Network topology control method and apparatus

Details Network topology control method and apparatus Network topology control method and apparatus

1988-07-25

1990-10-23

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 943, H04J 324

Patent

active

049657917

ABSTRACT:
A method and apparatus for controlling the topology of a local area network (LAN) configured as a ring of trees. The stations comprising the LAN are limited to single access stations (SAS), dual access stations (DAS), wire concentrators (WC), and DAS/WC combination stations. The topology control requires the exchange of connection type information only between immediately adjacent stations. The resulting simplicity in the information exchange requirments allows validation and rejection of invalid connections or reconfiguration of the network topology to be implemented as low as the Physical layer of the ISO model.

REFERENCES:
patent: 4587651 (1986-05-01), Nelson et al.
patent: 4644532 (1987-02-01), George et al.
patent: 4825206 (1989-04-01), Brice et al.
Rom et al., "A Reconfiguration Algorithm for a Double-Loop Token-Ring Local Area Network," IEEE Transactions on Computers, vol. 37, No. 2, Feb. 1988.
A. S. Tanenbaum, "Computer Networks," Prentice Hall, Inc., pp. 16-21, 1981.

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