On choosing server-or client-side solutions for BFT

Platania, M. and Obenshain, D. and Tantillo, T. and Amir, Y. and Suri, Neeraj (2016) On choosing server-or client-side solutions for BFT. ACM Computing Surveys, 48 (4): 61. ISSN 0360-0300

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Abstract

Byzantine Fault Tolerant (BFT) protocols have the ability to work correctly even when up to a threshold f of system servers are compromised. This makes them appealing for the construction of critical systems connected to the Internet, which are constantly a target for cyber attacks. BFT protocols differ based on the kind of application, deployment settings, performance, access control mechanisms, number of servers in the system, and protocol implementation. The large number of protocols present in the literature and their differences make it difficult for a system builder to choose the solution that best satisfies the requirements of the system that he wants to build. In particular, the main difference among BFT protocols lies in their system models: server-side versus client-side. In the server-side model each client relies on the system to consistently order and replicate updates, while in the client-side model each client actively participates in the protocol. In this article, we classify BFT protocols as server-side or client-side. We analyze the trade-offs between the two models, describe systems that use thesemodels and the trade-offs they choose, highlight the research gaps, and provide guidelines to system builders in order to choose the solution that best satisfies their needs.

Item Type:
Journal Article
Journal or Publication Title:
ACM Computing Surveys
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2600/2614
Subjects:
?? bft quorumsbft state machine replicationdeployment strategiesperformancetrade-offsaccess controlcommercedeployment strategystate machine replicationtrade offeconomic and social effectstheoretical computer sciencegeneral computer sciencecomputer science(al ??
ID Code:
137469
Deposited By:
Deposited On:
11 Oct 2019 14:40
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Jul 2024 11:17