Management of virtual machine images in heterogeneous clouds. (26th January 2015)

• Record Type: Journal Article
• Authors: Pereira, João; Prata, Paula
• Is Part Of: International journal of computational science and engineering. Volume 10:Number 1/2(2015)
• Page Start: 113
• Page End: 129
• Publication Date: 2015-01-26
• Subjects: cloud computing -- virtual machine images -- event–driven programming -- web services -- representational state transfer -- REST -- storage systems -- image management -- heterogeneous clouds -- image metadata -- storage abstraction -- open source -- modularity -- extensibility; Computer science -- Mathematics -- Periodicals; Computer simulation -- Mathematical aspects -- Periodicals; Computational intelligence -- Periodicals; 004.015105
• Languages: English
• ISSNs: 1742-7185

Abstract

This paper presents the image server of the VISOR cloud agnostic virtual machine images management service. An evaluation approach is also described and the results are discussed. VISOR is not intended to fit in a specific cloud framework but rather to overreach sharing and interoperability limitations among different frameworks. Such feature is achieved by relying on a flexible image metadata schema and in a storage abstraction layer, where the latter seamlessly abstracts the heterogeneity of distinct cloud storage systems into which images can be saved. VISOR is an open source highly distributed system composed of several independent web services. In its development we have focused in modularity, extensibility and performance. Conducted evaluation tests have shown encouraging results regarding performance and scalability.