virtual desktop
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Rupesh Kumar ◽  
Arun Kumar Yadav ◽  
H N Verma

In the Information Technology world, cloud computing technology offering unlimited amount of IT resources and services to end users over the internet on pay-per-use basis. End users are accessing the cloud services on their mobile or personal computers. Service providers are upgrading their services very frequently to enhance the services, and to use their upgraded services, end users are also required to update the specification of their devices. But it will be very costly for the end users to upgrade their devices for high specification to use the enhanced services. Desktop Virtualization is an extensive technology of cloud services. It is the new concept, in which users can access the virtual desktop of required specifications, software and operating system on their old devices anytime and anywhere. With the help of desktop virtualization, users will be benefited by avoiding the cost of frequent upgradation of mobile or personal computer system. Desktop virtualization technology is proving to be a boon for large and small organizations who have to upgrade their computer system with new technology, which is a very costly and challenging process. Desktop virtualization avoids upgrading the hardware of the client machine repeatedly. It allows us to access all applications and data at a low cost on our old machine. This paper presents the comparative analysis of various approaches for desktop virtualization and various challenges which required the solution. Analysis presented in paper has been done based on various performance parameters which will provide the end users low-cost cloud services and best performance on their mobile or personal computers.

2021 ◽  
Vol 11 (15) ◽  
pp. 7157
Francisco J. Rodríguez Lera ◽  
David Fernández González ◽  
Francisco Martín Rico ◽  
Ángel Manuel Guerrero-Higueras ◽  
Miguel Ángel Conde

Virtual desktops in cloud scenarios play a significant role in higher education. Nowadays, the idea of moving laboratories to the cloud seems mandatory and it is necessary to maintain students’ commitment in this new scenario. This paper aims at two targets, customizing a Virtual Desktop platform for delivering the laboratories of a programming course in a Computer Science Bachelor Degree and empirically apply the technology acceptance model and the system usability scale to a set of students that use it. Results obtained in this paper provide insights about the direct effect between the perceived ease of use, perceived usefulness, and attitude to technology following the technology acceptance model (TAM) as well as a comprehensive analysis of the system usability scale (SUS) of our platform.

Kai Zhang

With the development of internet technology and computer technology, in order to solve the big data problem in the new era, cloud computing has emerged at the historic moment. Desktop virtualization, as an important application of cloud computing, has experienced unprecedented development. Although traditional virtual desktop solutions can solve the problem of PCs, they cannot be used for centralized distributed cluster deployment, and they mostly rely on the underlying virtualization technology. The dynamic management of virtual machines is mainly to take into account the goals of QoS, resource utilization balance, and power under the premise of ensuring the user experience, the maximum guarantee of the balance of host resource utilization, and the reduction of power consumption of the entire system. The results show that by deploying a test desktop virtualization system, this article reduces the power consumption of host resources, reduces the SLA violation rate (improves the user experience), and improves the balance of host resource utilization.

2021 ◽  
Vol 4 (1) ◽  
pp. 29-38
Abdel Rahman Alzoubaidi ◽  
Mutasem Alzoubaidi ◽  
Ismaiel Abu Mahfouz ◽  
Taha Alkhamis ◽  

Currently, universities have rising demands to apply the incredible recent developments in computer technology that support students to achieve skills necessary for developing applied critical thinking in the contexts of online society. Medical and engineering subjects’ practical learning and education scenarios are crucial to attain a set of competencies and applied skills. These recent developments allow sharing and resource allocation, which brings savings and maximize use, and therefore offer centralized management, increased security, and scalability. This paper describes the implantation of Virtual Desktop Infrastructure (VDI) to access the virtual laboratories that bring efficient use of resources as one of Al Balqa Applied University’s (BAU) Private Cloud services. The concept of desktop virtualization implements the sharing of capabilities utilizing legacy machines, which reduces the cost of infrastructure and introduces increased security, mobility, scalability, agility, and high availability. Al Balqa Applied University uses the service extensively to facilitate in/off-campus learning, teaching, and administrative activities and continue performing their work and education functions remotely to cope with the COVID-19 pandemic.

Jesus Arellano-Uson ◽  
Eduardo Magaña ◽  
Daniel Morató ◽  
Mikel Izal

AbstractThe growing trend of desktop virtualisation has facilitated the reduction of management costs associated with traditional systems and access to services from devices with different capabilities. However, desktop virtualisation requires controlling the interactivity provided by an infrastructure and the quality of experience perceived by users. This paper proposes a methodology for the quantification of interactivity based on the measurement of the time elapsed between user interactions and the associated responses. Measurement error is controlled using a novel mechanism for the detection of screen changes, which can lead to erroneous measurements. Finally, a campus virtual desktop infrastructure and the Amazon WorkSpaces solution are analysed using this proposed methodology. The results demonstrate the importance of the location of virtualisation infrastructure and the types of protocols used by remote desktop services.

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