An Overview of Standards and Related Technology in Web Services
Distributed and Parallel Databases
Replication strategies in unstructured peer-to-peer networks
Proceedings of the 2002 conference on Applications, technologies, architectures, and protocols for computer communications
Super-peer-based routing and clustering strategies for RDF-based peer-to-peer networks
WWW '03 Proceedings of the 12th international conference on World Wide Web
QoS computation and policing in dynamic web service selection
Proceedings of the 13th international World Wide Web conference on Alternate track papers & posters
A Framework and Ontology for Dynamic Web Services Selection
IEEE Internet Computing
Information Technology and Management
A Broker-Based Framework for QoS-Aware Web Service Composition
EEE '05 Proceedings of the 2005 IEEE International Conference on e-Technology, e-Commerce and e-Service (EEE'05) on e-Technology, e-Commerce and e-Service
Peer-to-peer management of XML data: issues and research challenges
ACM SIGMOD Record
A QoS Broker Based Architecture for Efficient Web Services Selection
ICWS '05 Proceedings of the IEEE International Conference on Web Services
Peer-to-peer based QoS registry architecture for web services
DAIS'07 Proceedings of the 7th IFIP WG 6.1 international conference on Distributed applications and interoperable systems
Efficient and transparent web-services selection
ICSOC'05 Proceedings of the Third international conference on Service-Oriented Computing
On distributed service selection for qos driven service composition
EC-Web'06 Proceedings of the 7th international conference on E-Commerce and Web Technologies
A survey and comparison of peer-to-peer overlay network schemes
IEEE Communications Surveys & Tutorials
A Scalable Approach for QoS-Based Web Service Selection
Service-Oriented Computing --- ICSOC 2008 Workshops
A hybrid approach for efficient Web service composition with end-to-end QoS constraints
ACM Transactions on the Web (TWEB)
Capacity and load-aware service discovery with service selection in peer-to-peer grids
Future Generation Computer Systems
A Survey of Web Services Provision
International Journal of Systems and Service-Oriented Engineering
A Hadoop-based approach for efficient web service management
International Journal of Web and Grid Services
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QoS (Quality of Service) is the key factor to differentiate web services with same functionality. Users can evaluate and select services based on their quality information. Traditionally, run-time QoS of web services is collected and stored in centralized QoS registry, which may have scalability and performance problem. More importantly, centralized registry can not operate across business boundaries to support global scale application of web services. In this paper, we propose a P2P (Peer-to-Peer) QoS registry architecture for web services, named Q-Peer. The architecture is a Napster-like P2P system, where query of QoS is naturally achieved by getting QoS storage address from service registry. Q-Peer employs object replication mechanism to keep load-balance of the whole system. We present two types of replication schemes and conduct comparison study. A prototype of Q-Peer has been implemented and tested on Planet-lab. Experimental results show that Q-Peer can automatically balance load among peers in different circumstances, so the system has good performance and scalability.