21 citations · 99 across the 38 of their papers we have counts for
38 papers
Performance and Reliability Analysis for Practical Byzantine Fault Tolerance with Repairable Voting Nodes
Yan-Xia Chang, Qing Wang, Quan-Lin Li +1
The practical Byzantine fault tolerant (PBFT) consensus protocol is one of the basic consensus protocols in the development of blockchain technology. At the same time, the PBFT con…
Performance Evaluation, Optimization and Dynamic Decision in Blockchain Systems: A Recent Overview
Quan-Lin Li, Yan-Xia Chang, Qing Wang
With rapid development of blockchain technology as well as integration of various application areas, performance evaluation, performance optimization, and dynamic decision in block…
Dynamic Practical Byzantine Fault Tolerance and Its Blockchain System: A Large-Scale Markov Modeling
Yan-Xia Chang, Quan-Lin Li, Qing Wang +1
In a practical Byzantine fault tolerance (PBFT) blockchain network, the voting nodes may always leave the network while some new nodes can also enter the network, thus the number o…
A Markov Process Theory for Network Growth Processes of DAG-based Blockchain Systems
Xing-Shuo Song, Quan-Lin Li, Yan-Xia Chang +1
Note that the serial structure of blockchain has many essential pitfalls, thus a data network structure and its DAG-based blockchain are introduced to resolve the blockchain pitfal…
Tree Representation, Growth Rate of Blockchain and Reward Allocation in Ethereum with Multiple Mining Pools
Quan-Lin Li, Yan-Xia Chang, Chi Zhang
It is interesting but difficult and challenging to study Ethereum with multiple mining pools. One of the main difficulties comes from not only how to represent such a general tree…
Sensitivity-Based Optimization for Blockchain Selfish Mining
Jing-Yu Ma, Quan-Lin Li
In this paper, we provide a novel dynamic decision method of blockchain selfish mining by applying the sensitivity-based optimization theory. Our aim is to find the optimal dynamic…
Two Basic Queueing Models of Service Platforms in Digital Sharing Economy
Heng-Li Liu, Quan-Lin Li, Xiaole Wu +1
This paper describes two basic queueing models of service platforms in digital sharing economy by means of two different policies of platform matching information. We show that the…
Stochastic Performance Modeling for Practical Byzantine Fault Tolerance Consensus in Blockchain
Fan-Qi Ma, Quan-Lin Li, Yi-Han Liu +1
The practical Byzantine fault tolerant (PBFT) consensus mechanism is one of the most basic consensus algorithms (or protocols) in blockchain technologies, thus its performance eval…
Infections Forecasting and Intervention Effect Evaluation for COVID-19 via a Data-Driven Markov Process and Heterogeneous Simulation
Quan-Lin Li, Chengliang Wang, Yiming Xu +5
The Coronavirus Disease 2019 (COVID-19) pandemic has caused tremendous amount of deaths and a devastating impact on the economic development all over the world. Thus, it is paramou…
Matched Queues with Matching Batch Pair (m, n)
Heng-Li Liu, Quan-Lin Li, Chi Zhang
In this paper, we discuss an interesting but challenging bilateral stochastically matching problem: A more general matched queue with matching batch pair (m, n) and two types (i.e.…
A New Theoretical Framework of Pyramid Markov Processes for Blockchain Selfish Mining
Quan-Lin Li, Yan-Xia Chang, Xiaole Wu +1
In this paper, we provide a new theoretical framework of pyramid Markov processes to solve some open and fundamental problems of blockchain selfish mining under a rigorous mathemat…
Double-End Queues with Non-Poisson Inputs and Their Effective Algorithms
Heng-Li Liu, Quan-Lin Li, Yan-Xia Chang +1
It is interesting and challenging to study double-ended queues with First-Come-First-Match discipline under customers' impatient behavior and non-Poisson inputs. The system stabili…
A Closed Queueing Maintenance Network with Two Batch Policies
Rui-Na Fan, Quan-Lin Li, Xiaole Wu +1
This paper discusses a maintenance network with failed items that can be removed, repaired, redistributed, and reused under two batch policies: one for removing the failed items fr…
An Overview for Markov Decision Processes in Queues and Networks
Quan-Lin Li, Jing-Yu Ma, Rui-Na Fan +1
Markov decision processes (MDPs) in queues and networks have been an interesting topic in many practical areas since the 1960s. This paper provides a detailed overview on this topi…
A Complete Algebraic Solution to the Optimal Dynamic Rationing Policy in the Stock-Rationing Queue with Two Demand Classes
Quan-Lin Li, Yi-Meng Li, Jing-Yu Ma +1
In this paper, we study a stock-rationing queue with two demand classes by means of the sensitivity-based optimization, and develop a complete algebraic solution to the optimal dyn…
Markov Processes in Blockchain Systems
Quan-Lin Li, Jing-Yu Ma, Yan-Xia Chang +2
In this paper, we develop a more general framework of block-structured Markov processes in the queueing study of blockchain systems, which can provide analysis both for the station…
Optimal Asynchronous Dynamic Policies in Energy-Efficient Data Centers
Jing-Yu Ma, Quan-Lin Li, Li Xia
In this paper, we use a Markov decision process to find optimal asynchronous policy of an energy-efficient data center with two groups of heterogeneous servers, a finite buffer, an…
Blockchain Queueing Theory
Quan-Lin Li, Jing-Yu Ma, Yan-Xia Chang
Blockchain has many benefits including decentralization, availability, persistency, consistency, anonymity, auditability and accountability, and it also covers a wide spectrum of a…
Optimal Energy-Efficient Policies for Data Centers through Sensitivity-Based Optimization
Jing-Yu Ma, Li Xia, Quan-Lin Li
In this paper, we propose a novel dynamic decision method by applying the sensitivity-based optimization theory to find the optimal energy-efficient policy of a data center with tw…
A Stochastic Model for File Lifetime and Security in Data Center Networks
Quan-Lin Li, Fan-Qi Ma, Jing-Yu Ma
Data center networks are an important infrastructure in various applications of modern information technologies. Note that each data center always has a finite lifetime, thus once…
A -Rule for Service Resource Allocation in Group-Server Queues
Li Xia, Zhe George Zhang, Quan-Lin Li +1
In this paper, we study a dynamic on/off server scheduling problem in a queueing system with multi-class servers, where servers are heterogeneous and can be classified into gro…
A Nonlinear Solution to Closed Queueing Networks for Bike Sharing Systems with Markovian Arrival Processes and under an Irreducible Path Graph
Quan-Lin Li, Rui-Na Fan, Zhi-Yong Qian
As a favorite urban public transport mode, the bike sharing system is a large-scale and complicated system, and there exists a key requirement that a user and a bike should be matc…
Fluid and Diffusion Limits for Bike Sharing Systems
Quan-Lin Li, Zhi-Yong Qian, Rui-Na Fan
Bike sharing systems have rapidly developed around the world, and they are served as a promising strategy to improve urban traffic congestion and to decrease polluting gas emission…
Group-Server Queues
Quan-Lin Li, Jing-Yu Ma, Mingzhou Xie +1
By analyzing energy-efficient management of data centers, this paper proposes and develops a class of interesting {\it Group-Server Queues}, and establishes two representative grou…