NDLI: Δ-CRDTs: making Δ-CRDTs delta-based

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Δ-CRDTs: making Δ-CRDTs delta-based

Content Provider	ACM Digital Library
Author	van der Linde, Albert Leitão, João Preguiça, Nuno
Abstract	Replication is a key technique for providing both fault tolerance and availability in distributed systems. However, managing replicated state, and ensuring that these replicas remain consistent, is a non trivial task, in particular in scenarios where replicas can reside on the client-side, as clients might have unreliable communication channels and hence, exhibit highly dynamic communication patterns. One way to simplify this task is to resort to CRDTs, which are data types that enable replication and operation over replicas with no coordination, ensuring eventual state convergence when these replicas are synchronized. However, when the communication patters, and therefore synchronization patterns, are highly dynamic, existing designs of CRDTs might incur in excessive communication overhead. To address those scenarios, in this paper we propose a new design for CRDTs which we call Δ-CRDT, and experimentally show that under dynamic communication patters, this novel design achieves better network utilization than existing alternatives.
Starting Page	1
Ending Page	4
Page Count	4
File Format	PDF
ISBN	9781450342964
DOI	10.1145/2911151.2911163
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2016-04-18
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Replication Weak consistency Crdt
Content Type	Text
Resource Type	Article

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