Method for forming routing information in an ATM communication n

Details Method for forming routing information in an ATM communication n Method for forming routing information in an ATM communication n

1996-12-17

1998-11-03

Patel, Ajit

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370351, H04L 1224, H04L 1256

Patent

active

058319824

ABSTRACT:
For the connection setup between output switching nodes and a target switching node of an ATM communication network consisting of subnetworks, a best route, as well as the relevant routing information, is determined such that alternate routes are also taken into account. The alternate routes are thereby loops via one or several further subnetworks to a not-yet-passed reentry node of the already-passed subnetwork. The method is particularly suited for ATM communication networks whose signaling takes place according to the PNNI protocol.

REFERENCES:
Computer Networks and ISDN Systems, vol. 12, No. 1, Aug. 1986, A.E. Baratz, Establishing Virtual Circuits in Large Computer Networks, pp. 27-37.
Computer Communication Review, vol. 25, No. 2, Apr. 1995, W.C. Lee, Topology Aggregation For Hierarchical Routing in ATM Networks, pp. 82-92.
Computer Communication Review, vol. 7, No. 1, Jan. 1977, C.A. Sunshine, Source Routing in Computer Networks, pp. 29-33.
IEEE Journal on Selected Areas in Communication, vol. 7, No. 8, Oct. 1989, V.R. Saksena, Topological Analysis of Packet Networks, pp. 1243-1252.
ATM Forum 94-0471R14, Appendix H: Route Generation Algorithm, pp. 314-321.

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