Web Service Specifications Relevant for Service Oriented Infrastructures

2011 ◽  
pp. 174-198 ◽  
Author(s):  
Eduardo Oliveros ◽  
Jesús Movilla ◽  
Andreas Menychtas ◽  
Roland Kuebert ◽  
Michael Braitmaier ◽  
...  
Keyword(s):  
Web Services ◽  
Web Service ◽  
Real Time ◽  
State Of The Art ◽  
The State ◽  
Data Centre ◽  
Development Tools ◽  
Service Oriented ◽  
The Web

Service Oriented Infrastructures (SOIs) have recently seen increased use, mainly thanks to technologies for data centre virtualization and the emergence and increasing commercial offering of Cloud solutions. Web Services have been seen as a tool to implement SOI solutions thanks to their versatility and interoperability, but at the same time, Web Services have been considered not suitable for providing interactive real-time solutions. In this chapter the state of the art of the Web service technology will be analysed, and their different communication mechanisms and the existing implementations will be compared. Firstly, the different standardisation bodies working on Web service specifications relevant to SOI will be introduced. The various approaches to implement Web services will be described followed by the Web service specifications and the middleware that make use of those specifications, including the description of the commercial interfaces and development tools to create services for the cloud. In the last part of the chapter, the interoperability problems present on the different frameworks and the existing solutions to minimize those interoperability problems will be explained.

A Theoretical Foundation of Demand Driven Web Services

2015 ◽  
pp. 392-422
Author(s):  
Zhaohao Sun ◽  
John Yearwood
Keyword(s):  
Web Services ◽  
Social Services ◽  
Service Oriented Architecture ◽  
State Of The Art ◽  
The State ◽  
Cloud Services ◽  
Pivotal Role ◽  
The Internet ◽  
Service Oriented ◽  
The Web

Web services are playing a pivotal role in business, management, governance, and society with the dramatic development of the Internet and the Web. However, many fundamental issues are still ignored to some extent. For example, what is the unified perspective to the state-of-the-art of Web services? What is the foundation of Demand-Driven Web Services (DDWS)? This chapter addresses these fundamental issues by examining the state-of-the-art of Web services and proposing a theoretical and technological foundation for demand-driven Web services with applications. This chapter also presents an extended Service-Oriented Architecture (SOA), eSMACS SOA, and examines main players in this architecture. This chapter then classifies DDWS as government DDWS, organizational DDWS, enterprise DDWS, customer DDWS, and citizen DDWS, and looks at the corresponding Web services. Finally, this chapter examines the theoretical, technical foundations for DDWS with applications. The proposed approaches will facilitate research and development of Web services, mobile services, cloud services, and social services.

A Theoretical Foundation of Demand Driven Web Services

2014 ◽  
pp. 1-32 ◽  
Author(s):  
Zhaohao Sun ◽  
John Yearwood
Keyword(s):  
Web Services ◽  
Social Services ◽  
Service Oriented Architecture ◽  
State Of The Art ◽  
The State ◽  
Cloud Services ◽  
Pivotal Role ◽  
The Internet ◽  
Service Oriented ◽  
The Web

Web services are playing a pivotal role in business, management, governance, and society with the dramatic development of the Internet and the Web. However, many fundamental issues are still ignored to some extent. For example, what is the unified perspective to the state-of-the-art of Web services? What is the foundation of Demand-Driven Web Services (DDWS)? This chapter addresses these fundamental issues by examining the state-of-the-art of Web services and proposing a theoretical and technological foundation for demand-driven Web services with applications. This chapter also presents an extended Service-Oriented Architecture (SOA), eSMACS SOA, and examines main players in this architecture. This chapter then classifies DDWS as government DDWS, organizational DDWS, enterprise DDWS, customer DDWS, and citizen DDWS, and looks at the corresponding Web services. Finally, this chapter examines the theoretical, technical foundations for DDWS with applications. The proposed approaches will facilitate research and development of Web services, mobile services, cloud services, and social services.

