Analysis and Design of DOORS, in the Context of Consistency, Availability, Partitioning and Latency

Dorin Mihai Palanciuc Mawas
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引用次数: 1

Abstract

DOORS is a distributed system proposal that provides execution and storage services in the form of "objects", which encapsulate both state and behaviour. We start by briefly describing the current state of the DOORS solution, as detailed in previous work. We then outline the class of problems that we aim to solve with DOORS, and provide brief motivations for the architectural choices. As direct consequences of the chosen architecture (distributed message passing in favour of shared memory) we analyse the following critical aspects: concurrency control, replication and the choice between consistency and availability. With the support of this analysis, we identify and present 3 different "kinds" of inter-node communication. In spite of their apparent similarity, these scenarios are addressed differently into the design, such that the implementation of DOORS remains correct, consistent and useful.
在一致性、可用性、分区和延迟的背景下,门的分析与设计
DOORS是一个分布式系统方案,它以“对象”的形式提供执行和存储服务,它封装了状态和行为。我们首先简要地描述DOORS解决方案的当前状态,正如前面工作中详细介绍的那样。然后,我们概述了我们要用DOORS解决的问题类别,并提供了架构选择的简要动机。作为所选架构的直接结果(支持共享内存的分布式消息传递),我们分析了以下关键方面:并发控制、复制以及一致性和可用性之间的选择。在此分析的支持下,我们识别并提出了3种不同的节点间通信“类型”。尽管它们明显相似,但这些场景在设计中被处理得不同,这样DOORS的实现仍然是正确的、一致的和有用的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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