Y. Tobe (Japan)
Sensor Networks, API
This paper presents a new model for sensor networks, Shared Distribution Map (SDMap). One challenge for sensor networks from the perspective of a network architecture is the way the recipients of sensor data handle them. Instead of a socket-type interface, we provide a two dimensional map of data distribution that is visible to all receiving nodes. SDMap has several features: automatic elaboration of an area exhibiting a large change in data, data freshness control, and synchronization among caches. A recipient can either subscribe to a portion of the map or request for data at specific area without being aware of the underlying network. In this paper we describe the design issues for SDMap.
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