Building Highly Dependable Wireless Web Services

2010 ◽  
Vol 8 (4) ◽  
pp. 1-16 ◽  
Author(s):  
Wenbing Zhao
Keyword(s):  
Web Services ◽  
Service Oriented Architecture ◽  
State Of The Art ◽  
Mobile Business ◽  
Business Transactions ◽  
High Dependability ◽  
Service Oriented ◽  
And Performance ◽  
Wireless Mobile ◽  
The Web

In this paper, the authors introduce Web services technology and its applications to mobile business transactions. This paper shows that the Web services technology is a powerful tool to build next-generation e-Commerce applications for wireless mobile devices following the service-oriented architecture. Such an approach would bring significant benefits to organizations involved with e-Commerce. The authors further discuss the importance of ensuring high dependability of Web services and provide a literature review of state-of-the-art techniques that are critical to the implementation of practical and dependable wireless Web services. Finally, research on the design, implementation, and performance evaluation of a fault tolerance framework for wireless Web services are described.

scholarly journals Intelligent Framework for Web-Service Testing

2015 ◽  
Vol 4 (1) ◽  
pp. 32
Author(s):  
L S RajivKrishna ◽  
Y Prasanth
Keyword(s):  
Web Services ◽  
Web Service ◽  
Multiple Testing ◽  
Service Oriented Architecture ◽  
Automatic Testing ◽  
Enterprise Information ◽  
Service Oriented ◽  
Testing Management ◽  
The Web ◽  
Automation Testing

<p>Web services provides a distributed computing architecture, with an emerging way of service oriented architecture (SQA). Here service oriented architecture is an interface to both computer systems and web services. Which implements an interaction with each other in new and different ways. According to service oriented architecture it virtually provides a platform for web services to communicate with each other. As it was an easy way for communicating with both clients and services. Many organizations and companies are either evaluating themselves into an enterprise information architectures, or they are in the process of getting adopt to the web services technology. As web services are platform independent it is playing a major role in the enterprise environment, and currently web services are widely accepted by many companies and organizations. So commonly web services possess some challenges to the enterprise environment. As a part of it web service must be tested before publish into a service oriented architecture. It involves large number of test cases, test scenarios that takes more time and effort. Testing management is needed so that it should control the time effort and should reduce the complexity of web service in a large software system, also in a real time world. Automation testing faces these challenges and fixes these issues. Automation testing has an ability to handle the complexities which are experiencing by the web services in a current environment. This paper presents the automatic testing strategies of a web service and detect the problems between both manual and automation testing. Finally results shows the proper effective report on improving the visibility of testing process based on the web approach to enhance the critical communication among multiple testing groups.</p>

scholarly journals Efficient Selection of QoS Based Web Services using Modified TOPSIS Method

2019 ◽  
Vol 8 (2) ◽  
pp. 5732-5738
Keyword(s):  
Web Services ◽  
Web Service ◽  
Internet Technology ◽  
Service Oriented ◽  
User Expectations ◽  
Modified Topsis ◽  
Topsis Approach ◽  
The Web ◽  
Selection Of ◽  
Oriented System

Nowadays, due to the ease of availability of internet technology large numbers of people are using the World Wide Web. The companies are changing their way to do business. They are shifting from a data-oriented system to a service-oriented system. Now companies are able to depict their business in the form of web services and make them available on the internet. Due to this number of web services are available for satisfying the user’s need. But to select the best web service that satisfies user specification is a challenging issue. So, it is necessary to consider not only the functional requirement of the web services but also the nonfunctional requirements of the web services. On the other hand, users are not able to specify the exact nonfunctional parameter requirements so, there is a need for QoS processor which can understand the user's need and can extract the parameters for QoS. In this paper, a modified TOPSIS approach based on MCDM is proposed for the selection of efficient web service. The web services that are near to user expectations are selected out using the proposed method. Experimental outcomes show that the proposed approach determines the most promising results.

Web Services

2007 ◽  
pp. 244-267
Author(s):  
Bernd Aman ◽  
Salima Benbernou ◽  
Benjamin Nguyen
Keyword(s):  
Web Services ◽  
Web Service ◽  
Service Composition ◽  
Web Applications ◽  
Loosely Coupled ◽  
Composition Problem ◽  
Service Oriented ◽  
Service Paradigm ◽  
Current Standards ◽  
The Web

Unlike traditional applications, which depend upon a tight interconnection of all program elements, Web service applications are composed of loosely coupled, autonomous and independent services published on the Web. In this chapter, we first introduces the concept of service oriented computing (SOC) on the Web and the current standards enabling the definition and publication of Web services. This technology’s next evolution is to facilitate the creation and maintenance of Web applications. This can be achieved by exploiting the self-descriptive nature of Web services combined with more powerful models and languages for composing Web services. A second objective of this chapter is to illustrate the complexity of the Web service composition problem and to provide a representative overview of the existing approaches. The chapter concludes with a short presentation of two research projects exploiting and extending the Web service paradigm.

