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Hierarchical controller clusters for interconnecting two or more logical datapath sets

  • US 10,091,028 B2
  • Filed: 08/17/2012
  • Issued: 10/02/2018
  • Est. Priority Date: 08/17/2011
  • Status: Active Grant
First Claim
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1. A network control system for managing a set of switching elements in a network, the network control system comprising:

  • a first set of network controllers for managing a first set of forwarding elements, that enable communication between a first set of machines, by defining a first logical datapath set to which the machines of the first set logically connect;

    a second set of network controllers for managing a second set of forwarding elements, that enable communication between a second set of machines, by defining a second logical datapath set to which the machines of the second set logically connect, the second set of forwarding elements separate from the first set of forwarding elements and the second set of machines separate from the first set of machines; and

    a third set of network controllers for managing the first and second sets of network controllers, in order to enable communication between machines in the first set of machines and machines in the second set of machines, by defining a third logical datapath set to which the machines of the first and second sets of machines logically connect.

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