Interconnected cloud computing environments: challenges, taxonomy, and survey

Adel Nadjaran Toosi, Rodrigo N. Calheiros, Rajkumar Buyya

Research output: Contribution to journalReview ArticleResearchpeer-review

Abstract

A brief review of the Internet history reveals the fact that the Internet evolved after the formation of primarily independent networks. Similarly, interconnected clouds, also called Inter-cloud, can be viewed as a natural evolution of cloud computing. Recent studies show the benefits in utilizing multiple clouds and present attempts for the realization of an Inter-cloud or federated cloud environment. However, cloud vendors have not taken into account cloud interoperability issues, and each cloud comes with its own solution and interfaces for services. This survey initially discusses all the relevant aspects motivating cloud interoperability. Furthermore, it categorizes and identifies possible cloud interoperability scenarios and architectures. The spectrum of challenges and obstacles that the Inter-cloud realization is faced with are covered, a taxonomy of them is provided, and fitting enablers that tackle each challenge are identified. All these aspects require a comprehensive review of the state of the art, including ongoing projects and studies in the area. We conclude by discussing future directions and trends toward the holistic approach in this regard.

Original languageEnglish
Article numbera7
Number of pages47
JournalACM Computing Surveys
Volume47
Issue number1
DOIs
Publication statusPublished - Apr 2014
Externally publishedYes

Keywords

  • Cloud computing
  • Cloud federation
  • Cross-clouds
  • Inter-cloud
  • Multi-cloud
  • Utility computing

Cite this

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Interconnected cloud computing environments : challenges, taxonomy, and survey. / Toosi, Adel Nadjaran; Calheiros, Rodrigo N.; Buyya, Rajkumar.

In: ACM Computing Surveys, Vol. 47, No. 1, a7, 04.2014.

Research output: Contribution to journalReview ArticleResearchpeer-review

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