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Existing publish/subscribe architectures for wirelesssensors networks only support stationary sensors interconnectedwith each other. They cannot handle mobile sensors or remotesensors that are sparsely deployed. In this paper, we propose anovel ubiquitous publish/subscribe system that supports data accessfrom both mobile sensors and stationary sensors. Our systemutilizes mobile phones as data mules...
Real deployments of the IoT require security. CoAP is being standardized as an application layer protocol for the Internet of Things (IoT). CoAP proposes to use DTLS to provide end-to-end security to protect the IoT. DTLS is a heavyweight protocol and its headers are too long to fit in a single IEEE802.15.4 MTU. 6LoWPAN provides header compression mechanisms to reduce the size of upper layer headers...
Embedded devices connected to the Internet will start an increasing growth of the Internet in near future. Wireless Sensor Networks (WSN) will play a major role in that growth. In the past several solutions were proposed to make sensor network sip capable. Today there are IPv6-Stacks available including web servers running on sensor nodes. However, a gateway is always needed to convert the routing...
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