Research Paper | Computer Science & Engineering | India | Volume 4 Issue 10, October 2015
Chord4TSD: A Decentralized Trust Based Service Discovery Approach on Peer-to-Peer Networks
Abstract: Service-Oriented Computing (SOC) is emerging as a standard for developing distributed applications and having reliable, scalable and robust service discovery mechanism is a critical issue of utilizing SOC. In traditional service discovery methods for large scalable service networks, centralized registries are being used which can suffer from problems like performance bottleneck and vulnerability to failures. To overcome these problems, this paper proposes a peer-to-peer-based decentralized trust based service discovery approach named Chord4TSD. Existing decentralized service discovery approaches may also suffer from problems like data loss because of node failure and access of malicious services. Proposed Chord4TSD distributes and discovers trusted services in a decentralized manner by utilizing the data distribution and lookup capabilities of Chord4S. Functionally equivalent services are published to different successor nodes, to improve data availability, that are organized into virtual segments in the Chord4TSD. Chord4TSD supports QoS-aware trusted service discovery, based on the service publication approach. Service discovery with wildcard (s) and efficient discovery of multiple services with a single query is also supported in Chord4TSD. It considers trust factor for node and service, before fetching the service from particular node, to avoid accessing malicious services from the network. In addition, the Chord4TSD routing protocol is extended to provide WSDL file to the service consumer, which is generated at the time of service publication based on the service description provided.
Keywords: Chord4S, DHT, Peer-to-Peer P2P, SOC
Edition: Volume 4 Issue 10, October 2015,
Pages: 1977 - 1984
How to Cite this Article?
Yogini Bhamare, "Chord4TSD: A Decentralized Trust Based Service Discovery Approach on Peer-to-Peer Networks", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=SUB159214, Volume 4 Issue 10, October 2015, 1977 - 1984
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