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US 2018/0006928 A1Published application
Multi-controller control traffic balancing in software defined networks
AssigneeFuturewei Technologies, Inc.
InventorsMin Luo, Shih-Chun Lin, Ian F. Akyildiz
Life of this patent
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Abstract
A method includes determining a number and placement of multiple controllers in a software defined network (SDN) such that each controller controls a different set of software controlled switches in the SDN and finding optimal forwarding paths for control traffic between the switches and controllers to minimize delay of control traffic over the software defined network.
Claims20
A method comprising:
- determining a number and placement of multiple controllers in a software defined network (SDN) such that each controller controls a different set of software controlled switches in the SDN;
- and
- finding optimal forwarding paths for control traffic between the switches and controllers to minimize delay of control traffic over the software defined network.
A computer implemented system comprising:
- processing circuitry;
- a non-transitory storage device coupled to the processing circuitry;
- and
- code stored on the storage device for execution by the processing circuitry to perform operations comprising:
- determining a number and placement of multiple controllers in a software defined network (SDN) such that each controller controls a different set of software controlled switches in the SDN;
- and
- finding optimal forwarding paths for control traffic between the switches and controllers to minimize delay of control traffic over the software defined network.
4 more elements
A non-transitory computer readable storage device having instructions for causing a processor to perform operations comprising:
- determining a number and placement of multiple controllers in a software defined network (SDN) such that each controller controls a different set of software controlled switches in the SDN;
- and
- finding optimal forwarding paths for control traffic between the switches and controllers to minimize delay of control traffic over the software defined network.
Dependencies are inferred from the claim text.