Aiding OpenFlow controller by enhancing OpenFlow's control model, and behaviour of flows

Othman M.M. Othman, Koji Okamura

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    This paper shows our design of a hybrid control model for flow-based networks designed to aid the OpenFlow controller. There are many research efforts related to the flow-based networks; however, our work was inspired by OpenFlow (McKeown, et al., 2008) technology. OpenFlow is a promising future Internet enabling technology; especially that it was counted as a key enabler technology for Software Defined Networks (SDN) as explained in (Open Networking Foundation, 2012). And thus, it has a great potential to improve the current Internet by providing new functionalities and a new control scheme and thus enabling new smarter applications to be created. However, there have been some debates regarding the scalability of the OpenFlow's controller; this is due to the design of OpenFlow as it depends on a centralized controller to control flows. Our study aims to provide flow-based networks with a hybrid control model that combines both central control and distributed control, in order to provide a more relaxed control. This is done by designing two new features; network equipment to equipment flow installation, and a new type of proactive flows. Through which we aim to relieve some of the load off the central controller, make flow-based networks more self-aware, and provide a method to support flows with strict timing requirements. This hybrid control model is proposed as a step forward towards encouraging a wider adoption of flow-based networks as an easily programmed network that holds a great potential as a future Internet technology.

    Original languageEnglish
    Title of host publicationTNC 2013 - Innovating Together
    PublisherTERENA
    ISBN (Electronic)9789077559239
    Publication statusPublished - 2013
    Event29th TERENA Networking Conference: Innovating Together, TNC 2013 - Maastricht, Netherlands
    Duration: Jun 3 2013Jun 6 2013

    Publication series

    NameTNC 2013 - Innovating Together

    Conference

    Conference29th TERENA Networking Conference: Innovating Together, TNC 2013
    CountryNetherlands
    CityMaastricht
    Period6/3/136/6/13

    All Science Journal Classification (ASJC) codes

    • Computer Networks and Communications

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