TAILIEUCHUNG - Enterprise services on the cloud by a technique to maintain variability

In this paper, we use principles of aspect-oriented software development to modularize these variability concerns. We also provide an aspect specification scheme to specify these concerns. | ISSN:2249-5789 V Raghavan et al , International Journal of Computer Science & Communication Networks,Vol 3(4),313-320 ENTERPRISE SERVICES ON THE CLOUD BY A TECHNIQUE TO MAINTAIN VARIABILITY Assistant Professor Department of computer Application Rajiv Gandhi College of Engineering and Technology Pondicherry School of computing Sastra University Thanjavur sundar_varathu@ Assistant Professor Department of computer Application Rajiv Gandhi College of Engineering andTechnology Pondicherry Abstract These variability concerns affect both the service interface and the service provider implementation and hence are crosscutting in nature. In this paper, we use principles of aspect-oriented software development to modularize these variability concerns. We also provide an aspect specification scheme to specify these concerns. We propose an approach to create heavyweight service variants centered on a Service Kernel, which forms a common service core across tenants. Heavyweight service variants are created by weaving aspects into the service kernel. Our approach provides improved governance for the provider while offering maximum flexibility for the consumers. 1. Introduction Web-business platforms are hosted software platforms that provide business processes to support core businesses of customers based on a software-as-a-service (SaaS) model . ®, SAP® Business By Design. Web-business platforms are typically hosted on a multitenant cloud infrastructure. They deliver business capabilities as enterprise services (. PAYROLLR UNSERVICE – a service to run employee payroll). These enterprise services are based on ServiceOriented Architecture (SOA) [1]. Every enterprise service has two parts – the ‗capability on offer‘, the business capability that the service represents and the ‗terms of offer‘, the terms at which the service is offered to customers (. pricing, quality of service

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