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- research-articleNovember 2024
Optimized Data Replication in Cloud Using Hybrid Optimization Approach
Transactions on Emerging Telecommunications Technologies (TETT), Volume 35, Issue 11https://doi.org/10.1002/ett.70022ABSTRACTCloud computing (CC), in contrast to traditional high‐performance computing environments, is a group of imaginary and networked resources of computing that are controlled by one unified maximum‐performance computing power. Here, this work aims ...
In reality, there are two scenarios for prioritization: queuing both high‐priority and low‐priority data, and basing costs on an analysis of storage demand. The job may be finished more rapidly because the maximum priority queue comprises demands with a ...
- ArticleNovember 2024
ProCreate, Don’t Reproduce! Propulsive Energy Diffusion for Creative Generation
AbstractIn this paper, we propose ProCreate, a simple and easy-to-implement method to improve sample diversity and creativity of diffusion-based image generative models and to prevent training data reproduction. ProCreate operates on a set of reference ...
- research-articleJune 2024
Cost-Driven Data Replication with Predictions
SPAA '24: Proceedings of the 36th ACM Symposium on Parallelism in Algorithms and ArchitecturesPages 309–320https://doi.org/10.1145/3626183.3659964This paper studies an online replication problem for distributed data access. The goal is to dynamically create and delete data copies in a multi-server system as time passes to minimize the total storage and network cost of serving access requests. We ...
- research-articleNovember 2023
Report on Adaptable Open-Source Disaster Recovery Solution for Multi-Petabyte Storage Systems
SC-W '23: Proceedings of the SC '23 Workshops of The International Conference on High Performance Computing, Network, Storage, and AnalysisPages 567–572https://doi.org/10.1145/3624062.3624122The current generation of Research Data Store (RDS) at The University of Sydney comprises a pair of peta-scale data storage systems. We implemented a disaster recovery (DR) solution on both systems for data protection against catastrophic failure. To ...
- ArticleJuly 2023
Dynamic Data Replication for Short Time-to-Completion in a Data Grid
AbstractScience collaborations use computer grids to run expensive computational tasks on large data sets. Tasks as jobs across the network demand data and thereby workload management and data allocation to maintain the computational workflow. Data ...
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- short-paperJune 2023
DrPIM: An Adaptive and Less-blocking Data Replication Framework for Processing-in-Memory Architecture
GLSVLSI '23: Proceedings of the Great Lakes Symposium on VLSI 2023Pages 385–389https://doi.org/10.1145/3583781.3590294Processing-in-Memory (PIM) architecture suffers from frequent data synchronization, which raises inevitable coherent stalls and consumes more energy. This paper presents DrPIM, an adaptive and less-blocking data replication framework for Processing-in-...
- research-articleMay 2023
Data Management for mobile applications dependent on geo-located data
PaPoC '23: Proceedings of the 10th Workshop on Principles and Practice of Consistency for Distributed DataPages 70–76https://doi.org/10.1145/3578358.3591334An increasing number of mobile applications share location-dependent information, from collaborative applications and social networks to location-based games. In such applications, users are interested in information related to their immediate ...
- research-articleOctober 2022
Display of 3D Illuminations using Flying Light Specks
MM '22: Proceedings of the 30th ACM International Conference on MultimediaPages 2996–3005https://doi.org/10.1145/3503161.3548250This paper presents techniques to display 3D illuminations using Flying Light Specks, FLSs. Each FLS is a miniature (hundreds of micrometers) sized drone with one or more light sources to generate different colors and textures with adjustable ...
- research-articleMay 2022
An event-driven strategy for reactive replica balancing on apache hadoop distributed file system
SAC '22: Proceedings of the 37th ACM/SIGAPP Symposium on Applied ComputingPages 255–263https://doi.org/10.1145/3477314.3507311Distributed file systems are essential to support applications that handle large volumes of data. One of the most widely used distributed file systems is the HDFS, the Apache Hadoop's Distributed File System. Data replication, which is at the heart of ...
- research-articleJanuary 2022
A review on data replication strategies in cloud systems
International Journal of Grid and Utility Computing (IJGUC), Volume 13, Issue 4Pages 347–362https://doi.org/10.1504/ijguc.2022.125135Data replication constitutes an important issue in Cloud data management. In this context, a significant number of replication strategies have been proposed for Cloud systems. Most of the studies in the literature have classified these strategies into ...
