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Networked Systems

Welcome to TAPAS Website.

(TAPAS = Telematics Architecture for Play-based Adaptable Systems)

Networked service systems are considered. The TAPAS project aims at developing architecture, platform and demonstrators for adaptable service systems. The goal is to enhance the flexibility, efficiency and simplicity of system installation, deployment, operation, management and maintenance by enabling dynamic configuration of network components and network-based service functionality.

Networked Systems
Networked Systems

Networked services have during more than two decades been is an important research topic. Topics include Intelligent Networks and TINA (Tele-communication Information Networking Architecture) [1], Mobile Agents and Active and Programmable Networks [2] in the 80-ies and 90-ies. Focus was on flexibility and efficiency in the definition, deployment and execution. This focus has now been changed into adaptability and evolution.

An adaptable service system is here defined as a service system which without human intervention is able to adapt dynamically to changes in time and position related to users, nodes, capabilities, service level agreements, system performance, and management policies. In this context, capability is an inherent physical property of a node, which is used as a basis for implementing services. This definition of adaptability covers a wide spectrum of functionality, and does also include autonomic service systems [3, 4], which are classes of adaptable service systems based on distributed control and mangement architectures.

This website presents Ph.D and M.Sc research results on adaptable and autonomic service systems under the umbrella of the TAPAS project, which presently are activities aimed to develop:

TAPAS architecture,

TAPAS platform, and

TAPAS demonstrators.

Defined adaptability properties are the basis for the architecture solution. TAPAS architecture (See Section: TAPAS Architecture) has a computing architecture and a service functionality architecture. TAPAS architecture requires a support system for software development, deployment, execution and management. This support system, which is denoted as the TAPAS platform (See Section: TAPAS Platform) consists of: TAPAS core platform and TAPAS management platform. TAPAS core platform supports the functionality of the TAPAS computing architecture. TAPAS management platform supports the management functionality part of the TAPAS service functionality architecture. As all service functionality, i.e. user application funtionality as well as management functionality, is based on the computing architecture, TAPAS management platform is accordingly based on the TAPAS core platform. Demonstrators (See Section: TAPAS Demonstrators) are examples of the use of TAPAS architecture and platform.

[1] Y. Inoue, et al., The TINA Book: A Co-operative Solution for a Competitive World: Prentice Hall, 1999.

[2] D. L. Tennenhouse, et al., "A Survey of Active Network Research," IEEE Communications Maga-zine, vol. 35, 1997.

[3] J. O. Kephart and D. M. Chess, "The Vision of Autunomic Computing," Computer, vol. 36, pp. 41-50, 2003.

[4] P. Horn, "Autonomic Computing: IBMs Perspective on the State of Information Technology",

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