Distributed processing of route selection across networks and su

Communications: electrical – Continuously variable indicating – With meter reading

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340826, 340827, 370 54, H04Q 1104, H04L 1120

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active

053980123

ABSTRACT:
The process for determining the best communication route from a source end station to a destination end station is distributed over both source and destination network nodes. Network nodes, at the interface between a wide area network (WAN) and each subnetwork, contain access agents to control the communication flow between the wide area network and an end station in the subnetwork. The task of selecting the best route between two end stations is distributed between the access agents at the WAN interface in the first subnetwork, and the access agents at the WAN interface in the second subnetwork. Each access agent at one WAN interface obtains the best route from itself to the end station in its subnetwork. Each access agent at the other WAN interface finds the best route from each access agent at the first WAN interface through itself to the end station in its subnetwork. One designated access agent collects all the best route information. This best route information is concatenated, and the route with the least weight is selected as the best route between end stations.

REFERENCES:
patent: 4873517 (1989-10-01), Baratz et al.
patent: 5193151 (1993-03-01), Jain
SIGCOMM '90 Symposium, vol. 20, No. 4, Sep. 4, 1990, Philadelphia, Pa. "Topology Distribution Cost vs. Efficient Routing in Large Networks" by A. Bar-Noy and M. Gopal, pp. 242-252.
IEEE INFOCOM '88, Mar. 27, 1988, New Orleans, La., "Distributed Routing Using Topology Database in Large Computer Networks" by K. Jeong Lee and B. Kadaba, pp. 593-602.

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