Software defined networking: Meeting carrier grade requirements

Staessens, Dimitri, Sharma, Sachin, Colle, Didier, Pickavet, Mario and Demeester, Piet (2011) Software defined networking: Meeting carrier grade requirements. In: 18th IEEE Workshop on Local and Metropolitan Area Networks (LANMAN), 13-14 October 2011, Chapel Hill, NC, USA.

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Abstract

Software Defined Networking is a networking paradigm which allows network operators to manage networking elements using software running on an external server. This is accomplished by a split in the architecture between the forwarding element and the control element. Two technologies which allow this split for packet networks are For CES and Openflow. We present energy efficiency and resilience aspects of carrier grade networks which can be met by Openflow. We implement flow restoration and run extensive experiments in an emulated carrier grade network. We show that Openflow can restore traffic quite fast, but its dependency on a centralized controller means that it will be hard to achieve 50 ms restoration in large networks serving many flows. In order to achieve 50 ms recovery, protection will be required in carrier grade networks.

Item Type:	Conference or Workshop Item (Paper)
Subjects:	Q Science > QA Mathematics > Electronic computers. Computer science T Technology > T Technology (General) > Information Technology > Electronic computers. Computer science Q Science > QA Mathematics > Computer software T Technology > T Technology (General) > Information Technology > Computer software
Divisions:	School of Computing > Staff Research and Publications
Depositing User:	Caoimhe Ní Mhaicín
Date Deposited:	30 Oct 2019 17:39
Last Modified:	05 Nov 2020 11:36
URI:	https://norma.ncirl.ie/id/eprint/4097

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