Method and apparatus for performing reachability testing...

Details Method and apparatus for performing reachability testing... Method and apparatus for performing reachability testing...

2004-09-30

2010-02-16

Ngo, Ricky (Department: 2464)

Multiplex communications

Diagnostic testing

Fault detection

C370S248000

Reexamination Certificate

active

07664043

ABSTRACT:
In one embodiment, the invention comprises a method and apparatus for verifying connectivity in a network comprising a plurality of provider edge routers and a plurality of customer edge routers facilitating communication within at least one customer virtual private network. In another embodiment, the invention comprises a method for determining respective operational statuses of edge communication links between provider edge routers and customer edge routers. In another embodiment, the invention comprises a method for verifying site-to-site reachability within the context of customer virtual private networks.

REFERENCES:
patent: 7124187 (2006-10-01), Kodialam et al.
patent: 7154851 (2006-12-01), Fedyk et al.
patent: 2002/0131424 (2002-09-01), Suemura
patent: 2005/0022189 (2005-01-01), Proulx et al.
patent: 2005/0094567 (2005-05-01), Kannan et al.
patent: 2005/1028120 (2005-12-01), Karol et al.
patent: 2006/0203719 (2006-09-01), Kim et al.

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