Research Paper (postgraduate) from the year 2019 in the subject Computer Science – General, grade: 8.7, Patna Women’s College (MCA Department), course: Computer Science, language: English, abstract: This paper show how a layered Cloud service model of software (Saa S), platform (Paa S), and infrastructure (Iaa S) leverages multiple independent Clouds by creating a federation among the providers. The layered architecture leads naturally to a design in which inter-Cloud federation takes place at each service layer, mediated by a broker specific to the concerns of the parties at that layer. Federation increases consumer value for and facilitates providing IT services as a commodity. This business model for the Cloud is consistent with broker mediated supply and service delivery chains in other commodity sectors such as finance and manufacturing. Concreteness is added to the federated Cloud model by considering how it works in delivering the Weather Research and Forecasting service (WRF) as Saa S using Paa S and Iaa S support. WRF is used to illustrate the concepts of delegation and federation, the translation of service requirements between service layers, and inter-Cloud broker functions needed to achieve federation.
Om författaren
20+ Years of strong teaching experience for Under Graduate and Post Graduate courses of Computer Science across several colleges of Patna University and NIT Patna, Bihar, IND.
Written several Computer Science academic books ( http://www.amazon.com/author/ajitsingh) and published several research papers across the World.
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