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Computer network switching system with expandable number of ports

  • US 5,561,669 A
  • Filed: 10/26/1994
  • Issued: 10/01/1996
  • Est. Priority Date: 10/26/1994
  • Status: Expired due to Term
First Claim
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1. A switching fabric circuit comprising:

  • a plurality of ports each coupled to a corresponding one of a plurality of local area network (LAN) segments;

    a switching link coupled to the plurality of ports for receiving requests for data transfer operations from the plurality of ports during a synchronization period, for prioritizing the requests for data transfer operations according to a high priority and a low priority during the synchronization period, and for granting requests for data transfer operations such that ports requesting data transfer operations at the high priority are guaranteed access to the switching link during the synchronization period, and such that ports requesting data transfer operations at the low priority are provided access to the switching link for a remainder of the synchronization period.

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