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    • UNIR REVISTAS
    • Revista IJIMAI
    • 2014
    • vol. 2, nº 6, june 2014
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    • Revista IJIMAI
    • 2014
    • vol. 2, nº 6, june 2014
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    A Fault-Tolerant Mobile Computing Model Based On Scalable Replica

    Autor: 
    Sati, Meenakshi
    Vikash, Vivek
    Bijalwan, Vishwanath
    Kumari, Pinki
    Raj, Manish
    Balodhi, Meenu
    Gairola, Priya
    Bhaskar Semwal, Vijay
    Fecha: 
    06/2014
    Palabra clave: 
    fault-tolerant; mobile computing; roam; data replictaion; IJIMAI
    Tipo de Ítem: 
    article
    URI: 
    https://reunir.unir.net/handle/123456789/9797
    DOI: 
    http://dx.doi.org/10.9781/ijimai.2014.267
    Dirección web: 
    https://www.ijimai.org/journal/node/615
    Open Access
    Resumen:
    The most frequent challenge faced by mobile user is stay connected with online data, while disconnected or poorly connected store the replica of critical data. Nomadic users require replication to store copies of critical data on their mobile machines. Existing replication services do not provide all classes of mobile users with the capabilities they require, which include: the ability for direct synchronization between any two replicas, support for large numbers of replicas, and detailed control over what files reside on their local (mobile) replica. Existing peer-to-peer solutions would enable direct communication, but suffers from dramatic scaling problems in the number of replicas, limiting the number of overall users and impacting performance. Roam is a replication system designed to satisfy the requirements of the mobile user. Roam is based on the Ward Model, replication architecture for mobile environments. Using the Ward Model and new distributed algorithms, Roam provides a scalable replication solution for the mobile user. We describe the motivation, design, and implementation of Roam and report its performance. Replication is extremely important in mobile environments because nomadic users require local copies of important data.
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    • vol. 2, nº 6, june 2014

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