NDLI: On Exploiting Locality for Generalized Consensus

Content Provider	IEEE Xplore Digital Library
Author	Peluso, S. Turcu, A. Palmieri, R. Ravindran, B.
Copyright Year	2015
Description	Author affiliation: Virginia Tech, Blacksburg, VA, USA (Peluso, S.; Turcu, A.; Palmieri, R.; Ravindran, B.)
Abstract	Single leader-based Consensus protocols are known to stop scaling once the leader reaches its saturation point. On the other hand, establishing Consensus of commands by taking into account only their dependencies (as specified by Generalized Consensus) is appealing because of the potentially higher parallelism and lower latency. However, current solutions have well-known pitfalls due to the higher quorum size, which is required to exploit low-latency fast decisions, and the need for tracking dependency relations. In this paper we briefly introduce M2PAXOS, a new implementation of Generalized Consensus that provides a fast decision of commands by leveraging a classic quorum size, which matches just the majority of nodes deployed. $M^{2}PAXOS$ does not establish command dependencies based on conflicts, rather it associates accessed objects with nodes, so that the delivery decision of commands operating on the same objects is made by a common node. The evaluation study of M2PAXOS confirms its effectiveness by showing an improvement up to 7× over state-of-the-art (Generalized) Consensus protocols.
Starting Page	766
Ending Page	767
File Size	166229
Page Count	2
File Format	PDF
ISBN	9781467372145
ISSN	10636927
DOI	10.1109/ICDCS.2015.99
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols Scalability Delays Throughput Distributed databases Buildings Instruction sets Generalized Consensus Locality
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Hardware and Architecture Software

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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