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dc.contributor.authorTrajkovska, Irena-
dc.contributor.authorKourtis, Michail-Alexandros-
dc.contributor.authorSakkas, Christos-
dc.contributor.authorBaudinot, Denis-
dc.contributor.authorSilva, João-
dc.contributor.authorHarsh, Piyush-
dc.contributor.authorXylouris, George-
dc.contributor.authorBohnert, Thomas Michael-
dc.contributor.authorKoumaras, Harilaos-
dc.description.abstractThe fast growing development of Network Function Virtualization (NFV) trends and the remarkable progress of Software Defined Networking (SDN) have yielded a synergy between both, towards the provision of convergent networking solutions. Since the traditional networking principles were not designed according to the NFV principles, a work has emerged dedicated to protocol redesign among the academic fellows and the industry representatives. A typical example that has been introduced in such eco-system is the concept of network service chaining, as a composition of virtual network functions stitched together in a logically ordered fashion, to create an integral networking service that can be owned by network administrators, programmers, cloud- and telco-operators. This appoints SDN as an essential technology enabler in administering advanced traffic steering techniques, thanks to the SDN controller's capability to dynamically manage VNFs virtual connections and underlying dataplane flows. Despite the rapid progression, the strategies for traffic steering in NFV environment, are still facing imminent challenges to be addressed. This paper joins NFV and SDN technology into a novel traffic steering solution based on open source reference implementations (such as SDK for SDN, virtual Traffic Classifier, virtual Media Transcoder, and WAN Infrastructure Connection Manager) designed with performance and network optimizations in mind. We have successfully deployed and tested the system prototype in a real datacenter. The evaluation results of the prototype system: (1) validated the presented chain use cases, (2) affirmed an efficient performance and scalability of the chaining method, and (3) certified good quality of video traffic transmission and transcoding.de_CH
dc.relation.ispartofComputer Standards & Interfacesde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subject.ddc004: Informatikde_CH
dc.titleSDN-based service function chaining mechanism and service prototype implementation in NFV scenariode_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitInstitut für Angewandte Informationstechnologie (InIT)de_CH
zhaw.funding.euinfo:eu-repo/grantAgreement/EC/FP7/619520//Network Functions as-a-Service over Virtualised Infrastructures/T-NOVAde_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.webfeedService Engineeringde_CH
Appears in Collections:Publikationen School of Engineering

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