Borrowing an identity for a distributed counter

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Date
2017
Authors
Vítor Manuel Duarte
Carlos Baquero
Paulo Sérgio Almeida
Leitão,J
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Abstract
Conflict-free Replicated Data Types (CRDTs) are data abstractions (registers, counters, sets, maps, among others) that provide a relaxed consistency model called Eventual Consistency. Current designs for CRDT counters do not scale, having a size linear with the number of both active and retired nodes (i.e., nodes that leave the system permanently after previously manipulating the value of the counter). In this paper we present a new counter design called Borrow-Counter, that provides a mechanism for the retirement of transient nodes, keeping the size of the counter linear with the number of active nodes. © 2017 ACM.
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