Multiplex communications – Diagnostic testing – Determination of communication parameters
Reexamination Certificate
2011-06-14
2011-06-14
Trost, IV, William (Department: 2472)
Multiplex communications
Diagnostic testing
Determination of communication parameters
C370S241000, C370S229000, C370S238000
Reexamination Certificate
active
07961642
ABSTRACT:
A method of determining the state of network links based on differences in corresponding distance-vectors in a sequence routing table updates, and a network management system performing the method. The network management system comprises least one monitoring apparatus adapted to determine the state of network links. The monitoring apparatus may be a router in the network adapted to determine link status, or a personal computer or server peered with a router and configured to determine the state of network links based on differences in corresponding distance-vectors in a sequence of routing table updates.
REFERENCES:
patent: 6442144 (2002-08-01), Hansen et al.
patent: 7013347 (2006-03-01), Moen
patent: 7636318 (2009-12-01), Nandy et al.
patent: 2006/0007865 (2006-01-01), White et al.
patent: 2007/0016670 (2007-01-01), Cooper
Agrawal Dakshi
Beygelzimer Alina
Ko Bong Jun
Srivatsa Mudhakar
F. Chau & Associates LLC
International Business Machines - Corporation
Liu Siming
Trost, IV William
Young, Esq. Preston J.
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