Gigabit ethernet interface to synchronous optical network (SONET) ring

  • US 6,222,848 B1
  • Filed: 12/22/1997
  • Issued: 04/24/2001
  • Est. Priority Date: 12/22/1997
  • Status: Expired due to Term
First Claim
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1. A method for routing data packets at a transport node of a SONET network comprising:

  • (a) receiving SONET payloads having data packets at said transport node;

    (b) removing said data packets for said SONET payloads;

    (c) for each data packet of said data packets;

    (i) determining a destination address;

    (ii) determining if an entry exists in a table associated with said transport node matching said destination address; and

    (iii) if a matching entry does not exist, queuing said each data packet on a first queue for a first output path and a copy of said each data packet on a second queue for a second output path;

    (d) transmitting selected data packets from said first queue onto said first output path; and

    (e) transmitting selected data packets from said second queue into said second output path.

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