A New Peer-to-Peer-Based Interoperable Spatial Sensor Web Architecture

With the rapid advances in sensor network, and information and communication technologies, the vision of a World-Wide Sensor Web (WSW) is becoming a reality. However, there is a lack of a spatial information infrastructure that could aggregate the independent geo-sensor networks into a coherent Spatial Sensor Web (SSW). The SSW vision brings two architectural challenges to today's GIService systems: scalability and interoperability. This paper introduces GeoSWIFT 2.0, a new scalable and interoperable SSW architecture. GeoSWIFT 2.0 is scalable - it removes all single points of failure and system performance bottlenecks by using a fully decentralized P2P spatial query framework. GeoSWIFT 2.0 is also interoperable - it integrates interoperable sensor web standards with the scalable P2P framework.