On the parallels between paxos and raft, and how to port optimizations

Zhaoguo Wang; Changgeng Zhao; Shuai Mu; Haibo Chen; Jinyang Li

doi:10.1145/3293611.3331595

On the parallels between paxos and raft, and how to port optimizations

Zhaoguo Wang
, Changgeng Zhao
, Shuai Mu
, Haibo Chen
, Jinyang Li

Computer Science

Shanghai Jiao Tong University
New York University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

21 Scopus citations

Abstract

In recent years, Raft has surpassed Paxos to become the more popular consensus protocol in the industry. While many researchers have observed the similarities between the two protocols, no one has shown how Raft and Paxos are formally related to each other. In this paper, we present a formal mapping between Raft and Paxos, and use this knowledge to port a certain class of optimizations from Paxos to Raft. In particular, our porting method can automatically generate an optimized protocol specification with guaranteed correctness. As case studies, we port and evaluate two optimizations, Mencius and Paxos Quorum Lease to Raft.

Original language	English
Title of host publication	PODC 2019 - Proceedings of the 2019 ACM Symposium on Principles of Distributed Computing
Publisher	Association for Computing Machinery
Pages	445-454
Number of pages	10
ISBN (Electronic)	9781450362177
DOIs	https://doi.org/10.1145/3293611.3331595
State	Published - Jul 16 2019
Event	38th ACM Symposium on Principles of Distributed Computing, PODC 2019 - Toronto, Canada Duration: Jul 29 2019 → Aug 2 2019

Publication series

Name	Proceedings of the Annual ACM Symposium on Principles of Distributed Computing

Conference

Conference	38th ACM Symposium on Principles of Distributed Computing, PODC 2019
Country/Territory	Canada
City	Toronto
Period	07/29/19 → 08/2/19

Keywords

Optimization porting
Paxos
Raft

Access to Document

10.1145/3293611.3331595

Cite this

Wang, Z., Zhao, C., Mu, S., Chen, H., & Li, J. (2019). On the parallels between paxos and raft, and how to port optimizations. In PODC 2019 - Proceedings of the 2019 ACM Symposium on Principles of Distributed Computing (pp. 445-454). (Proceedings of the Annual ACM Symposium on Principles of Distributed Computing). Association for Computing Machinery. https://doi.org/10.1145/3293611.3331595

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Wang, Z, Zhao, C, Mu, S, Chen, H & Li, J 2019, On the parallels between paxos and raft, and how to port optimizations. in PODC 2019 - Proceedings of the 2019 ACM Symposium on Principles of Distributed Computing. Proceedings of the Annual ACM Symposium on Principles of Distributed Computing, Association for Computing Machinery, pp. 445-454, 38th ACM Symposium on Principles of Distributed Computing, PODC 2019, Toronto, Canada, 07/29/19. https://doi.org/10.1145/3293611.3331595

On the parallels between paxos and raft, and how to port optimizations. / Wang, Zhaoguo; Zhao, Changgeng; Mu, Shuai et al.
PODC 2019 - Proceedings of the 2019 ACM Symposium on Principles of Distributed Computing. Association for Computing Machinery, 2019. p. 445-454 (Proceedings of the Annual ACM Symposium on Principles of Distributed Computing).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - In recent years, Raft has surpassed Paxos to become the more popular consensus protocol in the industry. While many researchers have observed the similarities between the two protocols, no one has shown how Raft and Paxos are formally related to each other. In this paper, we present a formal mapping between Raft and Paxos, and use this knowledge to port a certain class of optimizations from Paxos to Raft. In particular, our porting method can automatically generate an optimized protocol specification with guaranteed correctness. As case studies, we port and evaluate two optimizations, Mencius and Paxos Quorum Lease to Raft.

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ER -

On the parallels between paxos and raft, and how to port optimizations

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Keywords

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