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Wireless blockchain networks have played an important role in many network scenarios, among which wireless Practical Byzantine Fault Tolerance (PBFT) consensus is regarded as one of the most important consensus mechanisms. It enables nodes…

网络与互联网体系结构 · 计算机科学 2023-10-02 Haoxiang Luo , Qianqian Zhang , Hongfang Yu , Gang Sun , Shizhong Xu

In this paper, we propose a new gossip-based signaling dissemination method for the Next Steps in Signaling protocol family. In more detail, we propose to extend the General Internet Signaling Transport (GIST) protocol, so as to leverage…

网络与互联网体系结构 · 计算机科学 2015-03-18 M. Femminella , R. Francescangeli , G. Reali , H. Schulzrinne

Consensus is unnecessary when the truth is available. In this paper, we present a new perspective of rebuilding the blockchain without consensus. When the consensus phase is eliminated from a blockchain, transactions could be canonized…

网络与互联网体系结构 · 计算机科学 2022-09-29 Qing Wang , Jian Zheng , Huawei Huang , Jianru Lin

We study Plurality Consensus in the Gossip Model over a network of $n$ anonymous agents. Each agent supports an initial opinion or color. We assume that at the onset, the number of agents supporting the plurality color exceeds that of the…

分布式、并行与集群计算 · 计算机科学 2014-07-11 L. Becchetti , A. Clementi , E. Natale , F. Pasquale , R. Silvestri

In this short note we propose a new approach for the design and analysis of randomized gossip algorithms which can be used to solve the average consensus problem. We show how that Randomized Block Kaczmarz (RBK) method - a method for…

分布式、并行与集群计算 · 计算机科学 2016-10-18 Nicolas Loizou , Peter Richtárik

While showing great promise, Bitcoin requires users to wait tens of minutes for transactions to commit, and even then, offering only probabilistic guarantees. This paper introduces ByzCoin, a novel Byzantine consensus protocol that…

密码学与安全 · 计算机科学 2016-08-02 Eleftherios Kokoris-Kogias , Philipp Jovanovic , Nicolas Gailly , Ismail Khoffi , Linus Gasser , Bryan Ford

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…

分布式、并行与集群计算 · 计算机科学 2021-02-16 Calvin Newport , Alex Weaver , Chaodong Zheng

We present an algorithm for synchronous deterministic Byzantine consensus, tolerant to links failures and links asynchrony. It cares for a class of networks with specific needs, where both safety and liveness are essential, and timely…

分布式、并行与集群计算 · 计算机科学 2022-05-24 Ivan Klianev

We present a general consensus framework that allows to easily introduce a customizable Byzantine fault tolerant consensus algorithm to an existing (Delegated) Proof-of-Stake blockchain. We prove the safety of the protocol under the…

分布式、并行与集群计算 · 计算机科学 2021-05-06 Jan Hackfeld

Large Language Models (LLMs) have achieved remarkable success across a wide range of applications. However, individual LLMs often produce inconsistent, biased, or hallucinated outputs due to limitations in their training corpora and model…

密码学与安全 · 计算机科学 2025-05-09 Haoxiang Luo , Gang Sun , Yinqiu Liu , Dongcheng Zhao , Dusit Niyato , Hongfang Yu , Schahram Dustdar

Gossip protocols have been proposed as a robust and efficient method for disseminating information throughout large-scale networks. In this paper, we propose a compositional analysis technique to study formal probabilistic models of gossip…

计算机科学中的逻辑 · 计算机科学 2023-06-22 Ruggero Lanotte , Massimo Merro , Simone Tini

Distributed gossip algorithm has been studied in literature for practical implementation of the distributed consensus algorithm as a fundamental algorithm for the purpose of in-network collaborative processing. This paper focuses on…

系统与控制 · 计算机科学 2015-12-14 Saber Jafarizadeh

In this paper, we present BunchBFT Byzantine fault-tolerant state-machine replication for high performance and scalability. At the heart of BunchBFT is a novel design called the cluster-based approach that divides the replicas into clusters…

分布式、并行与集群计算 · 计算机科学 2022-05-24 Salem Alqahtani , Murat Demirbas

The goal of this article is to extend the ideas concerning Bracha-Toueg asynchronous Byzantine Fault Tolerant consensus algorithm and Baird's Hashgraph consensus. We propose a family of atomic broadcast algorithms, which Hashgraph consensus…

分布式、并行与集群计算 · 计算机科学 2019-12-13 Trafim Lasy

Consensus is a fundamental building block for constructing reliable and fault-tolerant distributed services. Many Byzantine fault-tolerant consensus protocols designed for partially synchronous systems adopt a pessimistic approach when…

分布式、并行与集群计算 · 计算机科学 2024-06-12 Diogo Avelãs , Hasan Heydari , Eduardo Alchieri , Tobias Distler , Alysson Bessani

This paper proposes and investigates a framework for clique gossip protocols. As complete subnetworks, the existence of cliques is ubiquitous in various social, computer, and engineering networks. By clique gossiping, nodes interact with…

分布式、并行与集群计算 · 计算机科学 2017-06-09 Yang Liu , Bo Li , Brian Anderson , Guodong Shi

Distributed ledger technology has gained wide popularity and adoption since the emergence of bitcoin in 2008 which is based on proof of work (PoW). It is a distributed, transparent and immutable database of records of all the transactions…

分布式、并行与集群计算 · 计算机科学 2018-10-10 Abdul Wahab , Waqas Mehmood

Algorithms for community detection are usually stochastic, leading to different partitions for different choices of random seeds. Consensus clustering has proven to be an effective technique to derive more stable and accurate partitions…

物理与社会 · 物理学 2019-04-23 Aditya Tandon , Aiiad Albeshri , Vijey Thayananthan , Wadee Alhalabi , Santo Fortunato

Classic BFT consensus protocols guarantee safety and liveness for all clients if fewer than one-third of replicas are faulty. However, in applications such as high-value payments, some clients may want to prioritize safety over liveness.…

分布式、并行与集群计算 · 计算机科学 2023-12-05 Joachim Neu , Srivatsan Sridhar , Lei Yang , David Tse

In distributed target tracking for wireless sensor networks, agreement on the target state can be achieved by the construction and maintenance of a communication path, in order to exchange information regarding local likelihood functions.…

分布式、并行与集群计算 · 计算机科学 2015-03-20 Vladimir Savic , Henk Wymeersch , Santiago Zazo