scholarly journals Implementing Web Services Using Java Technology

2010 ◽  
Vol 5 (2) ◽  
pp. 251 ◽  
Author(s):  
Mironela Pirnau
Keyword(s):  
Web Services ◽  
Web Service ◽  
Service Needs ◽  
Java Technology ◽  
Service Oriented ◽  
The Web

There are several essential activities that need to take place in any service-oriented environment such as: a Web service has to be created, to have its interfaces and invocation methods defined, its service has to be published to one or more intranet or Internet repositories to locate potential users. A Web service needs to be located in order to invoke potential different users. The technologies offered by Web Services enable us to cast older applications, we can use them and the packages already existing in a certain enterprise. The infrastructure associated with older applications can also be wrapped as a serial set of services. In the following pages I tried to present general characteristics of the Web services up to present, as well as the usage of Java technologies for the implementation of web services. The present paper targets a systematisation of the main web services, as well as highlighting and testing the most important technologies used to develop them.

Addressing Device-Based Adaptation of Services

2012 ◽  
pp. 278-301
Author(s):  
Achilleas Achilleos ◽  
Kun Yang ◽  
George A. Papadopoulos
Keyword(s):  
Web Services ◽  
Web Service ◽  
Mobile Devices ◽  
Rapid Growth ◽  
Description Language ◽  
Design And Development ◽  
Model Driven ◽  
Service Oriented ◽  
Oriented Approach ◽  
The Web

The rapid growth of the mobile devices market and the increasing requirements of mobile users augment the need to develop Web Service clients that could be deployed and run on both mobile and desktop devices. Different developers attempt to address this heterogeneity requirement and provide solutions that simplify and automate the development of device-aware services. This chapter proposes a Model-Driven Web Service oriented approach, which allows designing and automatically generating mobile and desktop-based clients that are able to invoke ubiquitously Web Services from different devices. This is further enabled via the Web Services Description Language that allows generating the required proxy classes, which support the communication with platform-specific clients. The applicability and efficiency of the approach is demonstrated via the design and development of a device-aware Web Service prototype.

Addressing Device-Based Adaptation of Services

2015 ◽  
pp. 624-647
Author(s):  
Achilleas P. Achilleos ◽  
Kun Yang ◽  
George A. Papadopoulos
Keyword(s):  
Web Services ◽  
Web Service ◽  
Mobile Devices ◽  
Rapid Growth ◽  
Description Language ◽  
Design And Development ◽  
Model Driven ◽  
Service Oriented ◽  
Oriented Approach ◽  
The Web

The rapid growth of the mobile devices market and the increasing requirements of mobile users augment the need to develop Web Service clients that could be deployed and run on both mobile and desktop devices. Different developers attempt to address this heterogeneity requirement and provide solutions that simplify and automate the development of device-aware services. This chapter proposes a Model-Driven Web Service oriented approach, which allows designing and automatically generating mobile and desktop-based clients that are able to invoke ubiquitously Web Services from different devices. This is further enabled via the Web Services Description Language that allows generating the required proxy classes, which support the communication with platform-specific clients. The applicability and efficiency of the approach is demonstrated via the design and development of a device-aware Web Service prototype.

Research on Web Service-Oriented Access Control Model

2014 ◽  
Vol 989-994 ◽  
pp. 4528-4532
Author(s):  
Meng Liu ◽  
Lian Zhong Liu ◽  
Yu Zhang
Keyword(s):  
Web Services ◽  
Access Control ◽  
Web Service ◽  
Control Model ◽  
Access Control Model ◽  
Control Module ◽  
Service Oriented ◽  
System Resources ◽  
The Web

Access control is an important technique which is used to protect system resources from damage by unauthorized users. With the advantage of web services, the access control module was released as web services interfaces. In order to control accessing to system resources and take advantage of web services,this paper proposes the web service-oriented access control (WSOAC) model. The development of access control is firstly introduced; after that the authors describe this model with two levels—platform and tenant and then present the execution process. At last, the paper summarizes the characteristics of the model and the next step.

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