Telephonic communications – Plural exchange network or interconnection – Connection call model
Patent
1986-12-16
1989-08-29
Brown, Thomas W.
Telephonic communications
Plural exchange network or interconnection
Connection call model
340827, H04M 700
Patent
active
048624969
ABSTRACT:
A method and apparatus for routing traffic in a circuit switched network. A call between two nodes interconnected by a direct link is first offered to the direct route, and if that is blocked it is offered to a currently nominated two-link alternative route between the two nodes. If that route is busy, the call is lost, and a randomly chosen two-link route is assigned to be the new current nominated alternative route. The strategy is particularly effective because it is simple, available routes are quickly located and once one available route is found, that same route is used for rerouting further calls until it is full. Trunk reservation protection is applied on alternative routes.
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patent: 4004103 (1977-01-01), Liu et al.
patent: 4348554 (1982-09-01), Asmuth
patent: 4669113 (1987-05-01), Ash et al.
patent: 4704724 (1987-11-01), Krishman et al.
"Managing a Network That Won't Sit Still", Mocenigo and Tow, AT&T Bell Laboratories Record, Aug. 1984, pp. 23-26.
Gibbens Richard J.
Kelly Francis P.
Key Peter B.
Stacey Roger R.
Turton Paul A.
British Telecommunications public limited company
Brown Thomas W.
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