Large capacity, multiclass core ATM switch architecture

  • US 6,324,165 B1
  • Filed: 09/05/1997
  • Issued: 11/27/2001
  • Est. Priority Date: 09/05/1997
  • Status: Expired due to Term
First Claim
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1. An ATM switch capable of supporting streams of different classes having various quality of service requirements, comprising:

  • a core switch comprising;

    a TDM bus;

    a plurality of input ports connected to said TDM bus;

    a plurality of output buffers connected to said TDM bus;

    a plurality of output ports connected to respective output buffers; and

    a multicast output buffer connected to each of said output ports;

    a plurality of input modules connected to input side of said core switch, each of said input modules comprising;

    a plurality of output port planes corresponding to the number of said output ports, each of said output port planes having a plurality of input buffers;

    an input module scheduler for scheduling cells in said input buffers;

    a plurality of output modules connected to output side of said core switch, each of said output modules comprising;

    a plurality of output line planes, each having a plurality of output line buffers coupled to an output line;

    an output module scheduler for scheduling cells in said output buffers.

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