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arXiv 2102.06804cs.DC
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智能手机P2P网络中的异步流言

Asynchronous Gossip in Smartphone Peer-to-Peer Networks

Calvin Newport, Alex Weaver, Chaodong Zheng

摘要:

在本文中,我们研究八卦算法的通信模型,描述了对等网络的功能,包括在大多数标准的智能手机操作系统。首先,我们描述和分析了一个新的同步八卦算法,在这种情况下,具有更快的轮复杂度和更简单的操作比最知名的现有解决方案。我们还证明了一个新的下限轮解决八卦,解决了一个未成年人的开放问题,建立现有的同步解决方案的最佳对数因子内。然后,我们调整我们的同步算法,以产生一个新的八卦策略的异步模型,直接捕获的接口的标准智能手机点对点网络库(使算法在此模型中描述的可以很容易地实现在真正的手机)。使用新的分析技术,我们证明了这种异步策略有效地解决了八卦。这是智能手机点对点设置的第一个已知的高效异步信息传播结果。我们认为,我们的新策略可以用来实现有效的信息传播子程序在现实世界中的智能手机点对点网络应用程序,我们开发的分析工具来分析它可以被用来产生其他广泛有用的算法策略,这个日益重要的设置。

英文摘要:

In this paper, we study gossip algorithms in communication models that describe the peer-to-peer networking functionality included in most standard smartphone operating systems. We begin by describing and analyzing a new synchronous gossip algorithm in this setting that features both a faster round complexity and simpler operation than the best-known existing solutions. We also prove a new lower bound on the rounds required to solve gossip that resolves a minor open question by establishing that existing synchronous solutions are within logarithmic factors of optimal. We then adapt our synchronous algorithm to produce a novel gossip strategy for an asynchronous model that directly captures the interface of a standard smartphone peer-to-peer networking library (enabling algorithms described in this model to be easily implemented on real phones). Using new analysis techniques, we prove that this asynchronous strategy efficiently solves gossip. This is the first known efficient asynchronous information dissemination result for the smartphone peer-to-peer setting. We argue that our new strategy can be used to implement effective information spreading subroutines in real world smartphone peer-to-peer network applications, and that the analytical tools we developed to analyze it can be leveraged to produce other broadly useful algorithmic strategies for this increasingly important setting.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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