System and method for enabling remote surveillance of ATM...

Details System and method for enabling remote surveillance of ATM... System and method for enabling remote surveillance of ATM...

2006-06-20

2006-06-20

Pham, Chi (Department: 2667)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S395100, C370S395300, C370S409000

Reexamination Certificate

active

07065080

ABSTRACT:
In an ATM cell-relay network usually comprising several switching nodes a method enabling remote surveillance of any entry port to any switching node of the network. The method first assumes that a path is set up from the entry port to a remote observation point. Then, all cells of the incoming traffic, entering entry port to be watched, are duplicated and marked. After which they are transported, unaltered, following the path, up to the observation point. The invention permits that any entry port of an ATM network, that may well span over large geographic areas, be conveniently observable and analyzed transparently i.e., without disturbing users traffic, from a remote location so as network can be maintained and run trouble free.

REFERENCES:
patent: 5305311 (1994-04-01), Lyles
patent: 5677905 (1997-10-01), Bigham et al.
patent: 5991297 (1999-11-01), Palnati et al.
patent: 6404740 (2002-06-01), Yoshida
patent: 6606302 (2003-08-01), Delattre et al.
patent: 6633543 (2003-10-01), Storr
patent: 6636510 (2003-10-01), Lee et al.
patent: 2003/0021279 (2003-01-01), Shobatake

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