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- research-articleSeptember 2024
Assessing the Complexity of Cloud Pricing Policies: A Comparative Market Analysis
- Vasiliki Liagkou,
- George Fragiadakis,
- Evangelia Filiopoulou,
- Christos Michalakelis,
- Anargyros Tsadimas,
- Mara Nikolaidou
AbstractCloud computing has gained popularity at a breakneck pace over the last few years. It has revolutionized the way businesses operate by providing a flexible and scalable infrastructure for their computing needs. Cloud providers offer a range of ...
- research-articleMay 2024
Improvement in task allocation for VM and reduction of Makespan in IaaS model for cloud computing
Cluster Computing (KLU-CLUS), Volume 27, Issue 8Pages 11407–11426https://doi.org/10.1007/s10586-024-04539-8AbstractProblems with task distribution in cloud data centers persist despite earlier research in cloud computing (CC). Particularly in the infrastructure-as-a-service (IaaS) cloud paradigm. In cloud data centers, effective task allocation is essential ...
- research-articleJanuary 2024
OpenStack: a virtualisation overview
International Journal of Information Technology and Management (IJITM), Volume 23, Issue 1Pages 1–12https://doi.org/10.1504/ijitm.2024.136181The major cloud computing software companies offer a new concept, on which resources are virtualised to provide these as a service on the internet. Currently, there are multiple service providers, and additional options to virtualise services on-...
- research-articleAugust 2023
A two-phase heuristic algorithm for power-aware offline scheduling in IaaS clouds
Journal of Parallel and Distributed Computing (JPDC), Volume 178, Issue CPages 1–10https://doi.org/10.1016/j.jpdc.2023.03.006AbstractThe paper aims at mitigating hot-spots during Offline Scheduling in IaaS (Infrastructure-as-a-Service) cloud systems. Unlike previous studies, the research focuses on identifying and resolving hot-spots not at servers, but at server ...
Highlights- A server rack is a hot-spot if it exceeds the upper bound of power consumption.
- research-articleFebruary 2023
Model-based cloud service deployment optimisation method for minimisation of application service operational cost
Journal of Cloud Computing: Advances, Systems and Applications (JOCCASA), Volume 12, Issue 1https://doi.org/10.1186/s13677-023-00389-8AbstractMany currently existing cloud cost optimisation solutions are aimed at cloud infrastructure providers, and they often deal only with specific types of application services. Unlike infrastructure providers, the providers of cloud applications are ...
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- research-articleJanuary 2023
Layer-based cooperation for intrusion detection in mobile cloud environment
International Journal of Mobile Communications (IJMC), Volume 21, Issue 3Pages 365–384https://doi.org/10.1504/ijmc.2023.129966Today, mobile cloud computing is very popular, because of its characteristics, where the cloud computing offers services via the mobile networks. This makes it more attractive to attackers. Many complex attack targets cloud networks are used, such as ...
- research-articleJanuary 2023
Mathematical modelling pricing of instances the providers of the infrastructure as a service: an adapted hedonic approach
International Journal of Computer Applications in Technology (IJCAT), Volume 71, Issue 2Pages 110–129https://doi.org/10.1504/ijcat.2023.131591In Infrastructure-as-a-Service (IaaS), the large number of providers and instances combined with the lack of transparency in understanding pricing policies hampers the choice for the best provider-plan-instance combination. An issue less explored by the ...
- articleDecember 2022
Comparing the Cost of IaaS and CaaS Services
- Mara Nikolaidou,
- Christos Michalakelis,
- Vasiliki Liagkou,
- George Fragiadakis,
- Evangelia Filiopoulou,
- Vagia Kyriakidou
International Journal of Technology Diffusion (IJTD-IGI), Volume 13, Issue 1Pages 1–11https://doi.org/10.4018/IJTD.315632Cloud computing environments allow businesses to deploy applications in a fast and scalable way. Infrastructure-as-a-service (IaaS) and container-as-a-service (CaaS) models can be adopted for the deployment of cloud-based applications. The current ...
