Applications - Network and Systems Lab

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Development Process • Prototyping & tuning & tuning & tuning… Execute the prototype IPSN 2013 Ph.D. Forum developer Modify Develop a prototype High data loss rate Obtain the Tune the quality quality Change the following: ‣ task assignments ‣ e.g. assign tasks to more nodes ‣ communications ‣ e.g. change a routing protocol Rapid prototyping & fine-grained tuning is important 3
IPSN 2013 Ph.D. Forum WSN Application Development • Development with domain specific language (DSL) Node-level Group-level Dataflow-level trade-off between the feasibility of the rapid prototyping and the fine-grained tuning Aggregate data data • region = apmesh_region.create(); while(true){ SELECT temp, AVG(deformatin) … reading = get_sensor_reading(); FROM sensors send_to_basestation(avg); SAMPLE PERIOD 5 sleep(periodic_delay); } e.g. NesC [Gay03] e.g. Abstract regions [Welsh04] e.g. TinyDB [Madden05] classified into three classes based on the level of abstraction [Mottola11] 4 … event void Timer.fired(){ call Read.read(); } event void Read.readDone(error_t result, uint16_t data){ msg->deform = data; call Collection.send(&msg, sizeof(deform_msg_t)); } …. [Gay ’ 03] “The nesC Language: A Holistic Approach to Networked Embedded Systems”, D. Gay et al., PLDI 2003. [Welsh ’ 04] “Programming Sensor Networks Using Abstract Regions”, Matt Welsh and Geoff Mainland, NSDI 2004. [Madden ’ 05] “TinyDB: An Acqusitional Query Processing System for Sensor Networks”, S. Madden et al., TODS 2005. [Mottola11] L. Mottola et al. “Programming wireless sensor networks: Fundamental concepts and state of the art,” ACM Comput. Surv., 2011.
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