Abstract: Grid computing has recently migrated from traditional high performance and distributed computing to pervasive and utility computing based on the advanced capabilities of the wireless networks and the lightweight, thin devices. As a result the emergence of a new computing paradigm which evolved is the Mobile Grid. This paper presents the simulation results in order to choose the best routing protocol to give the highest performance. When implement the routing protocols in the target mobile grid application. The simulations comparing three ad hoc routing protocols named DSDV, DSR and AODV. The simulations have shown that the conventional routing protocols like DSR have a dramatic decrease in performance when mobility is high. However the AODV and DSDV are perform very well when mobility is high

• Publication Date: 02-Jun-2014
• DOI: 10.15224/978-1-63248-010-1-37
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Abstract: In grid computing, resources are used outside the boundary of organizations and it becomes increasingly difficult to guarantee that resources being used are not malicious. Also, resources may enter and leave the grid at any time. So, fault tolerance is a crucial issue in grid computing. Fault tolerance can enhance grid throughput, utilization, response time and more economic profits. All mechanisms proposed to deal with fault-tolerant issues in grids are classified into: job replication and job checkpointing techniques. These techniques are used according to the requirements of the computational grid and the type of environment, resources and virtual organizations it is supposed to work with. Each has its own advantages and disadvantages which forms the subject matter of this paper.

• Publication Date: 02-Jun-2014
• DOI: 10.15224/978-1-63248-010-1-106
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