Script-Based Generation of Dynamic Testbeds for SOA

2011 IEEE Ninth European Conference on Web Services

2011

Self Cite

Abstract-One of the key concepts of service-oriented computing is dynamic binding which favors on-demand integration of services into a running system. Companies can outsource tasks to external partners by using their services and are able to switch over to alternatives at runtime. However, this flexibility comes at a high cost because it complicates the testing process significantly. The major problem with external services is their restricted usability for testing purposes, due to costs or because policies forbid trial invocations. In this paper we present our approach to solve this issue by generating automatically testbeds which emulate external services. Based on previous work on testbed generation, we have developed a technique for intercepting Web service invocations in Java-based systems, generating emulated replicas at runtime, and redirecting the invocations transparently. We describe the concepts of our approach, its applicability, and limitations.

Section: Testing In Soa Software Developmentmentioning

confidence: 99%

“…For detailed information about the Genesis2 framework and on our concepts for testbed generation we refer interested readers to our previous works [1], [2], [9].…”

Section: / / On−t H E −F L Y a D A P T A T I O Nmentioning

confidence: 99%

Section: ) Customization Extensibility and Programmabilitymentioning

confidence: 99%

“…6) Deployment of completed Web service instance at local Apache CXF [12] endpoint. For more details about the generation of Web services, we refer to [1] and [19].…”

Section: ) Translation Of Message Types (Datatype Models) Tomentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Automating the Generation of Web Service Testbeds Using AOP

Juszczyk

2011 IEEE Ninth European Conference on Web Services

2011

Self Cite

A Programmble Fault Injection Testbed Generator for SOA

Juszczyk

Service-Oriented Computing

2010

Self Cite

Abstract. In this demo paper we present the prototype of our fault injection testbed generator. Our tool empowers engineers to generate emulated SOA environments and to program fault injection behavior on diverse levels: at the network layer, at the execution level, and at the message layer. Engineers can specify the structure of testbeds via scripts, attach fault models, and generate running testbed instances from that. As a result, our tool facilitates the setup of customizable testbeds for evaluating fault-handling mechanisms of SOA-based systems. MotivationToday service-oriented architectures (SOAs) do not only comprise Web services, clients, and brokers, but also diverse complex components that operate on distributed service-based environments, e.g., workflow engines executing business processes or governance systems managing whole large-scale systems. Usually, these components carry out critical tasks and, therefore, must be dependable. However, if one considers that SOA-based infrastructures often have complex dependency structures and each service is a potential fault source, it becomes obvious that single faults can trigger chains of harmful effects. Consequently, complex SOA components must provide fault handling mechanisms in order to guarantee a certain level of dependability.In our current research, we regard this challenge from the perspective of how such mechanisms can be evaluated in order to verify their correct execution. We argue that this can only be achieved by testing the developed component at runtime, in an environment which comprises faulty elements, and by observing the component's reaction on occurring faults. Yet, the main obstacle remains how to get access to such an environment which exhibits faulty behavior and, therefore, can be used as a testbed infrastructure. As a contribution to solving this issue we have developed the Genesis2 testbed generator framework and extended it with fault emulation techniques. Our tool provides SOA engineers the facility to generate customizable testbeds for evaluating their complex components. Fault Injection Testbed Generator FrameworkThe presented prototype uses the Genesis2 testbed generator framework [1] (in short, G2) as a base grounding for emulating testbeds for SOA. Engineers model

PROVIDENCE: A Framework for Private Data Propagation Control in Service-Oriented Systems

Khazankin

Towards a Service-Based Internet

2010

Self Cite

Abstract. As data integration proliferates, private information can be spread across the system extensively. Striving for protection of possessed sensitive information, enterprises thus need comprehensive means to control such propagation. As shown in the paper, approaches to date do not address this need sufficiently. We, therefore, propose a private data propagation control framework (Providence), which aims to give a comprehensive view on private data usage throughout the system and to facilitate privacy-related decision making.