Accelerating Mobile Applications with Parallel High-bandwidth and Low-latency Channels

William Sentosa, Balakrishnan Chandrasekaran, P. Brighten Godfrey, Haitham Hassanieh, Bruce Maggs, Ankit Singla

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Abstract

Interactive mobile applications like web browsing and gaming are known to benefit significantly from low latency networking, as applications communicate with cloud servers and other users' devices. Emerging mobile channel standards have not met these needs: general-purpose channels are greatly improving bandwidth but empirically offer little improvement for common latency-sensitive applications, and ultra-low-latency channels are targeted at only specific applications with very low bandwidth requirements. We explore a different direction for wireless channel design: utilizing two channels-one high bandwidth, one low latency-simultaneously for general-purpose applications. With a focus on web browsing, we design fine-grained traffic steering heuristics that can be implemented in a shim layer of the host network stack, effectively exploiting the high bandwidth and low latency properties of both channels. In the special case of 5G's channels, our experiments show that even though URLLC offers just 0.2% of the bandwidth of eMBB, the use of both channels in parallel can reduce page load time by 26% to 59% compared to delivering traffic exclusively on eMBB. We believe this approach may benefit applications in addition to web browsing, may offer service providers incentives to deploy low latency channels, and suggests a direction for the design of future wireless channels.

Original languageEnglish
Title of host publicationHotMobile 2021
Subtitle of host publicationProceedings of the 22nd International Workshop on Mobile Computing Systems and Applications
Place of PublicationNew York, NY, USA
PublisherAssociation for Computing Machinery, Inc
Pages1-7
Number of pages7
ISBN (Electronic)9781450383233
ISBN (Print)9781450383233
DOIs
Publication statusPublished - Feb 2021
Event22nd International Workshop on Mobile Computing Systems and Applications, HotMobile 2021 - Virtual, Online, United Kingdom
Duration: 24 Feb 202126 Feb 2021

Conference

Conference22nd International Workshop on Mobile Computing Systems and Applications, HotMobile 2021
CountryUnited Kingdom
CityVirtual, Online
Period24/02/2126/02/21

Bibliographical note

Publisher Copyright:
© 2021 ACM.

Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.

Keywords

  • URLLC
  • 5G
  • Traffic steering
  • eMBB
  • Parallel channels

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