An inter-cloud bridge system for heterogeneous cloud platforms

S Sotiriadis, Nik Bessis

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

29 Citations (Scopus)
83 Downloads (Pure)


Over the years, more cloud computing systems have been developed providing flexible interfaces for inter-cloud interaction. This work approaches the concept of inter-cloud by utilizing APIs, open source specifications and exposed interfaces from cloud platforms such as OpenStack, OpenNebula and others. Despite other works in the area of inter-cloud, that are mainly resource management-centric, we focus on designing and developing a service-centric architecture. We implement an inter-cloud bridge system that is elastic, easy to be upgraded and managed. We develop a prototype composed not only from heterogeneous cloud platforms but also from independent cloud services. These are developed by different cloud service providers and offered as open source Software as a Service (SaaS). The proposed Inter-Cloud Mediation Service uses Future Internet SaaS such as a Context Broker for registrations and subscriptions to services and a Complex Event Processing engine for event management. We present an experimental analysis to show interactions with various heterogeneous cloud platforms and we evaluate the performance of inter-cloud services separately and as a whole.
Original languageEnglish
Pages (from-to)180-194
Number of pages15
JournalFuture Generation Computer Systems
Early online date25 Feb 2015
Publication statusPublished - 1 Jan 2016


  • Cloud computing
  • Cloud interoperability
  • FI-LAB
  • Heterogeneous inter-cloud
  • Inter-cloud
  • OpenStack


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