Stochastic optimization for deployment of correlated cloud services over optical networks

K.N. Georgakilas, M. Anastasopoulos, A. Tzanakaki

Research output: Contribution to journalArticle (Academic Journal)

2 Citations (Scopus)

Abstract

Motivated by the diffusion of cloud-based services and the need for high-performance flexible networks to support interconnection of geographically dispersed data centers, this letter focuses on the deployment of correlated cloud services over optical networks. A stochastic optimization model that aims at minimizing the total service deployment cost has been developed. Service correlation is modeled as a stationary stochastic process and the sample average approximation method is used to solve the relevant problems. The results quantify the impact of service correlation and the benefits of applying stochastic optimization when planning suitable infrastructures. © 2014 IEEE.
Original languageEnglish
Pages (from-to)1159-1162
Number of pages4
JournalIEEE Communications Letters
Volume18
Issue number7
DOIs
Publication statusPublished - 2014

Bibliographical note

Cited By :2

Export Date: 16 March 2016

CODEN: ICLEF

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Keywords

  • Cloud-based services
  • lightpath routing
  • stochastic optimization
  • VM migration
  • Distributed database systems
  • Random processes
  • Web services
  • Cloud-based
  • Lightpath routing
  • Sample average approximation
  • Service-correlation
  • Stationary stochastic process
  • Stochastic optimization model
  • Stochastic optimizations
  • Vm migrations
  • Optimization

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