NDLI: A Scalable Conflict-Free Replicated Set Data Type

Content Provider	IEEE Xplore Digital Library
Author	Deftu, A. Griebsch, J.
Copyright Year	2013
Abstract	Replication of state is the fundamental approach to achieve scalability and availability. In order to maintain or restore replica consistency under updates, some form of synchronization is needed. Conflict-free Replicated Data Types (CRDTs) ensure eventual consistency, such that replicas converge to a common state, equivalent to a correct sequential execution without foreground synchronization. A particular CRDT is the set data type, which is a pervasive abstraction for storing collections of unique elements and constitutes an important building block for other, more complex data structures. Since the original specification is not scalable, we improve it by introducing an efficient algorithm for sending deltas of updates between replicas and by partitioning a set replica into disjunctive subsets. We further add support for limited-lifetime elements, which, in turn, enable simple garbage collection strategies to address the problem of unbounded database growth. Lastly, implementation details and evaluation results of a client library for this data structure are presented.
Starting Page	186
Ending Page	195
File Size	799995
Page Count	10
File Format	PDF
ISBN	9780769550008
ISSN	10636927
DOI	10.1109/ICDCS.2013.10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Payloads Synchronization Vectors Data structures Radiation detectors Distributed databases Scalability distributed systems eventual consistency data replication
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Hardware and Architecture Software

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