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A Framework Enabling the Cross-Platform Development of Service-based Cloud Applications

A Framework Enabling the Cross-Platform Development of Service-based Cloud Applications

Hot PhD Thesis on A Framework Enabling the Cross-Platform Development of Service-based Cloud Applications

Research Area:  Cloud Computing


  Among all the different kinds of service offering available in the cloud, ranging from compute, storage and networking infrastructure to integrated platforms and software services, one of the more interesting is the cloud application platform, a kind of platform as a service (PaaS) which integrates cloud applications with a collection of platform basic services. This kind of platform is neither so open that it requires every application to be developed from scratch, nor so closed that it only offers services from a pre-designed toolbox. Instead, it supports the creation of novel service-based applications, consisting of micro-services supplied by multiple third-party providers. Software service development at this granularity has the greatest prospect for bringing about the future software service ecosystem envisaged for the cloud. Cloud application developers face several challenges when seeking to integrate the different micro-service offerings from third-party providers. There are many alternative offerings for each kind of service, such as mail, payment or image processing services, and each assumes a slightly different business model.
  We characterise these differences in terms of (i) workflow, (ii) exposed APIs and (iii) configuration settings. Furthermore, developers need to access the platform basic services in a consistent way. To address this, we present a novel design methodology for creating service-based applications. The methodology is exemplified in a Java framework, which (i) integrates platform basic services in a seamless way and (ii) alleviates the heterogeneity of third-party services. The benefit is that designers of complete service-based applications are no longer locked into the vendor-specific vagaries of third-party micro-services and may design applications in a vendor-agnostic way, leaving open the possibility of future micro-service substitution.
  The framework architecture is presented in three phases. The first describes the abstraction of platform basic services and third-party micro-service workflows,. The second describes the method for extending the framework for each alternative micro-service implementation, with examples. The third describes how the framework executes each workflow and generates suitable client adaptors for the web APIs of each micro-service.

Name of the Researcher:  Fotios Gonidis

Name of the Supervisor(s):  

Year of Completion:  2016

University:  The University of Sheffield

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