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Method of dynamic prioritization of time sensitive packets over a packet based network

  • US 6,760,309 B1
  • Filed: 03/28/2000
  • Issued: 07/06/2004
  • Est. Priority Date: 03/28/2000
  • Status: Expired due to Term
First Claim
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1. A method for dynamically prioritizing time sensitive packets for transmission over a packet based network, said method comprising the steps of:

  • adding, at an originator of said packet, a time to live (TTL) value field to time sensitive packets wherein said TTL value is set to an initial value;

    determining, at each network entity along the path, a priority level for each time sensitive packet received, said priority level determined in accordance with the TTL value extracted from said packet;

    distributing each time sensitive packet to one of a plurality of queues in accordance with the priority associated with said packet; and

    replacing said TTL value field in said packet with the previous TTL value modified to reflect the time said packet spent in the current network element.

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