PUMA
Istituto di Scienza e Tecnologie dell'Informazione     
Caviglione L., Gotta A. Characterizing SPDY over high latency satellite channels. In: EAI Endorsed Transactions on Mobile Communications and Applications, vol. 14 (5) article n. e3. ICST, 2014. [Online First 20 July 2014]
 
 
Abstract
(English)
The increasing complexity of Web contents and the growing diffusion of mobile terminals, which use wireless and satellite links to get access to the Internet, impose the adoption of more specialized protocols. In particular, we focus on SPDY, a novel protocol introduced by Google to optimize the retrieval of complex webpages, to manage large Round Trip Times and high packet losses channels. In this perspective, the paper characterizes SPDY over high latency satellite links, especially with the goal of understanding whether it could be an efficient solution to cope with performance degradations typically affecting Web 2.0 services. To this aim, we implemented an experimental set-up, composed of an ad-hoc proxy, a wireless link emulator, and an instrumented Web browser. The results clearly indicate that SPDY can enhance the performances in terms of loading times, and reduce the traffic fragmentation. Moreover, owing to its connection multiplexing architecture, SPDY can also mitigate the transport layer complexity, which is critical when in presence of Performance Enhancing Proxies usually deployed to isolate satellite trunks.
URL: http://eudl.eu/doi/10.4108/mca.2.5.e3
DOI: 10.4108/mca.2.5.e3
Subject Networking Protocol
Satellite Network
Lossy Channels
SPDY
HTTP
Performance Evaluation
C.2 COMPUTER-COMMUNICATION NETWORKS


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