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Description
  • We consider the following buffer management problem arising in QoS networks: packets with specified weights and deadlines arrive at a network switch and need to be forwarded so that the total weight of forwarded packets is maximized. Packets not forwarded before their deadlines are lost. The main result of the paper is an online $64/33/approx 1.939$-competitive algorithm --the first deterministic algorithm for this problem with competitive ratio below $2$. For the $2$-uniform case we give an algorithm with ratio $/approx 1.377$ and a matching lower bound.
  • We consider the following buffer management problem arising in QoS networks: packets with specified weights and deadlines arrive at a network switch and need to be forwarded so that the total weight of forwarded packets is maximized. Packets not forwarded before their deadlines are lost. The main result of the paper is an online $64/33/approx 1.939$-competitive algorithm --the first deterministic algorithm for this problem with competitive ratio below $2$. For the $2$-uniform case we give an algorithm with ratio $/approx 1.377$ and a matching lower bound. (en)
  • Článek studuje deterministické online algoritmy pro zpracování front (cs)
Title
  • Improved online algorithms for buffer management in QoS switches
  • Improved online algorithms for buffer management in QoS switches (en)
  • Zlepšený online algoritmus pro zpracování front QoS jednotkách (cs)
skos:prefLabel
  • Improved online algorithms for buffer management in QoS switches
  • Improved online algorithms for buffer management in QoS switches (en)
  • Zlepšený online algoritmus pro zpracování front QoS jednotkách (cs)
skos:notation
  • RIV/67985840:_____/07:00097689!RIV08-AV0-67985840
http://linked.open.../vavai/riv/strany
  • 1;19
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1M0545), P(GA201/05/0124), P(IAA1019401), Z(AV0Z10190503)
http://linked.open...iv/cisloPeriodika
  • 3
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 425771
http://linked.open...ai/riv/idVysledku
  • RIV/67985840:_____/07:00097689
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • online algorithms; scheduling (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [056478FE8B5F]
http://linked.open...i/riv/nazevZdroje
  • ACM Transactions on Algorithms
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 4
http://linked.open...iv/tvurceVysledku
  • Chrobak, M.
  • Sgall, Jiří
  • Tichý, Tomáš
  • Jawor, W.
http://linked.open...n/vavai/riv/zamer
issn
  • 1549-6325
number of pages
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