×

Switching device utilizing requests indicating cumulative amount of data

  • US 20050135356A1
  • Filed: 12/22/2003
  • Published: 06/23/2005
  • Est. Priority Date: 12/22/2003
  • Status: Active Grant
First Claim
Patent Images

1. A switching device comprising a plurality of ingress ports to receive data from external sources;

  • a plurality of egress ports to transmit data to external destinations;

    a plurality of queues to store data waiting to be transmitted from a particular ingress port to a particular egress port;

    a request generator to generate requests for permission to transmit data for the queues, wherein a request indicates a cumulative amount of data contained in a respective queue;

    a switching matrix to provide selective connectivity between the plurality of ingress ports and the plurality of egress ports; and

    a scheduler to receive the requests, generate grants based thereon, and configure the switching matrix, wherein said scheduler operates on a pipeline schedule and modifies the requests received to account for grants generated in current period or previous period that are not reflected in the queues yet.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×