Articles

Source camera identification: a distributed computing approach using Hadoop

The widespread use of digital images has led to a new challenge in digital image forensics. These images can be used in court as evidence of criminal cases. However, digital images are easily manipulated which...

Authors: Muhammad Faiz, Nor Badrul Anuar, Ainuddin Wahid Abdul Wahab, Shahaboddin Shamshirband and Anthony T. Chronopoulos

Multi-objective dynamic management of virtual machines in cloud environments

The management strategy of a data center needs access to sufficient resources in order to handle different requests of applications, while minimizing the consumed energy. With regard to high and varying resour...

Authors: Mahdi Mollamotalebi and Shahnaz Hajireza

Data security in decentralized cloud systems – system comparison, requirements analysis and organizational levels

Cloud computing has been established as a technology for providing needs-orientated and use-dependent IT resources, which now are being used more frequently for business information systems. Particularly in te...

Authors: André Müller, André Ludwig and Bogdan Franczyk

Towards energy aware cloud computing application construction

The energy consumption of cloud computing continues to be an area of significant concern as data center growth continues to increase. This paper reports on an energy efficient interoperable cloud architecture ...

Authors: Django Armstrong, Karim Djemame and Richard Kavanagh

Cloud resource management: towards efficient execution of large-scale scientific applications and workflows on complex infrastructures

Cloud computing evolved from the concept of utility computing, which is defined as the provision of computational and storage resources as a metered service. Another key characteristic of cloud computing is mu...

Authors: Nelson Mimura Gonzalez, Tereza Cristina Melo de Brito Carvalho and Charles Christian Miers

A novel hybrid of Shortest job first and round Robin with dynamic variable quantum time task scheduling technique

Cloud computing is a ubiquitous network access model to a shared pool of configurable computing resources where available resources must be checked and scheduled using an efficient task scheduler to be assigne...

Authors: Samir Elmougy, Shahenda Sarhan and Manar Joundy

Migration of a SCADA system to IaaS clouds – a case study

SCADA systems allow users to monitor and/or control physical devices, processes, and events remotely and in real-time. As these systems are critical to industrial processes, they are often run on highly reliab...

Authors: Philip Church, Harald Mueller, Caspar Ryan, Spyridon V. Gogouvitis, Andrzej Goscinski and Zahir Tari

Can functional characteristics usefully define the cloud computing landscape and is the current reference model correct?

The NIST definition of cloud computing has been accepted by the majority of the community as the best available description to fully capture the variety of factors which determine how different stakeholders cr...

Authors: Neil Caithness, Michel Drescher and David Wallom

Energy-efficient service-oriented architecture for mobile cloud handover

Mobile cloud computing uses features to deliver outsourcing data to remotely available mobile devices. However, the flexible nature of the mobile device is a critical challenge for the mobile cloud computing e...

Authors: Qassim Bani Hani and Julius P. Dichter

A novel coordinated resource provisioning approach for cooperative cloud market

Cloud computing has been the enabling technology for shifting mass scale computation and storage requirements from individually owned clients towards an on-demand and utility styled alternative that provides m...

Authors: K Hemant Kumar Reddy, Geetika Mudali and Diptendu Sinha Roy

Privacy preserving model: a new scheme for auditing cloud stakeholders

The Cloud computing paradigm provides numerous attractive services to customers such as the provision of the on-demand self-service, usage-based pricing, ubiquitous network access, transference of risk, and lo...

Authors: Abdul Razaque and Syed S. Rizvi

Optimal and suboptimal resource allocation techniques in cloud computing data centers

Cloud service providers are under constant pressure to improve performance, offer more diverse resource deployment options, and enhance application portability. To achieve these performance and cost objectives...

Authors: Mohamed Abu Sharkh, Abdallah Shami and Abdelkader Ouda

Dynamic spatial index for efficient query processing on the cloud

Data owners with large volumes of data can outsource spatial databases by taking advantage of the cost-effective cloud computing model with attractive on-demand features such as scalability and high computing ...

Authors: Ibrahim Kamel, Ayesha M. Talha and Zaher Al Aghbari

Tackling uncertainty in long-term predictions for host overload and underload detection in cloud computing

Dynamic workloads in cloud computing can be managed through live migration of virtual machines from overloaded or underloaded hosts to other hosts to save energy and/or mitigate performance-related Service Lev...

Authors: Dorian Minarolli, Artan Mazrekaj and Bernd Freisleben

An autonomic prediction suite for cloud resource provisioning

One of the challenges of cloud computing is effective resource management due to its auto-scaling feature. Prediction techniques have been proposed for cloud computing to improve cloud resource management. Thi...

Authors: Ali Yadavar Nikravesh, Samuel A. Ajila and Chung-Horng Lung

An exploration of the determinants for decision to migrate existing resources to cloud computing using an integrated TOE-DOI model

Migrating existing resources to cloud computing is a strategic organisational decision that can be difficult. It requires the consideration and evaluation of a wide range of technical and organisational aspect...

Authors: Adel Alkhalil, Reza Sahandi and David John

Framework for context-aware computation offloading in mobile cloud computing

Computation offloading is a promising way to improve the performance as well as reducing the battery power consumption of a mobile application by executing some parts of the application on a remote server. Rec...

