DocumentCode :
2425722
Title :
Implementation and Evaluation of a Carrier-Grade OpenFlow Virtualization Scheme
Author :
Skoldstrom, Pontus ; John, Wolfgang
Author_Institution :
Acreo Swedish ICT AB, Kista, Sweden
fYear :
2013
fDate :
10-11 Oct. 2013
Firstpage :
75
Lastpage :
80
Abstract :
Software Defined Networking (SDN) concepts are seen as suitable enablers for network virtualization, especially in the Data Center Network domain. However, also carrier network operators can benefit from network virtualization, since it allows new business models, promising economical benefits through sharing the cost of network infrastructure in e.g. multi-tenancy or service-isolation scenarios. Such use-cases pose additional requirements on virtualization schemes, including strict performance and information isolation, transparency of the virtualization system, high availability, as well as low CAPEX and OPEX demands. In order to fulfill these requirements, we previously proposed a flexible virtualization scheme for OpenFlow. In this paper we discuss the implementation of the proposed scheme and point out relevant lessons learned during the process, leading to architectural and technological updates. We then evaluate the system in terms of data path performance: the impact on forwarding latency is negligible, while the impact on network throughput is depending on the type of traffic and the choice of encapsulation technology. In summary, the overhead can be kept small and would not significantly affect a production network. Thus, we conclude that the minor performance degradations are outweighed by the benefits of the virtualization system.
Keywords :
computer centres; computer networks; virtualisation; CAPEX; OPEX demands; SDN; business models; carrier network operators; carrier-grade OpenFlow virtualization scheme; data center network domain; data path performance; encapsulation technology; flexible virtualization scheme; forwarding latency; network infrastructure; network throughput; network virtualization scheme; production network; software defined networking; Control systems; Delays; Encapsulation; Multiprotocol label switching; Ports (Computers); Software; Virtualization; OpenFlow; SDN; carrier networks; virtualization;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Software Defined Networks (EWSDN), 2013 Second European Workshop on
Conference_Location :
Berlin
Type :
conf
DOI :
10.1109/EWSDN.2013.19
Filename :
6680562
Link To Document :
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