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Convenus: Congestion verification of network updates in software-defined networks | IEEE Conference Publication | IEEE Xplore

Convenus: Congestion verification of network updates in software-defined networks


Abstract:

We present ConVenus, a system that performs rapid congestion verification of network updates in software-defined networks. ConVenus is a lightweight middleware between th...Show More

Abstract:

We present ConVenus, a system that performs rapid congestion verification of network updates in software-defined networks. ConVenus is a lightweight middleware between the SDN controller and network devices, and is capable to intercept flow updates from the controller and verify whether the amount of traffic in any links and switches exceeds the desired capacity. To enable online verification, ConVenus dynamically identifies the minimum set of flows and switches that are affected by each flow update, and creates a compact network model. ConVenus uses a four-phase simulation algorithm to quickly compute the throughput of every flow in the network model and report network congestion. The experimental results demonstrate that ConVenus manages to verify 90% of the updates in a network consisting of over 500 hosts and 80 switches within 5 milliseconds.
Date of Conference: 11-14 December 2016
Date Added to IEEE Xplore: 19 January 2017
ISBN Information:
Electronic ISSN: 1558-4305
Conference Location: Washington, DC, USA

References

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