- ArticleJuly 2022
Smart Contracts for the CloudAnchor Platform
Advances in Practical Applications of Agents, Multi-Agent Systems, and Complex Systems Simulation. The PAAMS CollectionPages 423–434https://doi.org/10.1007/978-3-031-18192-4_34AbstractCloudAnchor is a multi-agent brokerage platform for the negotiation of Infrastructure as a Service cloud resources between Small and Medium Sized Enterprises, acting either as providers or consumers. This project entails the research, design, and ...
- research-articleMarch 2022
Cloud computing security: A survey of service-based models
AbstractCloud computing has recently attracted significant attention due to its economical and high-quality services. In the last decade, cloud services have inevitably entangled with businesses’ and individuals’ daily lives through products ...
- research-articleJanuary 2022
Performance evaluation of IaaS cloud using Stochastic Neural Network
Journal of Intelligent & Fuzzy Systems: Applications in Engineering and Technology (JIFS), Volume 43, Issue 4Pages 4613–4628https://doi.org/10.3233/JIFS-220501Cloud computing is an on-demand model that computes shared and dynamic resource availability in a remote or independent location. Cloud computing provides many services online to clients in a pay-as-you-go manner. Nowadays, many organizations use cloud ...
- research-articleJanuary 2022
Cost-effective data replication mechanism modelling for cloud storage
International Journal of Grid and Utility Computing (IJGUC), Volume 13, Issue 6Pages 652–669https://doi.org/10.1504/ijguc.2022.128319Replication increases data availability and reduces access latency in cloud storage. Solutions prioritise system performance over replica production and storage costs. Under a pay-as-you-go model, cloud users incur rising fees for replica storage and ...
- research-articleJanuary 2022
Factors to measure the cloud service quality – a review
International Journal of Business Information Systems (IJBIS), Volume 41, Issue 3Pages 289–321https://doi.org/10.1504/ijbis.2022.126995The world is changing at a very rapid pace and drastic scale. In today's digital world, businesses are adopting new technologies and going digital in order to survive, keep the business relevant, compete with the world and shape the future. Organisations ...
- research-articleSeptember 2021
Cloud-based Network Virtualization in IoT with OpenStack
ACM Transactions on Internet Technology (TOIT), Volume 22, Issue 1Article No.: 19, Pages 1–26https://doi.org/10.1145/3460818In Cloud computing deployments, specifically in the Infrastructure-as-a-Service (IaaS) model, networking is one of the core enabling facilities provided for the users. The IaaS approach ensures significant flexibility and manageability, since the ...
- ArticleAugust 2021
SPIRIT: A Microservice-Based Framework for Interactive Cloud Infrastructure Planning
Euro-Par 2021: Parallel Processing WorkshopsPages 405–416https://doi.org/10.1007/978-3-031-06156-1_32AbstractThe IaaS model provides elastic infrastructure that enables the migration of legacy applications to cloud environments. Many cloud computing vendors such as Amazon Web Services, Microsoft Azure, and Google Cloud Platform offer a pay-per-use policy ...
- research-articleJuly 2021
Remote attestation and integrity measurements with Intel SGX for virtual machines
AbstractWith response to the emerging virtualization trend, we focus on a Virtual Machine (VM) remote attestation process assuming that it is running in an uncontrolled and untrusted cloud infrastructure.
We present a solution that ...
- research-articleDecember 2020
- research-articleNovember 2020
A Cost Efficient Service Broker Policy for Data Center Allocation in IaaS Cloud Model
Wireless Personal Communications: An International Journal (WPCO), Volume 115, Issue 1Pages 267–289https://doi.org/10.1007/s11277-020-07570-1AbstractCloud computing provides distributed computing resources such as servers, storage and applications to the end users through data centers. The data centers are geographically located at different locations. The client applications or requests being ...
- research-articleSeptember 2020
CloudBench: an integrated evaluation of VM placement algorithms in clouds
The Journal of Supercomputing (JSCO), Volume 76, Issue 9Pages 7047–7080https://doi.org/10.1007/s11227-019-03141-9AbstractA complex and important task in the cloud resource management is the efficient allocation of virtual machines (VMs), or containers, in physical machines (PMs). The evaluation of VM placement techniques in real-world clouds can be tedious, complex ...