MobiCom '98 Proceedings of the 4th annual ACM/IEEE international conference on Mobile computing and networking
A low-bandwidth network file system
SOSP '01 Proceedings of the eighteenth ACM symposium on Operating systems principles
An Empirical Study of Delta Algorithms
ICSE '96 Proceedings of the SCM-6 Workshop on System Configuration Management
Version Control With Subversion
Version Control With Subversion
ACM Computing Surveys (CSUR)
Pastiche: making backup cheap and easy
OSDI '02 Proceedings of the 5th symposium on Operating systems design and implementationCopyright restrictions prevent ACM from being able to make the PDFs for this conference available for downloading
Semantic-Chunks a middleware for ubiquitous cooperative work
ARM '05 Proceedings of the 4th workshop on Reflective and adaptive middleware systems
Amazon S3 for science grids: a viable solution?
DADC '08 Proceedings of the 2008 international workshop on Data-aware distributed computing
Demystifying data deduplication
Proceedings of the ACM/IFIP/USENIX Middleware '08 Conference Companion
Efficient locally trackable deduplication in replicated systems
Proceedings of the 10th ACM/IFIP/USENIX International Conference on Middleware
Communications of the ACM
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The emerging of cloud file sharing systems has been motivated by real user needs for data sharing. There are many solutions providing such sharing support all having the common goal of being widely scalable while providing users with consistent shared data. However, offering consistent data is at odds with scalability as it requires many messages and available network bandwith for file transfer. Network bandwidth can be minimized using several techniques such as compression, deduplication[10], delta encoding[9], etc. However, these approaches do not take into account that not all files must be fully consistent at all times for all users. In this paper we further increase the scalability of a cloud file sharing system, called vfcBOX, by taking into account the notion of users interest. This means that vfcBOX considers users' consistency needs regarding shared files, to avoid sending useless (or unnecessary) data through the network. As a matter of fact, some files do not need to be constantly propagated to all users, because some of them do not require such immediacy given the particular semantics of the shared data. vfcBOX uses not only deduplication techniques to minimize network usage but also a consistency model that takes into account the users' interests. The result is a scalable and efficient cloud file sharing system that fulfills users needs regarding data sharing.