NDLI: A unifying link abstraction for wireless sensor networks

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A unifying link abstraction for wireless sensor networks

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A unifying link abstraction for wireless sensor networks

Content Provider	ACM Digital Library
Author	Zhao, Jerry Polastre, Joseph Shenker, Scott Hui, Jonathan Culler, David Levis, Philip Stoica, Ion
Abstract	Recent technological advances and the continuing quest for greater efficiency have led to an explosion of link and network protocols for wireless sensor networks. These protocols embody very different assumptions about network stack composition and, as such, have limited interoperability. It has been suggested [3] that, in principle, wireless sensor networks would benefit from a unifying abstraction (or "narrow waist" in architectural terms), and that this abstraction should be closer to the link level than the network level. This paper takes that vague principle and turns it into practice, by proposing a specific unifying sensornet protocol (SP) that provides shared neighbor management and a message pool.The two goals of a unifying abstraction are generality and efficiency: it should be capable of running over a broad range of link-layer technologies and supporting a wide variety of network protocols, and doing so should not lead to a significant loss of efficiency. To investigate the extent to which SP meets these goals, we implemented SP (in TinyOS) on top of two very different radio technologies: B-MAC on mica2 and IEEE 802.15.4 on Telos. We also built a variety of network protocols on SP, including examples of collection routing [53], dissemination [26], and aggregation [33]. Measurements show that these protocols do not sacrifice performance through the use of our SP abstraction.
Starting Page	76
Ending Page	89
Page Count	14
File Format	PDF
ISBN	159593054X
DOI	10.1145/1098918.1098928
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2005-11-02
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Protocol architecture Wireless sensor networks Link protocols Network protocols Network abstractions
Content Type	Text
Resource Type	Article

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