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Event-to-Sink Reliable Transport in Wireless Sensor Networks

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To accomplish this, a reliable transportmechanismis required in addition to robust modulation and media access, link error control and fault tolerant routing. The functionalities and design of a suitable transport solution for WSN are the main issues addressed in this paper. The need for a transport layer for data delivery in WSN was questioned in a recent work [12] under the premise that data flows from source to sink are generally loss tolerant. While the need for end-to-end reliability may not exist due to the sheer amount of correlated data flows, an event in the sensor field needs to be tracked with a certain accuracy at the sink. Hence, unlike traditional.