Abstract
Web services cannot be always available as they are typically deployed in a dynamic environment. As an effective approach to improving Web services availability, replication has received much attention recently. How to design an optimal replication scheme with the best QoS, however, remains an open problem due to its inherent computational hardness. In this paper, we propose an efficient approach to designing a near-optimal replication scheme. We adopt directed acyclic graph (DAG) as the modeling tool for replication scheme and then utilize DAG coding for performance optimization. Simulation results show our approach can generate a near-optimal replication scheme with acceptable computation overheads.
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Liu, A., Li, Q., Huang, L. (2011). Quality Driven Web Services Replication Using Directed Acyclic Graph Coding. In: Bouguettaya, A., Hauswirth, M., Liu, L. (eds) Web Information System Engineering – WISE 2011. WISE 2011. Lecture Notes in Computer Science, vol 6997. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-24434-6_28
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DOI: https://doi.org/10.1007/978-3-642-24434-6_28
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-24433-9
Online ISBN: 978-3-642-24434-6
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