Abstract
Abstract: In early days of commercial software development, it was very expensive as multiple components were required such as - hardware, software, infrastructure to support mere an application development and implementation. Industry was using it with a note of burden to manage the support services. Visualizing these specific problems ICT took it as a challenge and introduces cost effective solution and bifurcated in Service components. Broadly a) Infrastructure as a Service b) Platform as a Service c) Software as a Service. Industry welcomed the approach and started handing over these services to market players and were able to focus on their key business areas. In recent development of cloud architecture these are becoming BUZZ word in industry and innovating traditional approaches. Keywords: IaaS, PaaS, SaaS, CaaS, Security, Multitenancy, Cloud Architecture
Published Version
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