- research-articleJanuary 2022
Efficiency of Virtual Machine Replication in the Data Center
Procedia Computer Science (PROCS), Volume 205, Issue CPages 208–217https://doi.org/10.1016/j.procs.2022.09.022AbstractData centers store the necessary data for the operation of services and applications used by users. They usually consist of many physical servers connected to each other, with virtual machines and other systems, applications, databases installed. ...
- research-articleJune 2021
An IoT-oriented Multiple Data Replicas Placement Strategy in Hybrid Fog-Cloud Environment
SIGSIM-PADS '21: Proceedings of the 2021 ACM SIGSIM Conference on Principles of Advanced Discrete SimulationPages 119–128https://doi.org/10.1145/3437959.3459251The growing adoption of Fog computing for the sensitive-time IoT applications allows to facilitate the real-time actions and to enhance their efficiency and performance. In fact, keeping the data in the distributed Fog network brings the advantages and ...
- research-articleApril 2021
Hierarchical data replication strategy to improve performance in cloud computing
Frontiers of Computer Science: Selected Publications from Chinese Universities (FCS), Volume 15, Issue 2https://doi.org/10.1007/s11704-019-9099-8AbstractCloud computing environment is getting more interesting as a new trend of data management. Data replication has been widely applied to improve data access in distributed systems such as Grid and Cloud. However, due to the finite storage capacity ...
Cost-Effective Data Feeds to Blockchains via Workload-Adaptive Data Replication
Middleware '20: Proceedings of the 21st International Middleware ConferencePages 371–385https://doi.org/10.1145/3423211.3425696Feeding external data to a blockchain, a.k.a. data feed, is an essential task to enable blockchain interoperability and support emerging cross-domain applications. Given the data-intensive nature of real-life feeds (e.g., high-frequency price updates) ...
- research-articleMay 2020
Edge replication strategies for wide-area distributed processing
EdgeSys '20: Proceedings of the Third ACM International Workshop on Edge Systems, Analytics and NetworkingPages 1–6https://doi.org/10.1145/3378679.3394532The rapid digitalization across industries comes with many challenges. One key problem is how the ever-growing and volatile data generated at distributed locations can be efficiently processed to inform decision making and improve products. ...
- research-articleJanuary 2020
A novel replica placement algorithm for minimising communication cost in distributed storage platform
International Journal of Networking and Virtual Organisations (IJNVO), Volume 22, Issue 2Pages 147–161https://doi.org/10.1504/ijnvo.2020.105514In large-scale distributed systems, replication service has been playing a critical role to improve the availability and reliability of user data. Conventionally, the existing replication services mainly concentrate on how many replicas are needed to ...
- research-articleJanuary 2020
A QoS-enhanced data replication service in virtualised cloud environments
International Journal of Networking and Virtual Organisations (IJNVO), Volume 22, Issue 1Pages 1–16https://doi.org/10.1504/ijnvo.2020.104967In recent cloud systems, data-intensive applications have been widely deployed for solving non-trivial problems, which often involve large amount of dataset. As a standard service for offering data availability and reliability, data replication service ...
- research-articleDecember 2019
A Proactive, Cost-aware, Optimized Data Replication Strategy in Geo-distributed Cloud Datastores
UCC'19: Proceedings of the 12th IEEE/ACM International Conference on Utility and Cloud ComputingPages 143–153https://doi.org/10.1145/3344341.3368799Geo-replicated cloud datastores adopt the replication methodology by placing multiple data replicas at suitable storage zones. This can provide reliable services to customers with high availability, low access latency, low system cost, and decreased ...
- research-articleOctober 2019
Method for replica selection in the Internet of Things using a hybrid optimisation algorithm
IET Communications (CMU2), Volume 13, Issue 17Pages 2820–2826https://doi.org/10.1049/iet-com.2019.0345Internet of Things (IoT) as a new technological revolution has been proposed recently wherein the things are connected over the Internet. Because of the inherent characteristics of IoT for storage of data at untrusted and heterogeneous hosts, data ...
- research-articleJanuary 2019
A novel routing protocol for relay node-based energy consumption in MANET
International Journal of Networking and Virtual Organisations (IJNVO), Volume 21, Issue 1Pages 19–29https://doi.org/10.1504/ijnvo.2019.101145In MANET data replication play a major role for energy conservation. Redundant data transmission makes network traffic heavier and causes unnecessary energy utilisation. This paper addresses the problems due to the network traffic and unnecessary energy ...