Results 21 to 30 of about 1,492 (104)

PRMS: Design and Development of Patients’ E-Healthcare Records Management System for Privacy Preservation in Third Party Cloud Platforms

open access: yesIEEE Access, 2022
In the current digital era, personal data storage on public platforms is a major cause of concern with severe security and privacy ramifications. This is true especially in e-health data management since patient’s health data must be managed ...
Kirtirajsinh Zala   +5 more
doaj   +1 more source

TLSM: Tiered Log-Structured Merge-Tree Utilizing Non-Volatile Memory

open access: yesIEEE Access, 2020
Log-Structured Merge-tree (LSM-tree) organizes write-friendly and hierarchical structure, which leads to inevitable disk I/O from data compaction occuring between layers.
Jihwan Lee   +4 more
doaj   +1 more source

Performance Analysis of Two Big Data Technologies on a Cloud Distributed Architecture. Results for Non-Aggregate Queries on Medium-Sized Data

open access: yesScientific Annals of Economics and Business, 2016
Big Data systems manage and process huge volumes of data constantly generated by various technologies in a myriad of formats. Big Data advocates (and preachers) have claimed that, relative to classical, relational/SQL Data Base Management Systems, Big ...
Fotache Marin, Hrubaru Ionuț
doaj   +1 more source

Cloud Services Brokerage: A Survey and Research Roadmap [PDF]

open access: yes, 2015
A Cloud Services Brokerage (CSB) acts as an intermediary between cloud service providers (e.g., Amazon and Google) and cloud service end users, providing a number of value adding services. CSBs as a research topic are in there infancy.
Barker, Adam   +2 more
core   +3 more sources

Vertical and horizontal elasticity for dynamic virtual machine reconfiguration [PDF]

open access: yes, 2016
Today, cloud computing applications are rapidly constructed by services belonging to different cloud providers and service owners. This work presents the inter-cloud elasticity framework, which focuses on cloud load balancing based on dynamic virtual ...
Amza, C.   +3 more
core   +2 more sources

EXPLORING TIMEOUT AS A PERFORMANCE AND AVAILABILITY FACTOR OF DISTRIBUTED REPLICATED DATABASE SYSTEMS

open access: yesРадіоелектронні і комп'ютерні системи, 2020
A concept of distributed replicated data storages like Cassandra, HBase, MongoDB has been proposed to effectively manage the Big Data sets whose volume, velocity, and variability are difficult to deal with by using the traditional Relational Database ...
Anatoliy Gorbenko, Olga Tarasyuk
doaj   +1 more source

PRESEnCE: Monitoring and Modelling the Performance Metrics of Mobile Cloud SaaS Web Services

open access: yesMobile Information Systems, Volume 2018, Issue 1, 2018., 2018
Service Level Agreements (SLAs) are defining the quality of the services delivered from the Cloud Services Providers (CSPs) to the cloud customers. The services are delivered on a pay‐per‐use model. The quality of the provided services is not guaranteed by the SLA because it is just a contract.
Abdallah A. Z. A. Ibrahim   +4 more
wiley   +1 more source

Harp: optimization algorithm for cross-domain distributed transactions

open access: yes大数据, 2023
The paradigm of near-data computing has driven banks and securities firms to build multiple data centers globally or nationally.In the traditional business model, transactions focused on accessing data within a single data center.With the changing ...
Qiyu ZHUANG   +3 more
doaj  

FMonE: A Flexible Monitoring Solution at the Edge

open access: yesWireless Communications and Mobile Computing, Volume 2018, Issue 1, 2018., 2018
Monitoring has always been a key element on ensuring the performance of complex distributed systems, being a first step to control quality of service, detect anomalies, or make decisions about resource allocation and job scheduling, to name a few. Edge computing is a new type of distributed computing, where data processing is performed by a large ...
Álvaro Brandón   +4 more
wiley   +1 more source

Characterizing and Adapting the Consistency-Latency Tradeoff in Distributed Key-value Stores

open access: yes, 2016
The CAP theorem is a fundamental result that applies to distributed storage systems. In this paper, we first present and prove two CAP-like impossibility theorems.
Gupta, Indranil   +4 more
core   +1 more source

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