Virtual Machine Cluster Mobility in Inter-Cloud Platforms

Stelios Sotiriadis, Nik Bessis, Euripides Petrakis, Cristiana Amza, Catalin Negru, Mariana Monacu

Research output: Contribution to journalArticle (journal)peer-review

13 Citations (Scopus)
110 Downloads (Pure)


Modern cloud computing applications developed from different inter operable services that are interfacing with each other in a loose coupling approach. This work proposes the concept of the Virtual Machine (VM) cluster migration, meaning that services could be migrated to various clouds based on different constraints such as computational resources and better economical offerings. Since cloud services are instantiated as VMs, an application can be seen as a cluster of VMs that integrate its functionality. We focus on the VM cluster migration by exploring a more sophisticated method with regards to VM network configurations. In particular, networks are hard to managed because their internal setup is changed after a migration, and this is related with the configuration parameters during the re-instantiation to the new cloud platform. To address such issue, we introduce a Software Defined Networking (SDN) service that breaks the problem of network configuration into tractable pieces and involves virtual bridges instead of references to static endpoints. The architecture is modular, it is based on the SDN OpenFlow protocol and allows VMs to be paired in cluster groups that communicate with each other independently of the cloud platform that are deployed. The experimental analysis demonstrates migrations of VM clusters and provides a detailed discussion of service performance for diferent cases.
Original languageEnglish
Pages (from-to)179-189
Number of pages11
JournalFuture Generation Computer Systems
Early online date24 Mar 2016
Publication statusPublished - 1 Sept 2017


  • Cloud computing
  • Cloud portability
  • Cloud service migration
  • Cloud service mobility
  • Software defined architecture
  • VM cluster migration


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