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Data center path switch with improved path interconnection architecture

  • US 9,756,404 B2
  • Filed: 07/02/2015
  • Issued: 09/05/2017
  • Est. Priority Date: 07/03/2014
  • Status: Active Grant
First Claim
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1. A data center path switch, comprising:

  • a set of ports, wherein each port within the set of ports is configured to receive data streams from an external medium, and to transmit data streams to an external medium;

    a path interconnection unit having an ingress side with a set of paths equal to the number of ports in the set of ports connected between the set of ports and the ingress side of the path interconnection unit in a one-to-one arrangement, an egress side with a set of paths equal to the number of paths on the ingress side connected between the set of ports and the egress side of the path interconnection unit in a one-to-one arrangement, and an electrical based switching fabric that is configured to switch data streams on any one ingress side path to any one egress side path such that data streams received on any one of the set of ports and be transmitted on any one of the set of ports, wherein the set of ports for the ingress side is that same set of ports for the egress side; and

    a control unit connected to the path interconnection unit configured to control the switching fabric to switch data streams from a path on the ingress side to a path on the egress side; and

    wherein the latency of data streams switched from a receiving port to a transmitting port is less than 500 nsec.

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