Method and apparatus for estimating delay and jitter between...

Details Method and apparatus for estimating delay and jitter between... Method and apparatus for estimating delay and jitter between...

2005-04-26

2005-04-26

Vanderpuye, Kenneth (Department: 2661)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S389000

Reexamination Certificate

active

06885642

ABSTRACT:
A delay measurement technique according to an embodiment according to the present invention is based on the precept, ascertained by the inventors, that a link between network nodes will often contribute to the delay encountered between several different pairs of network nodes. Such a technique identifies the path between each pair of nodes by a list of links that form the path. Paths that are orthogonal are treated as being necessary for describing the delays encountered between nodes, and, once the requisite set of orthogonal paths has been derived, all other paths can be described in terms of one or more of these orthogonal paths. Such a technique also lends itself to matrix representation of the paths, and the use of matrix manipulation techniques in deriving delay and jitter.

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