A Gateway-Based Approach for Information Retrieval From Data-Centric Wireless Sensor Networks From IP Hosts

It would be useful if an IP-based host could collect information from multiple remote data-centric networks using a predefined Application Programming Interface (API). This research presents two APIs for gathering named data from remote WSNs - one API for wireless sensor nodes in the data-centric directed diffusion WSN and the other API for IP-based nodes residing on an IP network outside of the WSN. An associated WSN middleware layer used to effectively connect these two APIs through an application-layer gateway is also described. These three components work together in harmony to support gathering of sensed data from one or more remote WSNs through an application layer gateway which connects different remote WSNs to an IP network.