodes acts as a center node for network routing, the center node estimates the state of delay of data for every relay line on the basis of information previously inputted, indicating the communication network configuration, and the state of delay of data reported by each of the switching nodes, and informs each of the switching nodes of said estimated state of delay of data. Each of the switching nodes determines and selects the relay line giving the shortest delay of data for every destination, to which it outputs data, on the basis of the state of delay at the relevant switching node itself and that received from the center node.
REFERENCES:
patent: 4320500 (1982-03-01), Barberis et al.
patent: 4399531 (1983-08-01), Grande et al.
patent: 4510600 (1985-04-01), Tan
patent: 4551833 (1985-11-01), Turner
STC 77 Conference Record, vol. 2; "Routing Algorithms for Computer Networks--A Survey"; Part 1-3, pp. 28:1-1 to 28:1-5 McQuillan.
Patent Abstracts of Japan, vol. 5 No. 11, 23 Jan 1981 JP-A-55 140 350.
Proceedings of the 7th International Conference on Communications, Applying Dynamic Routing for a General Network Architecture"; 10/30/84 to 11/2/84; pp. 716-721.
Hoshi Tohru
Kanoh Takashi
Kashio Jiro
Suzuki Michio
Takeuchi Yasushi
Hitachi , Ltd.
Hitachi Seibu Soft Ware Co.
Olms Douglas W.
Scutch III Frank M.
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