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A Self-Organized, Fault-Tolerant and Scalable Replication Scheme for Cloud Storage
 

Summary: A Self-Organized, Fault-Tolerant and Scalable Replication
Scheme for Cloud Storage
Nicolas Bonvin, Thanasis G. Papaioannou and Karl Aberer
School of Computer and Communication Sciences
École Polytechnique Fédérale de Lausanne (EPFL)
1015 Lausanne, Switzerland
Email: firstname.lastname@epfl.ch
ABSTRACT
Failures of any type are common in current datacenters, partly due
to the higher scales of the data stored. As data scales up, its avail-
ability becomes more complex, while different availability levels
per application or per data item may be required. In this paper,
we propose a self-managed key-value store that dynamically allo-
cates the resources of a data cloud to several applications in a cost-
efficient and fair way. Our approach offers and dynamically main-
tains multiple differentiated availability guarantees to each differ-
ent application despite failures. We employ a virtual economy,
where each data partition (i.e. a key range in a consistent-hashing
space) acts as an individual optimizer and chooses whether to mi-
grate, replicate or remove itself based on net benefit maximization

  

Source: Aberer, Karl - Faculté Informatique et Communications, Ecole Polytechnique Fédérale de Lausanne

 

Collections: Computer Technologies and Information Sciences