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Switching architecture with packet encapsulation

  • US 9,544,080 B2
  • Filed: 06/20/2014
  • Issued: 01/10/2017
  • Est. Priority Date: 05/03/2002
  • Status: Expired due to Term
First Claim
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1. A system for passing Time Division Multiplexing (TDM) traffic through a packet switch, comprising:

  • a packet switch having a plurality of data ports and being capable of routing Fixed Size Data Unit (FSDU) packets between the plurality of data ports;

    a TDM encapsulation circuit coupled to a data flow of TDM data and having a circuit demultiplexer for processing an incoming data flow of TDM data to buffer data associated with different TDM circuits into different buffer locations, a timer for monitoring a frame boundary,a FSDU generator for generating an FSDU and filling the generated FSDU with data associated with a respective one of the TDM circuits and for generating header information representative of information for allowing the packet switch to route the generated FSDU to a port associated with the respective one of the TDM circuits; and

    a jitter buffer for reducing variable delays arising from passing through the packet switch, wherein the jitter buffer has a size selected to maintain jitter below 125 microseconds.

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