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Real time mesh measurement system stream latency and jitter measurements

  • US 7,260,627 B2
  • Filed: 08/16/2002
  • Issued: 08/21/2007
  • Est. Priority Date: 02/18/2000
  • Status: Expired due to Fees
First Claim
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1. A method of measuring system latency and latency jitter regarding packets of information from sources to destinations, comprising:

  • 1) as the packets of information pass through a plurality of locations formed by components of a network, said locations between sources and destinations of said packets, generating time-stamps at said locations distinct from said packets of information, each time-stamp identifying the packet of information, including time-stamp information based on a real-time clock set to a universal standard; and

    2) analyzing at each of the said plurality of locations the time-stamps generated at the plurality of locations in order to determine component latency and latency jitter as said packets traverse from sources to destinations; and

    3) applying said analysis of the time-stamps for a plurality of sources and a plurality of destinations on a real-time basis so as to determine a real-time multiple end-to-end latency and latency jitter representing a real-time mesh view of latency and latency jitter regarding the network.

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