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Browsing by Author "Sernadela, Pedro"

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  • D3S - a distributed storage service
    Publication . Sernadela, Pedro; Lopes, Rui Pedro
    In recent years, computing allowed an explosion of service provisioning in the cloud. The main paradigm dictates the migration of user information, such as documents, photos and others, from the desktop to the network, allowing anytime, anywhere access through the Internet. This paradigm provided a adequate environment to the emergence of online storage services, such as Amazon S3. This kind of service allows storing digital data in a transparent way, in a pay-as-you-go model. On the other hand, peer-to-peer networks have been responsible for most Internet tra c, mostly derived from the BitTorrent protocol. The inherent support to resource sharing, scalability and fault-tolerance, have been making this approach popular, particularly for le-sharing applications. This thesis presents an implementation of an S3 compatible storage service based on peer-to-peer networks, in particular, through the BitTorrent protocol. Several measurements are discussed, to assess di erences in access time and throughput.
    2012Master thesis Open access Show more
  • D3S - a distributed storage service
    Publication . Lopes, Rui Pedro; Sernadela, Pedro
    The Internet growth allowed an explosion of service provision in the cloud. The cloud paradigm dictates the users` information migration from the desktop into the network allowng access averyhere, anytime. This paradigm provided a adequate environment to the emergency of online storage services, such as Amazon S3. This kind of services allows storing digital data in a transparent way, in a pay-as-you-go model. This paper describes an implementation of an S3 compatible cloud storage service based on peer-to-peer networks, in particular, through the BitTorrent protocol. This approach allows taking advantage of the intrisic features of this kind of networks, in particular possibility for simultaneous downlouading of pieces from different locations and the fault tolerance.
    2013Conference paper Open access Show more