Estimating development size and effort of business process service-oriented architecture applications

Service-oriented Architecture (SOA) is adopted by many industrial and business organizations, as an efficient means for designing, developing and integrating enterprise business processes applications. With the built of Web Services, the developed business processes can be easily combined to achieve a composite business solution. Generally, any business applications are mixture of processes and some tasks corresponding to the processes. In the planning phase of software project management, estimation of development effort is very critical and crucial for software/business organizations. Having an accurate effort estimate guarantees the managers that the projects are completed within time and budget. So, estimation techniques/models need to be very efficient and should highlights all important cost drivers. The estimation of development effort for business processes primarily depends on the number of processes and it´s associated tasks. The development effort of business applications primarily depends on the size of integrated applications. In this paper, some metrics for predicting the size of integrated business process SOA applications have been proposed. After estimating size, the development effort calculated by using the popular COCOMO model. A comparison of various performance evaluation criterion for assessing the accuracy of proposed model has been computed and shown.