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Wednesday, August 25, 2004

Wireless Grids: Distributed Resource Sharing : IEEE internet computing

via Roland Piquepaille's Technology Trends Grid computing lets devices connected to the Internet, overlay peer-to-peer networks, and the nascent wired computational grid dynamically share network-connected resources. The wireless grid extends this sharing potential to mobile, nomadic, or fixed-location devices temporarily connected via ad hoc wireless networks.In some ways, wireless grids resemble networks already found in connection with agricultural, military, transportation, air-quality, environmental, health, emergency, and security systems. A range of institutions, from the largest governments to very small enterprises, will own and at least partially control wireless grids. Following Metcalfe’s law, grid-based resources become more valuable as the number of devices and users increases. The wireless grid makes it easier to extend grid computing to large numbers of devices that would otherwise be unable to participate and share resources. While grid computing attracts much research, resource sharing across small, ad hoc, mobile, and nomadic grids draws much less.The wireless grid application may be classified as three mutually non -inclusive classes:
Class 1: Applications aggregating information from the range of input/output interfaces found in nomadic devices.
Class 2: Applications leveraging the locations and contexts in which the devices exist.
Class 3: Applications leveraging the mesh network capabilities of groups of nomadic devices. Wireless grids offer a wide variety of possible applications. They can reach both geographic locations and social settings that computers have not traditionally penetrated. Wireless grids present three novel elements: new resources,new places of use, and new institutional ownership and control patterns. Wireless devices bring new resources to distributed computing. In addition to typical computational resources such as processor power, disk space, and applications, wireless devices increasingly employ cameras, microphones, GPS receivers, and accelerometers, as well as an assortment of network interfaces (cell, radio, Wi-Fi, and Bluetooth). The article concludes with an excellent perspective,"The emergence of wireless grids parallels the historical trend that has seen computing shift from a hierarchical structure—in which computing was an organizationally controlled activity—to a situation in which the only guarantee is that individual users will follow their strategic interests.Application developers have an opportunity to draw on the new resources, interfaces, and locations that wireless devices provide".The original article can be foundhere. An excellent article in recent times talking about possibilities that can have profound impact in its application and can bring huge impact to computing benefits.
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