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The paper proposes two distributed algorithms for the construction of a connected dominating set (CDS) in a mobile ad hoc network. The CDS can be used as a virtual backbone for efficient communication in the ad hoc networks and consequently allow scalability of distributed algorithms implemented for these networks. The proposed algorithms organize the entire network topology into clusters and the...
Mobile ad hoc networks (MANETs) have significantly enhanced the wireless networks by eliminating the need for any fixed infrastructure. Hence, these are increasingly being used for expanding the computing capacity of existing networks or for implementation of autonomous mobile computing Grids. However, the fragile nature of MANETs makes the constituent nodes susceptible to failures and the computing...
A global checkpoint of a distributed computation is formed by a set of local checkpoints, one from each process in the system. However, a local checkpoint taken by a process may be useless if it cannot be part of any consistent global checkpoint. Since checkpointing is expensive in MANETs due to the limitation of available resources, such useless checkpoints need to be prevented for an efficient checkpointing...
The nodes in mobile ad hoc networks (MANETs) are susceptible to various types of failures and therefore the protocols designed for these networks are required to be fault tolerant. Checkpointing and rollback recovery is a well explored fault tolerance technique for the static and cellular mobile distributed systems. However, it is not trivially applicable to MANETs due to their dynamic topology and...
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