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Scheduling token-controlled data transmissions in communication networks

  • US 20050207755A1
  • Filed: 03/19/2004
  • Published: 09/22/2005
  • Est. Priority Date: 03/19/2004
  • Status: Active Grant
First Claim
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1. An optical node comprising:

  • a data interface operable to receive data for transmission to a plurality of destinations;

    a buffer operable to store the data;

    a transmitting unit operable to couple to an optical transmission medium having a plurality of data channels and to selectively transmit optical signals on the data channels; and

    a controller operable to receive a token authorizing transmission on one of the data channels, to determine a transmission allocation, wherein the transmission allocation represents an amount of time that the authorized data channel may be utilized to transmit the data, to determine a destination allocation, wherein the destination allocation represents a proportion of the transmission allocation that may be utilized to transmit the data to a particular destination, and to transmit the data on the authorized data channel in accordance with the transmission allocation and the destination allocation.

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