Dynamic Web Service discovery architecture based on a novel peer based overlay network

  • Authors:

  • S. Sioutas;E. Sakkopoulos;Ch. Makris;B. Vassiliadis;A. Tsakalidis;P. Triantafillou

  • Affiliations:

  • Department of Informatics, Ionian University, 7 Tsirigoti Square, 49100 Corfu, Greece;Computer Engineering and Informatics Department, University of Patras, Greece;Computer Engineering and Informatics Department, University of Patras, Greece;Computer Science, Hellenic Open University, Patras, Greece;Computer Engineering and Informatics Department, University of Patras, Greece;Computer Engineering and Informatics Department, University of Patras, Greece

  • Venue:
  • Journal of Systems and Software
  • Year:
  • 2009

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Abstract

Service Oriented Computing and its most famous implementation technology Web Services (WS) are becoming an important enabler of networked business models. Discovery mechanisms are a critical factor to the overall utility of Web Services. So far, discovery mechanisms based on the UDDI standard rely on many centralized and area-specific directories, which poses information stress problems such as performance bottlenecks and fault tolerance. In this context, decentralized approaches based on Peer to Peer overlay networks have been proposed by many researchers as a solution. In this paper, we propose a new structured P2P overlay network infrastructure designed for Web Services Discovery. We present theoretical analysis backed up by experimental results, showing that the proposed solution outperforms popular decentralized infrastructures for web discovery, Chord (and some of its successors), BATON (and it's successor) and Skip-Graphs.