Reducing overhead when using loopback cells for fault...

Details Reducing overhead when using loopback cells for fault... Reducing overhead when using loopback cells for fault...

2006-08-08

2006-08-08

Vu, Huy D. (Department: 2616)

Multiplex communications

Diagnostic testing

Loopback

C370S236000

Reexamination Certificate

active

07088682

ABSTRACT:
An end system (“first end system”) concluding that a bi-directional virtual circuit is operational if the other end system (at the other end of the virtual circuit) has determined that the virtual circuit is operable based on the loopback cells. In other words, the first end system may not send loopback cells, and instead rely on the determination of the other end system. As a result, the total number of loopback cells may be reduced on a network backbone.

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ITU-T Recommendation I.610 (Feb. 1999); Entitled: “Series I: Integrated Services Digital Network Maintenance principles; B-ISDN operation and maintenance principles and functions”; Available from www.atmforum.com ; (116 Pages).

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