Method and apparatus mapping the physical topology of EDDI netwo

Details Method and apparatus mapping the physical topology of EDDI netwo Method and apparatus mapping the physical topology of EDDI netwo

1994-06-20

1996-01-02

Geckil, Mehmet

Multiplex communications

Wide area network

Packet switching

370 8515, 370 16, 364DIG1, 36424294, 3642821, G06F 1300

Patent

active

054816742

ABSTRACT:
An apparatus and method for generating a topology map representing the physical connectivity between devices on an FDDI network. A network management station constructs a connectivity table by first selecting a port which feeds a medium access controller (medium access controller) and whose external connectivity is unknown. The network management station then determines the upstream neighbor medium access controller of the medium access controller fed by the selected port. The network management station then determines the port which is fed by the output of the upstream neighbor medium access controller. The network management station then enters data into the table indicating an external connection between the selected port and the port which is fed by the output of the upstream neighbor medium access controller. The port feeding the input of the upstream neighbor medium access controller is then selected, and the process is repeated to establish the external connectivity of the port feeding the input of the upstream neighbor medium access controller. If a selected port does not directly feed a medium access controller, downstream connections are traced to determine the medium access controller directly downstream from the selected port.

REFERENCES:
patent: 5226120 (1993-07-01), Brown et al.
patent: 5319644 (1994-06-01), Liang
patent: 5333270 (1994-07-01), Brief et al.
patent: 5396495 (1995-03-01), Moorwood et al.
patent: 5414704 (1995-05-01), Spinney
patent: 5425017 (1995-06-01), Copley et al.

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