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EmStar: Software for Wireless Sensor Networks
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EmStar is a programming model and software framework for creating Linux-based sensor network applications that are self configuring, reactive to dynamics, and can either be interactively debugged or operate without user interaction.
In traditional (e.g., Internet) programming models, problems such as routing, retransmissions after lost packets, or transient failures of nodes and links are hidden from the application. The goal of EmStar is to facilitate a more direct interaction with underlying modules by doing away with strict layering, but in a way that does not sacrifice very much modularity or layers of conceptual abstraction.
The EmStar execution environment makes your code easier to debug. The same code and configuration can be run on real nodes (either using low-power radios such as motes, or 802.11), as a pure simulation, or in a hybrid mode that combines processing done in simulation and communication, sensing, and actuation on real (physical) channels. The same source code can be used in any of these modes without changes. Developers can seamlessly iterate between simulation and reality.
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Added: 30th September 2006 01:23:29 AM Modified: 30th September 2006 01:23:29 AM Visited: 560 times
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QualNet network simulation software
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Scalable Network Technologies is the developer of QualNet network simulation software. The company's mission is to improve the design, operation, and management of communication networks through simulation.
The technologies that support computer networks are bringing information to people in new and better ways every day. Emerging technologies like WiMAX, software-defined radios, and Voice over IP are just a few examples of advancements that will improve communication systems, and lives, dramatically. Network simulation is a very efficient and cost-effective way to develop new network technologies. By building virtual networks in a lab environment, researchers can test, optimize, and integrate next generation network technologies at a fraction of the cost of deploying physical testbeds.
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Added: 30th September 2006 01:17:13 AM Modified: 30th September 2006 01:17:13 AM Visited: 589 times
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