Istituto di Scienza e Tecnologie dell'Informazione     
Trunfio P., Talia D., Fragopoulou P., Papadakis H., Mordacchini M., Pennanen M., Popov K., Vlassov V., Haridi S. Peer-to-Peer resource discovery in Grids: models and systems. In: Future Generation Computer Systems, vol. 23 (7) pp. 864 - 878. Elsevier Ltd, 2007.
Resource location or discovery is a key issue for Grid systems in which applications are composed of hardware and software resources that need to be located. Classical approaches to Grid resource location are either centralized or hierarchical and will prove inefficient as the scale of Grid systems rapidly increases. On the other hand, the Peer-to-Peer (P2P) paradigm emerged as a successful model that achieves scalability in distributed systems. One possibility would be to borrow existing methods from the P2P paradigm and to adopt them to Grid systems taking into consideration the existing differences. Several such attempts have been made during the last couple of years. This paper aims to serve as a review of the most promising Grid systems that use P2P techniques to facilitate resource discovery in order to perform a qualitative comparison of the existing approaches and to draw conclusions about their advantages and weaknesses. Future research directions are also discussed.
URL: http://scienceserver.cilea.it/cgi-bin/sciserv.pl?collection=journals&journal=0167739x&issue=v23i0007
DOI: 10.1016/j.future.2006.12.003
Subject Resource discovery
Peer-to-Peer system
H.3.1 Content Analysis and Indexing
H.3.3 Information Search and Retrieval
H.3.4 Systems and Software

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