Data replication on the cloud/edge

David Mealha, Nuno Preguiça, Maria Cecília Gomes, João Leitão

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This work presents a database replication system capitalising on hybrid cloud/edge infra-structures, which may be used in novel software architectures like microservices' applications. The system aims to reduce the latency perceived by clients performing read and update operations on a database, by locating replicas on edge nodes nearer end users. The replicas' convergence algorithm is based on eventual consistency and presents a novel solution that combines Operations Transformation and CRDTs techniques. The system follows the MongoDB data model and is validated on geographically disperse Amazon AWS data centers simulating edge nodes.

Original languageEnglish
Title of host publicationProceedings of the 6th Workshop on Principles and Practice of Consistency for Distributed Data, PaPoC 2019
PublisherAssociation for Computing Machinery, Inc
ISBN (Electronic)9781450362764
DOIs
Publication statusPublished - 25 Mar 2019
Event6th Workshop on Principles and Practice of Consistency for Distributed Data, PaPoC 2019 - Dresden, Germany
Duration: 25 Mar 2019 → …

Conference

Conference6th Workshop on Principles and Practice of Consistency for Distributed Data, PaPoC 2019
CountryGermany
CityDresden
Period25/03/19 → …

Keywords

  • Cloud/edge computing
  • Replication middleware
  • Weak consistency

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