Authors: Xing Chen, Shihong Chen, Xuee Zeng, Xianghan Zheng, Ying Zhang and Chunming Rong

DEF - a programming language agnostic framework and execution environment for the parallel execution of library routines

There is high demand for library routines that can be included into arbitrary programs and executed in parallel in the Cloud. So our approach is to provide a framework that supports the parallelized execution ...

Authors: Thomas Feilhauer and Martin Sobotka

Fine-grained multilayer virtualized systems analysis

With the consolidation of computer services in large cloud-based data centers, almost all applications and even application development execute in virtualized systems (VS’s), sometimes nested. Whether it is in...

Authors: Cédric Biancheri and Michel R. Dagenais

MDA: message digest-based authentication for mobile cloud computing

The emerging area of mobile cloud computing will influence the future of varied applications, such as electronic commerce and health informatics. It is expected to rise in popularity over other models in cloud...

Authors: Saurabh Dey, Srinivas Sampalli and Qiang Ye

Optimizing virtual machine placement for energy and SLA in clouds using utility functions

Cloud computing provides on-demand access to a shared pool of computing resources, which enables organizations to outsource their IT infrastructure. Cloud providers are building data centers to handle the cont...

Authors: Abdelkhalik Mosa and Norman W. Paton

High availability in clouds: systematic review and research challenges

Cloud Computing has been used by different types of clients because it has many advantages, including the minimization of infrastructure resources costs, and its elasticity property, which allows services to b...

Authors: Patricia T. Endo, Moisés Rodrigues, Glauco E. Gonçalves, Judith Kelner, Djamel H. Sadok and Calin Curescu

Prediction-based VM provisioning and admission control for multi-tier web applications

We present a prediction-based, cost-efficient Virtual Machine (VM) provisioning and admission control approach for multi-tier web applications. The proposed approach provides automatic deployment and scaling o...

Authors: Adnan Ashraf, Benjamin Byholm and Ivan Porres

A risk assessment model for selecting cloud service providers

The Cloud Adoption Risk Assessment Model is designed to help cloud customers in assessing the risks that they face by selecting a specific cloud service provider. It evaluates background information obtained f...

Authors: Erdal Cayirci, Alexandr Garaga, Anderson Santana de Oliveira and Yves Roudier

Erratum to: A novel revenue optimization model to address the operation and maintenance cost of a data center

Authors: Snehanshu Saha, Jyotirmoy Sarkar, Avantika Dwivedi, Nandita Dwivedi, Anand M. Narasimhamurthy, Ranjan Roy and Shrisha Rao

Nearby live virtual machine migration using cloudlets and multipath TCP

A nearby virtual machine (VM) based cloudlet is proposed for mobile cloud computing (MCC) to enhance the performance of real-time resource-intensive mobile applications. Generally, when a mobile device (MD) di...

Authors: Fikirte Teka, Chung-Horng Lung and Samuel A. Ajila

Research on dynamic time warping multivariate time series similarity matching based on shape feature and inclination angle

Different sets of research mainly focus on one variable time series now, while researches involving multivariate time series have been insufficient. In this paper, combined linear segments and fitting error fo...

Authors: Danyang Cao and Jie Liu

Dynamic multidimensional index for large-scale cloud data

Although several cloud storage systems have been proposed, most of them can provide highly efficient point queries only because of the key-value pairs storing mechanism. For these systems, satisfying complex m...

Authors: Jing He, Yue Wu, Yunyun Dong, Yunchun Zhang and Wei Zhou

Green spine switch management for datacenter networks

Energy consumption for datacenter has grown significantly and the trend is still growing due to the increasing popularity of cloud computing. Datacenter networks (DCNs), however, are starting to consume a grea...

Authors: Xiaolin Li, Chung-Horng Lung and Shikharesh Majumdar

VM consolidation approach based on heuristics, fuzzy logic, and migration control

To meet the increasing demand of computational power, at present IT service providers’ should choose cloud based services for its flexibility, reliability and scalability. More and more datacenters are being b...

Authors: Mohammad Alaul Haque Monil and Rashedur M. Rahman

Adaptation in cloud resource configuration: a survey

With increased demand for computing resources at a lower cost by end-users, cloud infrastructure providers need to find ways to protect their revenue. To achieve this, infrastructure providers aim to increase ...

Authors: Abdul R. Hummaida, Norman W. Paton and Rizos Sakellariou

Fast methods for designing circulant network topology with high connectivity and survivability

This paper proposes two fast methods to design network topologies with high connectivity and survivability based on circulant graph theory. The first method, namely, the Combination Method (CM), investigates t...

Authors: Rui Lu

Power management in virtualized data centers: state of the art

Cloud computing is an emerging technology in the field of computing that provides access to a wide range of shared resources. The rapid growth of cloud computing has led to establishing numerous data centers a...

Authors: Auday Al-Dulaimy, Wassim Itani, Ahmed Zekri and Rached Zantout

Critical analysis of vendor lock-in and its impact on cloud computing migration: a business perspective

Vendor lock-in is a major barrier to the adoption of cloud computing, due to the lack of standardization. Current solutions and efforts tackling the vendor lock-in problem are predominantly technology-oriented...

