Article: Towards a lightweight content-based publish/subscribe services for peer-to-peer systems Journal: International Journal of Grid and Utility Computing (IJGUC) 2009 Vol.1 No.3 pp.239 - 251 Abstract: Peer-to-peer networks are unmanaged systems, where all participants cooperate in order to maintain the network structure and the services they provide. Particularly, structured peer-to-peer networks provide efficient, logarithmic communication cost between any pair of nodes. However, publish/subscribe (pub/sub) overlay networks (e.g. Scribe or Bayeux) built atop of these peer-to-peer networks incur additional costs (like the pub/sub overlay maintenance, node churning, pub/sub links resolution). In this paper, we introduce a content-based pub/sub system that leverages the peer-to-peer substrate. Thus, we avoid to build a specific overlay for the pub/sub system and use the rendezvous model to meet both events and subscribers. On the contrary to what could be expected, our system suits for high-dimensional pub/sub domains, requiring very low memory capacity and hops to run subscription and event notification processes. We present its good performance through theoretical analysis and verified through significant simulations. Inderscience Publishers - linking academia, business and industry through research

Title: Towards a lightweight content-based publish/subscribe services for peer-to-peer systems

Authors: Jordi Pujol-Ahullo, Pedro Garcia-Lopez, Antonio F. Gomez-Skarmeta

Addresses: Department of Computer Science, Engineering and Mathematics, Universitat Rovira i Virgili, Av. Paisos Catalans, 26, 43007 Tarragona, Spain. ' Department of Computer Science, Engineering and Mathematics, Universitat Rovira i Virgili, Av. Paisos Catalans, 26, 43007 Tarragona, Spain. ' Faculty of Computer Science, Universidad de Murcia, Campus Universitario del Espinardo, 30100 Murcia, Spain

Abstract: Peer-to-peer networks are unmanaged systems, where all participants cooperate in order to maintain the network structure and the services they provide. Particularly, structured peer-to-peer networks provide efficient, logarithmic communication cost between any pair of nodes. However, publish/subscribe (pub/sub) overlay networks (e.g. Scribe or Bayeux) built atop of these peer-to-peer networks incur additional costs (like the pub/sub overlay maintenance, node churning, pub/sub links resolution). In this paper, we introduce a content-based pub/sub system that leverages the peer-to-peer substrate. Thus, we avoid to build a specific overlay for the pub/sub system and use the rendezvous model to meet both events and subscribers. On the contrary to what could be expected, our system suits for high-dimensional pub/sub domains, requiring very low memory capacity and hops to run subscription and event notification processes. We present its good performance through theoretical analysis and verified through significant simulations.

Keywords: data distribution; publish-subscribe overlay networks; content-based; rendezvous model; multi-dimensional data; peer-to-peer networks; P2P networks; event-based systems; simulation.

DOI: 10.1504/IJGUC.2009.027651

International Journal of Grid and Utility Computing, 2009 Vol.1 No.3, pp.239 - 251

Published online: 05 Aug 2009 *

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Title: Towards a lightweight content-based publish/subscribe services for peer-to-peer systems

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