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EEcient communication in networks is a prerequisite to exploit the performance of large parallel systems. For this reason much eeort has been done in recent years to develop eecient communication mechanisms. In this paper we survey the foundations and recent developments in designing and analyzing eecient packet routing algorithms.

Learning and adaptation are essential capabilities for intelligent arti cial systems that operate autonomously in complex and uncertain environments. Classi er Systems (CSs) exploit genetic algorithms to learn behavioral strategies, in terms of a set of condition/action rules, from the direct interaction either with powerful simulations of the task environment or with the environment itself. Ar...

Parallel operating systems are the interface between parallel comput

The success of a CDI Grid is dependent upon the design of its storage infrastructure. As seen in Chapter 7, processing in this environment revolves around the simultaneous movement and transformation of data on many compute elements. Effective storage solutions combine hardware and software to meet these needs. The storage hardware selected must provide enough raw throughput for the expected wo...

1 ALBA-R: LoadBalancing Geographic Routing Around Connectivity Holes in Wireless Sensor Networks This paper presents ALBA-R, a protocol for convergecasting in wireless sensor networks. ALBA-R features the cross-layer integration of geographic routing with contention-based MAC for relay selection and load balancing (ALBA) as well as a mechanism to detect and route around connectivity holes (Rain...