chpter 5 oc final.edited.docx - Chapter 5 Microservice Orchestration and Choreography for Microservice Composition A Comparative Analysis In chapter 4

chpter 5 oc final.edited.docx - Chapter 5 Microservice...

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Chapter 5 Microservice Orchestration and Choreography for Microservice Composition: A Comparative Analysis In chapter 4, the Clubbing Centroid Based Clustering and Association finding approach is proposed as a research contribution. The CCBCAFA is useful for finding the best fit microservice by using clustering techniques. The sequence of microservices that need to execute to provide the solution for the user request association concept is used. The user request may consist of many microservices to fulfill the user desired solution. In chapter 5, microservice orchestration and microservice choreography, both the service collaboration and composition methods are explained in a detailed manner for healthcare application. Finally, a comparative analysis is performed between both the approaches (microservice orchestration and choreography) for various quality of service parameters. 5.1 Introduction: in the recent surveys of the global e-commerce market, the top-ranked problem is IT management issues. The issue is related to address the cross-functional business needs. Web-enabled microservices offers standard based mechanisms to address this issue. The composition and integration of microservices aim to provide a 360-degree solution for the dynamic cross-functional business demands. In the current situation, the success factor of any business organization depends on a high customer satisfaction level by providing top-quality solutions to the customer. On the other hand, to satisfy the customer by top services is a central focal challenge for any e-commerce organization in terms of budget and investments. In this situation, reusing the existing microservices which are readily available in the web resources is promising a cost and time effective strategy. The business industry has to focus on the design of business process workflow by combining these high featured, readily available, independent natured microservices in a transparent manner. Microservice integration or microservice composition is an upcoming research field for the fabulous change in the e-commerce business industry. The terms orchestration and choreography describe two aspects of creating and developing a business process workflow from composite microservices.
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5.1.1 Microservice Composition: Microservices are typically designed with single and specific functionality, so each microservice can perform only a specific and a limited function. But in dynamic and complex business applications, it became essential to perform cross-functional tasks. For the cross-functional feature of any business organization, there is a need to combine the functions of more than one microservice in order to fulfill the cross-functional business goal. The procedure of integrating more than one service in a single design pattern is referred to as the service composition. For example: in the healthcare application, if any patient wants to take the consultation with the
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  • Spring '16
  • angela

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