[psamp] signalling a patent

[Maurizio Molina <molina@ccrle.nec.de>]

Hi,
just wanted to bring to the group's attention that there's a U.S. patent 
potentially affecting applications making use of PSAMP (basically, delay 
estimation).
Here the references:
Title: "Method and apparatus for non-intrusive measurement of round trip 
delay in communication networks"
Author: J. Ennis Jr et al.
Assignee: Visual Networks, Inc. Rockville, Md.
Patent #: 5,521,907
Date: May 28, 1996

Maurizio



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