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  • Briscoe, BobBT, Ipswich IP5 3RE, Suffolk, England (author)

Reducing Internet Latency : A Survey of Techniques and Their Merits

  • Article/chapterEnglish2016

Publisher, publication year, extent ...

  • IEEE,2016
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kau-47472
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-47472URI
  • https://doi.org/10.1109/COMST.2014.2375213DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Latency is increasingly becoming a performance bottleneck for Internet Protocol (IP) networks, but historically, networks have been designed with aims of maximizing throughput and utilization. This paper offers a broad survey of techniques aimed at tackling latency in the literature up to August 2014, as well as their merits. A goal of this work is to be able to quantify and compare the merits of the different Internet latency reducing techniques, contrasting their gains in delay reduction versus the pain required to implement and deploy them. We found that classifying techniques according to the sources of delay they alleviate provided the best insight into the following issues: 1) The structural arrangement of a network, such as placement of servers and suboptimal routes, can contribute significantly to latency; 2) each interaction between communicating endpoints adds a Round Trip Time (RTT) to latency, particularly significant for short flows; 3) in addition to base propagation delay, several sources of delay accumulate along transmission paths, today intermittently dominated by queuing delays; 4) it takes time to sense and use available capacity, with overuse inflicting latency on other flows sharing the capacity; and 5) within end systems, delay sources include operating system buffering, head-of-line blocking, and hardware interaction. No single source of delay dominates in all cases, and many of these sources are spasmodic and highly variable. Solutions addressing these sources often both reduce the overall latency and make it more predictable.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Brunström, Anna,1967-Karlstads universitet,Institutionen för matematik och datavetenskap (from 2013)(Swepub:kau)annabrun (author)
  • Petlund, AndreasSimula Res Lab AS, N-1364 Fornebu, Norway. (author)
  • Hayes, DavidUniv Oslo, N-0316 Oslo, Norway. (author)
  • Ros, DavidSimula Res Lab AS, N-1364 Fornebu, Norway. (author)
  • Tsang, Ing-JyhAlcatel Lucent, Bell Labs, B-2018 Antwerp, Belgium. (author)
  • Gjessing, SteinUniv Oslo, N-0316 Oslo, Norway. (author)
  • Fairhurst, GorryUniv Aberdeen, Aberdeen AB24 3FX, Scotland. (author)
  • Griwodz, CarstenSimula Res Lab AS, N-1364 Fornebu, Norway. (author)
  • Welzl, MichaelUniv Oslo, N-0316 Oslo, Norway. (author)
  • BT, Ipswich IP5 3RE, Suffolk, EnglandInstitutionen för matematik och datavetenskap (from 2013) (creator_code:org_t)

Related titles

  • In:IEEE Communications Surveys and Tutorials: IEEE18:3, s. 2149-21961553-877X

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