A Replicated File System for Resource Constrained Mobile Devices. Barreto, J. & Ferreira, P. 2004.
A Replicated File System for Resource Constrained Mobile Devices [link]Paper  abstract   bibtex   
The emergence of more powerful and resourceful mobile devices, as well as new wireless communication technologies, is turning the concept of ad-hoc networking into a viable and promising possibility for ubiquitous information sharing. However, the inherent characteristics of ad-hoc networks bring up new challenges for which most conventional systems don\textquoterightt provide an appropriate response. Namely, the lack of a pre-existing infrastructure, the high topological dynamism of these networks, the relatively low bandwidth of wireless links, as well as the limited storage and energy resources of mobile devices are issues that strongly affect the efficiency of any distributed system intended to provide ubiquitous information sharing. In this paper we describe Haddock-FS, a transparent replicated file system designed to support collaboration in the novel usage scenarios enabled by mobile environments. Haddock-FS is based on a highly available optimistic consistency protocol. In order to effectively cope with the network bandwidth and device memory constraints of these environments, Haddock-FS employs a limited size log truncation scheme and a cross-file, cross-version content similarity exploitation mechanism.
@conference {Barreto04areplicated,
	title = {A Replicated File System for Resource Constrained Mobile Devices},
	booktitle = {Proceedings of IADIS Applied Computing},
	year = {2004},
	abstract = {The emergence of more powerful and resourceful mobile devices, as well as new wireless communication technologies, is turning the concept of ad-hoc networking into a viable and promising possibility for ubiquitous information sharing. However, the inherent characteristics of ad-hoc networks bring up new challenges for which most conventional systems don{\textquoteright}t provide an appropriate response. Namely, the lack of a pre-existing infrastructure, the high topological dynamism of these networks, the relatively low bandwidth of wireless links, as well as the limited storage and energy resources of mobile devices are issues that strongly affect the efficiency of any distributed system intended to provide ubiquitous information sharing. In this paper we describe Haddock-FS, a transparent replicated file system designed to support collaboration in the novel usage scenarios enabled by mobile environments. Haddock-FS is based on a highly available optimistic consistency protocol. In order to effectively cope with the network bandwidth and device memory constraints of these environments, Haddock-FS employs a limited size log truncation scheme and a cross-file, cross-version content similarity exploitation mechanism.},
	keywords = {ad-hoc networks, ubiquitous computing},
	url = {http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.144.9141},
	author = {Jo{\~a}o Barreto and Paulo Ferreira}
}

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