WSN deployments are growing at a fast rate; however, current WSN architectures and setup do not promote the sharing of data on an inter-WSN basis. Cloud computing has emerged as a promising area to deal with participatory and collaborative data and services, and is envisaged that collaborative cloud computing WSN could be a viable solution for sharing data and services for WSN applications. In this paper, SOA based architecture has been proposed to support collaborating cloud computing in WSN. The architecture consists of layered service stack that has management, information, presentation and communication layers with all required services and repositories. Interactions between WSN, subscribers and other cloud are also presented as sequence diagrams. The proposed framework serves the cloud subscribers with wide range of queries on the data of multiple WSNs through suitable interface to solve large scale problems.

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In the current decade, substantial growth in number of wireless sensor network deployments to sense a wide array of data ranging from environmental to healthcare is observed. As these WSNs are designed with the goal to serve their own organisation without futuristic idea of sharing the data with others, their architectures pose a limitation to the purpose of collaboration. A design is presented in this paper to create stack of services, interfaces and repositories for a standard WSN set-up to support collaboration which will enable data sharing in efficient way. With the help of proposed architecture, the service brokers, federal agencies and individuals can make use of these services to enrich their understanding of geo-spatial and temporal behaviour of the sensed data. The SOA comes as the ready to use technological standard to implement the stack and its invocation.

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