A Declarative Sensornet Architecture Arsalan Tavakoli , David Chu , Joseph M. Hellerstein , Phillip Levis ¡ , and Scott Shenker Berkeley EECS Dept. Berkeley, California 94720 {arsalan, davidchu, hellerstein}@cs.berkeley.edu shenker@icsi.berkeley.edu UC CS Dept. Stanford, California 94305 pal@cs.stanford.edu ¡ Stanford Introduction DSN Overview Increased code reuse, independent development, and interoperability are three key missing characteristics of sensornet programming today that motivate the need for an overall sensornet architecture. Architecture traditionally implies a componentized modular framework in which narrow interfaces provide the only form of communication between layers encapsulating speci c functions and services. The Internet architecture provides the classic example of the modular approach. A modular approach is not without its limitations and issues. The rigid layering makes incorporating cross-layer services, an integral part of sensornets, dif cult, often violating a host of architectural principles. Furthermore, the tight integration of the upper stack in sensornets makes separating the network, transport, and application layers along cleanly de ned boundaries a dif cult if not impossible task. Some even claim that a modular architecture is overly constraining and hinders growth and progress for researchers [13]. We propose a new point in the design space, DSN [2], a programming paradigm for
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A declarative sensornet architecture
Tavakoli, Arsalan; Chu, David; Hellerstein, Joseph M.; Levis, Phillip; Shenker, Scott
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, Volume 4 (3)
Association for Computing Machinery – Jul 1, 2007
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