Articles

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

Evaluation and design of highly reliable and highly utilized cloud computing systems

Cloud computing paradigm has ushered in the need to provide resources to users in a scalable, flexible, and transparent fashion much like any other utility. This has led to a need for developing evaluation tec...

Authors: Brett Snyder, Jordan Ringenberg, Robert Green, Vijay Devabhaktuni and Mansoor Alam

Attribute-based data retrieval with semantic keyword search for e-health cloud

Data retrieval on encrypted documents is a very important technology in cloud storage, where encryption on sensitive data is a necessary operation to protect documents privacy before they are outsourced to clo...

Authors: Yang Yang

Towards bandwidth guaranteed energy efficient data center networking

The data center network connecting the servers in a data center plays a crucial role in orchestrating the infrastructure to deliver peak performance to users. In order to meet high performance and reliability ...

Authors: Ting Wang, Bo Qin, Zhiyang Su, Yu Xia, Mounir Hamdi, Sebti Foufou and Ridha Hamila

MapReduce for parallel trace validation of LTL properties

We present an algorithm for the automated verification of Linear Temporal Logic formulæ on event traces using an increasingly popular cloud computing framework called MapReduce. The algorithm can process multi...

Authors: Sylvain Hallé and Maxime Soucy-Boivin

Secure outsourced computation of the characteristic polynomial and eigenvalues of matrix

Linear algebra plays an important role in computer science, especially in cryptography. Numerous cryptographic protocols and scientific computations are based on linear algebra, which can be reduced to some co...

Authors: Xing Hu and Chunming Tang

A secure user authentication protocol for sensor network in data capturing

Sensor network is an important approach of data capturing. User authentication is a critical security issue for sensor networks because sensor nodes are deployed in an open and unattended environment, leaving ...

Authors: Zhou Quan, Tang Chunming, Zhen Xianghan and Rong Chunming

Greedy scheduling of tasks with time constraints for energy-efficient cloud-computing data centers

In this paper, we introduce a model of task scheduling for a cloud-computing data center to analyze energy-efficient task scheduling. We formulate the assignments of tasks to servers as an integer-programming ...

Authors: Ziqian Dong, Ning Liu and Roberto Rojas-Cessa

Automatic verification technology of software patches for user virtual environments on IaaS cloud

We propose here a technique for automatic verification of software patches for user virtual environments on Infrastructure as a Service (IaaS) Cloud to reduce the cost of verifying patches. IaaS services have ...

Authors: Yoji Yamato

A service oriented broker-based approach for dynamic resource discovery in virtual networks

In the past few years, the concept of network virtualization has received significant attention from industry and research fora. This concept applies virtualization to networking infrastructures by enabling th...

Authors: Sleiman Rabah, May El Barachi, Nadjia Kara, Rachida Dssouli and Joey Paquet

Towards cloud based big data analytics for smart future cities

A large amount of land-use, environment, socio-economic, energy and transport data is generated in cities. An integrated perspective of managing and analysing such big data can answer a number of science, poli...

Authors: Zaheer Khan, Ashiq Anjum, Kamran Soomro and Muhammad Atif Tahir

Confidential database-as-a-service approaches: taxonomy and survey

Outsourcing data to external providers has gained momentum with the advent of cloud computing. Encryption allows data confidentiality to be preserved when outsourcing data to untrusted external providers that ...

Authors: Jens Köhler, Konrad Jünemann and Hannes Hartenstein

Fine-grained preemption analysis for latency investigation across virtual machines

This paper studies the preemption between programs running in different virtual machines on the same computer. One of the current monitoring methods consist of updating the average steal time through collabora...

Authors: Mohamad Gebai, Francis Giraldeau and Michel R Dagenais

Observing the clouds: a survey and taxonomy of cloud monitoring

Monitoring is an important aspect of designing and maintaining large-scale systems. Cloud computing presents a unique set of challenges to monitoring including: on-demand infrastructure, unprecedented scalabil...

Authors: Jonathan Stuart Ward and Adam Barker

Performance analysis model for big data applications in cloud computing

The foundation of Cloud Computing is sharing computing resources dynamically allocated and released per demand with minimal management effort. Most of the time, computing resources such as processors, memory a...

Authors: Luis Eduardo Bautista Villalpando, Alain April and Alain Abran

If you want to know about a hunter, study his prey: detection of network based attacks on KVM based cloud environments

Computational systems are gradually moving towards Cloud Computing Infrastructures, using the several advantages they have to offer and especially the economic advantages in the era of an economic crisis. In a...

Authors: Nikolaos Pitropakis, Dimitra Anastasopoulou, Aggelos Pikrakis and Costas Lambrinoudakis

Notes on Cloud computing principles

This letter provides a review of fundamental distributed systems and economic Cloud computing principles. These principles are frequently deployed in their respective fields, but their interdependencies are of...

Authors: Thomas Sandholm and Dongman Lee

A design space for dynamic service level agreements in OpenStack

This paper does a systematic review of the possible design space for cloud-hosted applications that may have changing resource requirements that need to be supported through dynamic service level agreements (S...

Authors: Craig A Lee and Alan F Sill

Clustering-based fragmentation and data replication for flexible query answering in distributed databases

One feature of cloud storage systems is data fragmentation (or sharding) so that data can be distributed over multiple servers and subqueries can be run in parallel on the fragments. On the other hand, flexibl...

Authors: Lena Wiese

Virtual machine introspection: towards bridging the semantic gap

Virtual machine introspection is a technique used to inspect and analyse the code running on a given virtual machine. Virtual machine introspection has gained considerable attention in the field of computer se...

Authors: Asit More and Shashikala Tapaswi