Research challenges in nextgen service orchestration

Luis M. Vaquero*, Felix Cuadrado, Yehia Elkhatib, Jorge Bernal-Bernabe, Satish N. Srirama, Mohamed Faten Zhani

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

24 Citations (Scopus)
164 Downloads (Pure)

Abstract

Fog/edge computing, function as a service, and programmable infrastructures, like software-defined networking or network function virtualisation, are becoming ubiquitously used in modern Information Technology infrastructures. These technologies change the characteristics and capabilities of the underlying computational substrate where services run (e.g. higher volatility, scarcer computational power, or programmability). As a consequence, the nature of the services that can be run on them changes too (smaller codebases, more fragmented state, etc.). These changes bring new requirements for service orchestrators, which need to evolve so as to support new scenarios where a close interaction between service and infrastructure becomes essential to deliver a seamless user experience. Here, we present the challenges brought forward by this new breed of technologies and where current orchestration techniques stand with regards to the new challenges. We also present a set of promising technologies that can help tame this brave new world.

Original languageEnglish
Pages (from-to)20-38
Number of pages19
JournalFuture Generation Computer Systems
Volume90
Early online date26 Jul 2018
DOIs
Publication statusPublished - Jan 2019

Keywords

  • Churn
  • Edge
  • FaaS
  • Fog
  • Large scale
  • NFV
  • NVM
  • Orchestration
  • SDN
  • Serverless

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