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http://hdl.handle.net/1942/26146
Title: | Web Performance Characteristics of HTTP/2 and comparison to HTTP/1.1 | Authors: | MARX, Robin WIJNANTS, Maarten QUAX, Peter LAMOTTE, Wim Faes, Axel |
Issue Date: | 2018 | Publisher: | Springer International Publishing | Source: | Majchrzak, Tim A.; Traverso, Paolo; Krempels, Karl-Heinz; Monfort, Valérie (Ed.). Lecture notes in business information processing (Print), Springer International Publishing,p. 87-114 | Series/Report: | Lecture Notes in Business Information Processing | Series/Report no.: | 322 | Abstract: | The HTTP/1.1 protocol has long been a staple on the web, for both pages and apps. However, it has started to show its age, especially with regard to page load performance and the overhead it entails due to its use of multiple underlying connections. Its successor, the newly standardized HTTP/2, aims to improve the protocol’s performance and reduce its overhead by (1) multiplexing multiple resources over a single TCP connection, (2) by using advanced prioritization strategies and by introducing new features such as (3) Server Push and (4) HPACK header compression. This work provides an in-depth overview of these four HTTP/2 performance aspects, discussing both synthetic and realistic experiments, to determine the gains HTTP/2 can provide in comparison to HTTP/1.1 in various settings. We find that the single multiplexed connection can actually become a significant performance bottleneck in poor network conditions with high packet loss and that HTTP/2 rarely improves much on HTTP/1.1, except in terms of reduced overhead. Prioritization strategies, Server Push and HPACK compression are found to have a relatively limited impact on web performance, but together with other observed HTTP/2 performance problems this could also be due to faulty current implementations, of which we have discovered various examples. | Keywords: | HTTP/2; web performance; best practices; HTTP; server push; prioritization; networking; measurements | Document URI: | http://hdl.handle.net/1942/26146 | Link to publication/dataset: | https://speeder.edm.uhasselt.be/lnbip18/files/WebPerfCharacteristicsOfH2_MarxRobin_13aug2017.pdf | ISBN: | 9783319935263 | DOI: | 10.1007/978-3-319-93527-0_5 | Rights: | (C) Springer International Publishing AG, part of Springer Nature 2018 | Category: | C1 | Type: | Proceedings Paper | Validations: | vabb 2020 |
Appears in Collections: | Research publications |
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WebPerfCharacteristicsOfH2_MarxRobin_13aug2017.pdf | Peer-reviewed author version | 1.01 MB | Adobe PDF | View/Open |
Published.pdf Restricted Access | Published version | 1.18 MB | Adobe PDF | View/Open Request a copy |
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