Queueing in the Mist: Buffering and Scheduling with Limited Knowledge

Itamar Cohen, Gabriel Scalosub

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

    Abstract

    Scheduling and managing queues with bounded buffers are among the most fundamental problems in computer networking. Traditionally, it is often assumed that all the properties of each packet are known immediately upon arrival. However, as traffic becomes increasingly heterogeneous and complex, such assumptions are in many cases invalid. In particular, in various scenarios information about packet characteristics becomes available only after the packet has undergone some initial processing. In this work, we study the problem of managing queues with limited knowledge. We start by showing lower bounds on the competitive ratio of any algorithm in such settings. Next, we use the insight obtained from these bounds to identify several algorithmic concepts appropriate for the problem, and use these guidelines to design a concrete algorithmic framework. We analyze the performance of our proposed algorithm, and further show how it can be implemented in various settings, which differ by the type and nature of the unknown information. We further validate our results and algorithmic approach by a simulation study that provides further insights as to our algorithmic design principles in face of limited knowledge.

    Original languageEnglish
    Title of host publication2017 IEEE/ACM 25th International Symposium on Quality of Service, IWQoS 2017
    PublisherInstitute of Electrical and Electronics Engineers
    ISBN (Electronic)9781509019830
    DOIs
    StatePublished - 5 Jul 2017
    Event25th IEEE/ACM International Symposium on Quality of Service, IWQoS 2017 - Vilanova i la Geltru, Spain
    Duration: 14 Jun 201716 Jun 2017

    Conference

    Conference25th IEEE/ACM International Symposium on Quality of Service, IWQoS 2017
    Country/TerritorySpain
    CityVilanova i la Geltru
    Period14/06/1716/06/17

    ASJC Scopus subject areas

    • Computer Networks and Communications
    • Hardware and Architecture
    • Safety, Risk, Reliability and Quality
    • Communication

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