SONA: A service oriented nodes architecture for developing Cloud Computing applications

Abstract

The main goal of this paper firstly is to propose a new definition for the term 'Cloud Computing' which helps understanding it more clearly from the perspective of developing Cloud Computing applications. The second one is to build a general architecture for developing Cloud Computing applications which provides a starting point for further discussion and possible coordination with other work to build a standard methodology for developing Cloud Computing applications. The new architecture, Service Oriented Nodes Architecture (SONA), is a multi-node architecture which is suitable for building/developing Cloud Computing applications from scratch with different contexts. It consists of three nodes (1) Client/Developer Node, (2) Interface/Intermediate Node, and (3) the Cloud Node. All of these nodes have its own functions/roles and is oriented to deliver/use/provide services, so the architecture is called by that name. Also, this paper offers an initial exploratory analysis of key Cloud Computing concepts such as, Cloud Computing definition, advantages/challenges, best suited Cloud Computing applications area, and finally the STAR architecture, which is the base architecture of this work.

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“…There have been many definitions of Cloud Computing by different researchers since it can and does mean different things to different people. The National Institute of Standards and Technology (NIST) defined cloud computing informally as [21]: "a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction" while [22] defined cloud computing as "a paradigm which enables unlearned users as well as well-educated developers to create, develop, customize, migrate, deploy, and/or manage legacy, custom, and/or new applications over the Clouds' infrastructure by providing ease of use tools, programing languages, services and/or hardware resources on the basis of a predefined Service Level Agreement (SLA) with the possibility to reconfigure/change application features explicitly by users or implicitly/dynamically by Cloud providers such as scaling, deployment and/or resource allocation".…”