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Opaque packet handles

  • US 6,732,187 B1
  • Filed: 09/24/1999
  • Issued: 05/04/2004
  • Est. Priority Date: 09/24/1999
  • Status: Expired due to Term
First Claim
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1. A computer-implemented method for providing packet processing routines with access to packets comprising:

  • initializing a packet manager version counter of said packet manager routine;

    receiving a request for access to a selected packet, said request comprising a packet handle, said packet handle including an identifier specifying a run version of a packet manager routine and an identifier specifying said selected packet;

    comparing said run version specified in said packet handle against a current value of the packet manager version counter of said packet manager routine to determine if said run version indicates that said packet handle was provided by a current version of said packet manager routine; and

    rejecting said request if said run version indicates said packet handle was not provided by said current version of said packet manager routine.

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