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Book synopsis

In the domain of Web Services it is not uncommon to§find redundant services that provide functionalities§to the clients. Services with the same functionality§can be clustered into a group of redundant services.§Respectively, if a service offers different§functionalities, it belongs to more than one group.§Having various Web Services that are able to handle§the client s request suggests the necessity of a§mechanism that selects the most appropriate Web§Service at a given moment of time.§§This book presents an approach, Virtual Web Services§Layer, for dynamic service selection based on§virtualization on the server side. It helps managing§redundant services in a transparent manner as well as§allows adding services to the system at run-time. In§addition, the layer assures a level of security since§the clients do not have direct access to the Web§Services. §§Several selection techniques are applied to increase§the performance of the system in terms of§load-balancing, dependability, or execution time. The§results show which techniques are appropriate when§various QoS criteria of the services are known and§how the correctness of this information influences on§the decision-making process.

Book details

• Full title: Dynamic Selection Of Redundant Web Services
• Subtitle: Managing Redundancy Through Virtual Web Services
• Author: Svetlana Slavova
• Language: English
• Binding: Paperback
• Number of pages: 152
• EAN: 9783639014839
• ID: 06811470
• Publisher: VDM Verlag Dr. Müller
• Weight: 243 g
• Dimensions: 220 × 150 × 9 mm
• Published: 2009

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