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Addressing technique for storing and referencing packet data

  • US 5,477,541 A
  • Filed: 12/13/1993
  • Issued: 12/19/1995
  • Est. Priority Date: 09/29/1989
  • Status: Expired due to Term
First Claim
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1. A method of processing packets for storage in a communications system memory device, each packet comprising a header having a circuit identification (ID) field, a packet length field, an address type field, an address length field, an address field, a frame-check sequence field and an information field, the method comprising the steps of:

  • using the circuit ID field content of a packet as a pointer into a plurality of memory registers that hold control information for a plurality of virtual circuits;

    accessing the memory register corresponding to the content of the circuit ID field, said memory register further comprising a size field;

    comparing the content of the packet length field to the content of the size field in the accessed memory register; and

    determining whether the packet'"'"'s information field content will be stored, based on the comparison.

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