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Packet switched interconnection protocols for a star configured optical lan

  • US 4,797,879 A
  • Filed: 06/05/1987
  • Issued: 01/10/1989
  • Est. Priority Date: 06/05/1987
  • Status: Expired due to Term
First Claim
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1. A method of transmitting packets of information in an optical local area network (LAN) including a plurality of M optical transceivers connected to a Star coupler, the method comprising the steps of:

  • in transmitting information from a first transceiver to a second transceiver,(a) transmitting a control information packet at a random time period over a first wavelength division multiplex (WDM) channel using a first access protocol, the control information packet including information relating to (1) a unique identification of the first transceiver, (2) a unique identification of the second transceiver, and (3) an identification of a randomly chosen one of a plurality of N second WDM channels used to transmit data packets, where M>

    N; and

    (b) immediately after step (a), transmitting an associated data packet over the chosen one of the plurality of N second WDM channels indicated in the control information packet transmitted in step (a) using a second access protocol.

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