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Communication Dans Un Congrès Année : 2018

PCPV: Pattern-based Cost-efficient Proactive VNF placement and chaining for value-added services in content delivery networks

Résumé

Value-added services (VASs) are an integral part of todays Content Delivery Networks (CDNs). They can be implemented as a chain of Virtual Network Functions (VNFs). These chains need to be placed in an efficient way in CDNs in order to optimize quality of service (QoS) for end-users(EUs) while minimizing cost for providers. We formulate the problem as an Integer Linear Program (ILP) and propose a Pattern-based Cost-efficient Proactive VNF placement and chaining (PCPV) algorithm. The objective is to find the optimal number, location and chaining of VNFs in such a manner that the cost is minimized while QoS is met. Apart from cost minimization, the support for large-scale CDNs with a large number of physical machines (servers) and EUs is an important feature of the proposed algorithm. Through simulations, the algorithm behavior for small-scale to large scale CDN networks is analyzed.
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Dates et versions

hal-01879108 , version 1 (17-10-2018)

Identifiants

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Shohreh Ahvar, Jagruti Sahoo, Ehsan Ahvar, Mouhamad Dieye, Roch Glitho, et al.. PCPV: Pattern-based Cost-efficient Proactive VNF placement and chaining for value-added services in content delivery networks. NETSOFT 2018: 4th IEEE Conference on Network Softwarization and Workshops, Jun 2018, Montreal, Canada. pp.313-317, ⟨10.1109/NETSOFT.2018.8459986⟩. ⟨hal-01879108⟩
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