ISSN (Online) : 2456 - 0774

Email : ijasret@gmail.com

ISSN (Online) 2456 - 0774

OPTIMISING PROVIDER BANDWIDTH AND USER LATENCY IN A SOFTWARE DEFINED DATA CENTER

Abstract

Abstract: Large-scale Internet services like video streaming require effective allocation of requests across geographicallydispersed data centers. We understand that current techniques either focus on decreasing total provider costs or assuring QoSto end customers. Here, we leverage the SDN controller to provide network-wide management and offer an optimisationmodel that takes into account both high provider bandwidth utilisation and minimal user latency. Using the Nash bargainingsolution, we can simulate the needs of both the service provider and the end-user. Under these conditions, the design of requestallocation is formulated as an NP-hard optimisation issue. The Logarithmic Smoothing approach and the auxiliary variablemethod are combined in an efficient solution to handle this complex optimisation issue. The theoretical study shows that ouranswer is unique and that our approach is convergent. On the basis of real-world workload data, Need to perform severaltests and show that our approach outperforms both greedy and locality techniques.Keywords: SDN (Software-defined Networking), Data center network (DCN), Geo-distributed Datacenters, LogarithmicSmoothing, Request Allocation, capacity utilisation.---------------------------------------------------------------------***----------

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