Authors: Justice Opara-Martins, Reza Sahandi and Feng Tian

Performance characterization and analysis for Hadoop K-means iteration

The rapid growth in the demand for cloud computing data presents a performance challenge for both software and hardware architects. It is important to analyze and characterize the data processing performance f...

Authors: Joseph Issa

An efficient and traceable KP-ABS scheme with untrusted attribute authority in cloud computing

ABE has been widely applied for secure data protection in cloud computing. In ABE, user’s private keys are generated by attribute authority, thus, attribute authority has the ultimate privileges in the system ...

Authors: Hanshu Hong and Zhixin Sun

A novel revenue optimization model to address the operation and maintenance cost of a data center

Enterprises are enhancing investments in cloud services setting up data centers to meet growing demand. A typical investment is of the order of millions of dollars, infrastructure and recurring cost included. ...

Authors: Snehanshu Saha, Jyotirmoy Sarkar, Avantika Dwivedi, Nandita Dwivedi, Anand M. Narasimhamurthy and Ranjan Roy

Towards a unified customer aware figure of merit for CSP selection

The current cloud computing market lacks of clear comparison between the Cloud service providers (CSPs) offerings. This is due to the heterogeneity in the virtual machines (VMs) configurations and their prices...

Authors: Bassem El Zant and Maurice Gagnaire

Service workload patterns for Qos-driven cloud resource management

Cloud service providers negotiate SLAs for customer services they offer based on the reliability of performance and availability of their lower-level platform infrastructure. While availability management is m...

Authors: Li Zhang, Yichuan Zhang, Pooyan Jamshidi, Lei Xu and Claus Pahl

Trusted framework for online banking in public cloud using multi-factor authentication and privacy protection gateway

Cloud computing is an emerging, revenue generating and internet based technology, where computing power, storage and other resources are provided to the stakeholders in a single package. The traditional online...

Authors: Sabout Nagaraju and Latha Parthiban

Scalable transactions in cloud data stores

Cloud Computing is a successful paradigm for deploying scalable and highly available web applications at low cost. In real life scenarios, the applications are expected to be scalable and consistent. Data part...

Authors: Swati Ahirrao and Rajesh Ingle

Implementation and performance analysis of various VM placement strategies in CloudSim

Infrastructure as a Service (IaaS) has become one of the most dominant features that cloud computing offers nowadays. IaaS enables datacenter’s hardware to get virtualized which allows Cloud providers to creat...

Authors: Mohammed Rashid Chowdhury, Mohammad Raihan Mahmud and Rashedur M. Rahman

Multi-dimensional key generation of ICMetrics for cloud computing

Despite the rapid expansion and uptake of cloud based services, lack of trust in the provenance of such services represents a significant inhibiting factor in the further expansion of such service. This paper ...

Authors: Bin Ye, Gareth Howells, Mustafa Haciosman and Frank Wang

Evaluating robustness of cloud-based systems

Various services are now available in the Cloud, ranging from turnkey databases and application servers to high-level services such as continuous integration or source version control. To stand out of this div...

Authors: Franck Chauvel, Hui Song, Nicolas Ferry and Franck Fleurey

Contextualization: dynamic configuration of virtual machines

New VM instances are created from static templates that contain the basic configuration of the VM to achieve elasticity with regards to capacity. Instance specific settings can be injected into the VM during t...

Authors: Django Armstrong, Daniel Espling, Johan Tordsson, Karim Djemame and Erik Elmroth

Cloud cover: monitoring large-scale clouds with Varanus

Cloud computing has quickly become the de facto means to deploy large scale systems in a robust and cost effective manner. Central to the maintenance of large scale systems is monitoring which allows for the d...

Authors: Jonathan Stuart Ward and Adam Barker

Components of service value in business-to-business Cloud Computing

Cloud computing services are used in many businesses. However, little is known about the components of service value in B2B cloud computing services from a customer perspective. In the B2C service literature, ...

Authors: Roland S. Padilla, Simon K. Milton and Lester W. Johnson

An approach to unified cloud service access, manipulation and dynamic orchestration via semantic cloud service operation specification framework

Cloud computing offers various computational resources via convenient on-demand service provision. Currently, heterogeneous services and cloud resources are usually utilized and managed through diverse service...

Authors: Daren Fang, Xiaodong Liu, Imed Romdhani and Claus Pahl

Tunable consistency guarantees of selective data consistency model

Tunable consistency guarantees in big data stores help in achieving optimized consistency guarantees with improved performance. Commercial data stores offer tunable consistency guarantees at transaction level ...

Authors: Shraddha P. Phansalkar and Ajay R. Dani

Security transparency: the next frontier for security research in the cloud

The recent advances in networking and the ubiquity of the Internet have enabled the emergence of cloud computing as a viable solution for a convenient, elastic and economical usage of services. In spite of the...

Authors: Moussa Ouedraogo, Severine Mignon, Herve Cholez, Steven Furnell and Eric Dubois