MediaPeer: A Safe, Scalable P2P Architecture for XML Query Processing

Increasing popularity of XML and P2P networks has generated much interest in distributed processing of XML data. We propose a novel solution organized around a mediator capable of processing XQueries over multiple heterogeneous data sources. The solution consists in a hierarchical overlay network fo...

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Bibliographic Details
Main Authors: Dragan, F., Gardarin, G., Yeh, L.
Format: Conference Proceeding
Language:English
Subjects:
Distributed processing
Fault tolerant systems
Indexing
Laboratories
Network topology
Peer to peer computing
Query processing
Routing
Scalability
XML
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Summary:Increasing popularity of XML and P2P networks has generated much interest in distributed processing of XML data. We propose a novel solution organized around a mediator capable of processing XQueries over multiple heterogeneous data sources. The solution consists in a hierarchical overlay network formed of peers and super-peers indexing the XML path of data sources. Our solution is: (i) Scalable as the network can grow dynamically with size adaptative trie-based indexes in each super-peer. (ii) Reliable as procedures are developed for recovering from node failures or root saturations. (iii) Efficient as query processing is done by an existing optimized mediator that can track query process progresses and response sizes
ISSN:1529-4188
2378-3915
DOI:10.1109/DEXA.2005.130