Multiplex communications – Wide area network – Packet switching
Patent
1995-12-07
1996-10-15
Kizou, Hassan
Multiplex communications
Wide area network
Packet switching
370 17, 370 14, 379 26, H04J 314
Patent
active
055661629
ABSTRACT:
In telecommunications involving more than one network, it is important to determine the location of a fault which may occur on a connection so that the responsible network administrator can be identified and appropriate remedial measures can be promptly performed. The invention allows sectionalization of trouble on a connection which spans more than one network administrative domain. It uses NE (near-end), FE (far-end) and Int. (intermediate) monitoring signals specific to separate layered entities associated with the connection.
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patent: 5337306 (1994-08-01), Hall
patent: 5422929 (1995-06-01), Hurst et al.
patent: 5450394 (1995-09-01), Gruber et al.
Burdett Gregory P.
Gruber John G.
Kizou Hassan
Northern Telecom Limited
Toyooka Yoshiharu
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