Remote access protocols for Desktop-as-a-Service solutions

The use of remote desktop services on virtualized machines is a general trend to reduce the cost of desktop seats. Instead of assigning a physical machine with its operating system and software to each user, it is considerably easier to manage a light client machine that connects to a server where t...

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Bibliographic Details
Published in:PloS one 2019-01, Vol.14 (1), p.e0207512-e0207512
Main Authors: Magaña, Eduardo, Sesma, Iris, Morató, Daniel, Izal, Mikel
Format: Article
Language:English
Subjects:
Analysis
Browsing
Capital expenditures
Computer and Information Sciences
Computers
Engineering
Image quality
Infrastructure
International conferences
Internet
Internet access
Market shares
Mathematical physics
Mathematical problems
Medical protocols
Multimedia
Operating systems
Protocol
Protocol (computers)
Remote access (Computers)
Seats
Self-similarity
Signal-To-Noise Ratio
Software
Time Factors
Traffic models
Trouble shooting
User profiles
User satisfaction
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Summary:The use of remote desktop services on virtualized machines is a general trend to reduce the cost of desktop seats. Instead of assigning a physical machine with its operating system and software to each user, it is considerably easier to manage a light client machine that connects to a server where the instance of the user's desktop machine actually executes. Citrix and VMware have been major suppliers of these systems in private clouds. Desktop-as-a-Service solutions such as Amazon WorkSpaces offer a similar functionality, yet in a public cloud environment. In this paper, we review the main offerings of remote desktop protocols for a cloud deployment. We evaluate the necessary network resources using a traffic model based on self-similar processes. We also evaluate the quality of experience perceived by the user, in terms of image quality and interactivity, providing values of Mean Opinion Score (MOS). The results confirm that the type of application running on the remote servers and the mix of users must be considered to determine the bandwidth requirements. Applications such as web browsing result in unexpectedly high traffic rates and long bursts, more than the case of desktop video playing, because the on-page animations are rendered on the server.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0207512