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Method of controlling communication network incorporating virtual channels exchange nodes and virtual paths exchange nodes

  • US 5,572,523 A
  • Filed: 06/07/1995
  • Issued: 11/05/1996
  • Est. Priority Date: 10/16/1990
  • Status: Expired due to Fees
First Claim
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1. A method of controlling cell transfer from a VC (virtual channel) exchange node for carrying out cell exchange operations in units of VC in a communication network, comprising the steps of:

  • storing cells to be transmitted from the VC exchange node separately for each VP (virtual path) in at least logically divided shaping buffers;

    controlling an output rate for each VP from the shaping buffers such that a cell flow of each VP is controlled within prescribed traffic characteristics specified to each VP;

    multiplexing the cells outputted from the shaping buffers; and

    storing the cells multiplexed at the multiplexing step in an output buffer, and outputting the cells stored in the output buffer to a physical transmission path according to a transmission rate of the physical transmission path.

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