In this paper, we have redesigned the conception of SOA (Service oriented Architecture) by extension to existing service registry,
and based on this definition; proposed a FIPA agent platform capable of capturing SOA components. According to the FIPA specification
and reference model, we adopt several new Web service components called AgWebs in the FIPA agent system. They are designed
the service management mechanism in private registry which agents are possible to lookup/register/de-register services using
DHT algorithm with the DM module. Also, we can create a overlay network in the service registries on top of the existing physical
network infrastructure, as using DHT based FIPA Agent platform. As it will be demonstrated, we develop an efficient private
registry management system in FIPA agent platform.
[Show abstract][Hide abstract] ABSTRACT: Over the Internet today, computing and communications environments are significantly more complex and chaotic than classical distributed systems, lacking any centralized organization or hierarchical control. There has been much interest in emerging Peer-to-Peer (P2P) network overlays because they provide a good substrate for creating large-scale data sharing, content distribution, and application-level multicast applications. These P2P overlay networks attempt to provide a long list of features, such as: selection of nearby peers, redundant storage, efficient search/location of data items, data permanence or guarantees, hierarchical naming, trust and authentication, and anonymity. P2P networks potentially offer an efficient routing architecture that is self-organizing, massively scalable, and robust in the wide-area, combining fault tolerance, load balancing, and explicit notion of locality. In this article we present a survey and comparison of various Structured and Unstructured P2P overlay networks. We categorize the various schemes into these two groups in the design spectrum, and discuss the application-level network performance of each group.
[Show abstract][Hide abstract] ABSTRACT: The traditional server-centric design for P2P service discovery is not suitable for ad-hoc environments. In this paper, in order to facilitate the inter operation of ad-hoc environments with other platforms, we introduce D<sup>2</sup>HT, an algorithm which enables directory federation using DHT, in order to support open scalability. We also introduce the lightweight service discovery (LSD) protocol based on the FIPA compatible agent framework. Our approach overcomes the reconfiguration problems associated with other DHT variants (e.g. Chord (Stoica et al., 2001), CAN (Ratnasamy, 2001) and Pastry (Rowstron and Druschel, 2001), which arise when peers join/leave the network, as well as taking into consideration device limitations. We also present an initial implementation of LSD using iPAQs and the D<sup>2</sup>HT-enabled FIPA agent platform.
Pervasive Computing and Communications Workshops, 2005. PerCom 2005 Workshops. Third IEEE International Conference on; 04/2005
[Show abstract][Hide abstract] ABSTRACT: In recent years Web services and their associated standards have received an enormous amount of attention. Web services hold the promise of creating a distributed global repository of network addressable units of computation. This repository will undoubtedly generate a disruptive force that will fundamentally change not only the methodologies and techniques used for software construction, but will even challenge our perception of what constitutes a software application. In the future software applications will be increasingly amorphous, dynamically adapting their composition at run-time in response to changes in environmental context and conditions.
e-Technology, e-Commerce and e-Service, 2005. EEE '05. Proceedings. The 2005 IEEE International Conference on; 01/2005
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