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Single chip network router

  • US 5,640,399 A
  • Filed: 09/18/1995
  • Issued: 06/17/1997
  • Est. Priority Date: 10/20/1993
  • Status: Expired due to Term
First Claim
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1. A single chip router for a multiplex communication network, comprising:

  • a packet memory for storing data packets;

    a processor for processing said packets including converting said packets between a first protocol and a second protocol;

    at first protocol interface unit;

    a second protocol interface unit;

    a memory controller for transferring packets in said first and second protocols between the processor and the memory, for transferring packets in said first protocol between the memory and the first protocol interface unit and for transferring packets in said second protocol between the memory and the second protocol interface unit; and

    an address window filter for identifying a source or destination address of a packet being processed by examining only a predetermined portion of said address;

    the address window filter including a dynamic window filter.

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