Paxos Made Moderately Complex

Renesse, Robbert van; Altinbüken, Deniz

doi:10.1145/2673577

Cited by 117 publications

(110 citation statements)

References 30 publications

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“…One could consider using a consensus protocol such as Paxos [41]. However, we argue it would be an overkill for such a simple task as Paxos is by no means a light protocol [42].…”

Section: Tunable Replicationmentioning

confidence: 96%

Keeping up with storage: Decentralized, write-enabled dynamic geo-replication

Matri

Pérez

Costan

et al. 2018

Future Generation Computer Systems

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Large-scale applications are ever-increasingly geo-distributed. Maintaining the highest possible data locality is crucial to ensure high performance of such applications. Dynamic replication addresses this problem by dynamically creating replicas of frequently accessed data close to the clients. This data is often stored in decentralized storage systems such as Dynamo or Voldemort, which offer support for mutable data. However, existing approaches to dynamic replication for such mutable data remain centralized, thus incompatible with these systems. In this paper we introduce a writeenabled dynamic replication scheme that leverages the decentralized architecture of such storage systems. We propose an algorithm enabling clients to locate tentatively the closest data replica without prior request to any metadata node. Large-scale experiments on various workloads show a read latency decrease of up to 42% compared to other state-ofthe-art, caching-based solutions.

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“…One could consider using a consensus protocol such as Paxos [41]. However, we argue it would be an overkill for such a simple task as Paxos is by no means a light protocol [42].…”

Section: Tunable Replicationmentioning

confidence: 96%

Keeping up with storage: Decentralized, write-enabled dynamic geo-replication

Matri

Pérez

Costan

et al. 2018

Future Generation Computer Systems

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“…This paper describes only those modules, which we continue to call Replicas. An account of how these consensus decisions are used may be found in the description of the Paxos protocol [39,57].…”

Section: A Specification Of 2/3 Consensusmentioning

confidence: 99%

“…7 presents EventML's syntax and static semantics. Even though we illustrate our methodology on a simple consensus protocol, we have successfully used this methodology to implement industrial strength fault-tolerant distributed protocols such as Multi-Paxos [39,57]. More material can be found at the following address: http://nuprl.org/KB/show.php?ID=709.…”

Section: Introductionmentioning

confidence: 99%

EventML: Specification, verification, and implementation of crash-tolerant state machine replication systems

Rahli

Guaspari²,

Bickford

et al. 2017

Science of Computer Programming

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Distributed programs are known to be extremely difficult to implement, test, verify, and maintain. This is due in part to the large number of possible unforeseen interactions among components, and to the difficulty of precisely specifying what the programs should accomplish in a formal language that is intuitively clear to the programmers. We discuss here a methodology that has proven itself in building a state of the art implementation of Multi-Paxos and other distributed protocols used in a deployed database system. This article focuses on the logical foundations as well as the basic ideas of formal EventML programming, illustrated by implementing a fault-tolerant consensus protocol and showing how we prove its safety properties with the Nuprl proof assistant.

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“…We started from an existing informal English specification of the protocol and its correctness properties [20]. While it took us years when counting the development of the tools and libraries of tactics and lemmas, it is now possible to formally specify Synod in a few days and verify it in a few weeks.…”

Section: Generation and Verification Of A Broadcast Servicementioning

confidence: 99%

Developing Correctly Replicated Databases Using Formal Tools

Schiper

Rahli

Renesse

et al. 2014

2014 44th Annual IEEE/IFIP International Conference on Dependable Systems and Networks

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Abstract-Fault-tolerant distributed systems often contain complex error handling code. Such code is hard to test or model-check because there are often too many possible failure scenarios to consider. As we will demonstrate in this paper, formal methods have evolved to a state in which it is possible to generate this code along with correctness guarantees.This paper describes our experience with building highlyavailable databases using replication protocols that were generated with the help of correct-by-construction formal methods. The goal of our project is to obtain databases with unsurpassed reliability while providing good performance.We report on our experience using a total order broadcast protocol based on Paxos and specified using a new formal language called EventML. We compile EventML specifications into a form that can be formally verified while simultaneously obtaining code that can be executed. We have developed two replicated databases based on this code and show that they have performance that is competitive with popular databases in one of the two considered benchmarks.

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Paxos Made Moderately Complex

Cited by 117 publications

References 30 publications

Keeping up with storage: Decentralized, write-enabled dynamic geo-replication

Keeping up with storage: Decentralized, write-enabled dynamic geo-replication

EventML: Specification, verification, and implementation of crash-tolerant state machine replication systems

Developing Correctly Replicated Databases Using Formal Tools

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