BlockChain

[논문 세미나] One-Copy Serializability with Snapshot Isolation ​under the Hood​

Title: One-Copy Serializability with Snapshot Isolation ​ under the Hood​ Authors: Mihaela A. Bornea; Orion Hodson; Sameh Elnikety; Alan Fekete Journal/Conference: ICDE '11 Source: https://ieeexplore.ieee.org/document/5767897 Abstract: This paper presents a method that allows a replicated database system to provide a global isolation level stronger than the isolation level provided on each indiv..

[논문 세미나] Blockchains vs. Distributed Databases: Dichotomy and Fusion

Title: Blockchains vs. Distributed Databases: Dichotomy and Fusion Authors: Pingcheng Ruan, Tien Tuan Anh Dinh, Dumitrel Loghin, Meihui Zhang, Gang Chen, Qian Lin, Beng Chin Ooi Journal/Conference: SIGMOD '21 Source: https://dl.acm.org/doi/10.1145/3448016.3452789 Abstract: Blockchain has come a long way: a system that was initially proposed specifically for cryptocurrencies is now being adapted ..

[논문 세미나] Smart Contract Parallel Execution with Fine-Grained State Accesses

Title: Smart Contract Parallel Execution with Fine-Grained State Accesses Authors: Xiaodong Qi, Jiao Jiao, Yi Li Source: https://www.computer.org/csdl/proceedings-article/icdcs/2023/398600a841/1R9N1X50DYI Journal/Conference: ICDCS ‘23 Abstract: As various optimizations being proposed recently, the performance of blockchains is no longer limited by the consensus protocols, successfully scaling to..

[논문 세미나] QueCC: A Queue-oriented, Control-free Concurrency

Title: QueCC: A Queue-oriented, Control-free Concurrency Authors: Thamir M. Qadah, Mohammad Sadoghi Journal/Conference: Middleware ‘18 Sources: https://dl.acm.org/doi/10.1145/3274808.3274810 Abstract: We investigate a coordination-free approach to transaction processing on emerging multi-sockets, many-core, shared-memory architecture to harness its unprecedented available parallelism. We propose..

[논문 세미나] Caracal: Contention management with Deterministic Concurrency Control

Title: Caracal: Contention management with Deterministic Concurrency Control Authors: Dai Qin, Angela Demke Brown, and Ashvin Goel Journal/Conference: SIGOPS '21 Sources: https://dl.acm.org/doi/abs/10.1145/3477132.3483591 Abstract: Deterministic databases offer several benefits: they ensure serializable execution while avoiding concurrency-control related aborts, and they scale well in distribut..

[논문 세미나] NEZHA: Exploiting Concurrency for TransactionProcessing in DAG-based Blockchains

Title: NEZHA: Exploiting Concurrency for Transaction Processing in DAG-based Blockchains Authors: J. Xiao, S. Zhang, Z. Zhang, B. Li, X. Dai and H. Jin Journal/Conference: ICDCS '22 Sources: https://ieeexplore.ieee.org/document/9912285 Abstract: A Directed Acyclic Graph (DAG)-based blockchain with its inherent parallel structure can potentially significantly improve the throughput performance ov..

[논문 세미나] SChain: Scalable Concurrency over Flexible Permissioned Blockchain

Authors: Xiaodong Qi; Zhihao Chen; Haizhen Zhuo; Quanqing Xu; Chengyu Zhu; Zhao Zhang; Cheqing Jin; Aoying Zhou; Ying Yan; Hui Zhang Journal/Conference: ICDE '23 Source: https://arxiv.org/abs/2306.03058 Presentation material: Abstract Permissioned blockchains are being widely applied to solve the trust problem in enterprise collaboration. However, most of these systems suffer from low throughput..

[논문 세미나] Shoal: Improving DAG-BFT Latency And Robustness

Authors: Alexander Spiegelman, Balaji Arun, Rati Gelashvili, Zekun Li Journal/Conference: arXiv '23 Source: https://arxiv.org/abs/2306.03058 Presentation material: Abstract The Narwhal system is a state-of-the-art Byzantine fault-tolerant scalable architecture that involves constructing a directed acyclic graph (DAG) of messages among a set of validators in a Blockchain network. Bullshark is a z..