OceanStore: an architecture for global-scale persistent storage
ASPLOS IX Proceedings of the ninth international conference on Architectural support for programming languages and operating systems
Chord: A scalable peer-to-peer lookup service for internet applications
Proceedings of the 2001 conference on Applications, technologies, architectures, and protocols for computer communications
A scalable content-addressable network
Proceedings of the 2001 conference on Applications, technologies, architectures, and protocols for computer communications
Internet indirection infrastructure
Proceedings of the 2002 conference on Applications, technologies, architectures, and protocols for computer communications
Serving DNS Using a Peer-to-Peer Lookup Service
IPTPS '01 Revised Papers from the First International Workshop on Peer-to-Peer Systems
Pastry: Scalable, Decentralized Object Location, and Routing for Large-Scale Peer-to-Peer Systems
Middleware '01 Proceedings of the IFIP/ACM International Conference on Distributed Systems Platforms Heidelberg
A Scalable and Ontology-Based P2P Infrastructure for Semantic Web Services
P2P '02 Proceedings of the Second International Conference on Peer-to-Peer Computing
Secure and Resilient Peer-to-Peer E-Mail: Design and Implementation
P2P '03 Proceedings of the 3rd International Conference on Peer-to-Peer Computing
POST: a secure, resilient, cooperative messaging system
HOTOS'03 Proceedings of the 9th conference on Hot Topics in Operating Systems - Volume 9
Efficient peer-to-peer keyword searching
Proceedings of the ACM/IFIP/USENIX 2003 International Conference on Middleware
The role of caching and context-awareness in P2P service discovery
Proceedings of the 6th international conference on Mobile data management
Context-based caching and routing for P2P web service discovery
Distributed and Parallel Databases
SNet: skip graph based semantic web services discovery
Proceedings of the 2007 ACM symposium on Applied computing
A proactive low-overhead file replication scheme for structured P2P content delivery networks
Journal of Parallel and Distributed Computing
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The most intuitive way to build a service directory application that allows for service entities to register or search for services on top of a structured peer-to-peer network is to build reverse indices at appropriate nodes on the network. However, this implies trust on the reliability and integrity of other nodes on the network, which may be too risky an assumption for businesses. This paper proposes a service directory that groups service entities of the same category together; this is achieved by dedicating part of the node identifiers to correspond to their service category semantic. Using Chord as the peer-to-peer substrate, this scheme logically divides the Chord circle into equidistant arcs; each arc is called an island. This scheme will result in the formation of islands of varying population, and thus changing the uniformly spread topology of the original Chord. Simulations are used to investigate the path length and message load of the changed topology. An additional routing scheme is also proposed and simulated to exploit the new topology to gain better path length.