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Computer communication network having a packet processor with subsystems that are variably configured for flexible protocol handling

  • US 5,943,481 A
  • Filed: 05/07/1997
  • Issued: 08/24/1999
  • Est. Priority Date: 05/07/1997
  • Status: Expired due to Term
First Claim
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1. A communication system adapted for coupling to a public switched telephone network (PSTN), said communication system comprising:

  • a computer system;

    a router interposed within a path of data which exists between the computer system and the PSTN for routing data to and from the computer system, said router comprises;

    a communication port coupled within the path of data, wherein said data is divided into a plurality of packets containing a first set of fields which are formatted according to a first communication protocol;

    means for changing the first set of fields to a second set of fields, wherein the second set of fields conform to a second communication protocol; and

    a processor coupled to receive said plurality of packets, wherein said processor is configured to perform processing in response to said first set of fields during a first time period, and wherein said processor re-configured to perform processing in response to said second set of fields during a second time period,wherein said processor is re-configured by programming at least a portion of an array of logic cells, each logic cell contains both combinatorial logic and sequential logic.

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