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  • The use of VoIP technologies is still growing: a SIP based client is nowadays integrated even in the Google's smartphone operating system Android. Recent progress in virtualization technology allows the use of virtual machines for real-time applications like VoIP. A continuous live migration of a whole system without breaking down of existing TCP and TLS connections is improving the availability and the hardware fault tolerance. Furthermore, it's transparent for clients without impact on the existing application. One of observed issues is the latency and the jitter added by buffering the network output between two virtual machine replication cycles. This problem can be disregarded for the signalling data, but it needs to be solved for the user data where the jitter must be compensated, otherwise it impairs the voice quality. In this article we present the impact of the live migration on the latency and jitter. We show that the utilisation of continuous live replication without network buffering improves the quality of user experience to the detriment of the data consistency. The impact of network buffering on network characteristics is also shown.
  • The use of VoIP technologies is still growing: a SIP based client is nowadays integrated even in the Google's smartphone operating system Android. Recent progress in virtualization technology allows the use of virtual machines for real-time applications like VoIP. A continuous live migration of a whole system without breaking down of existing TCP and TLS connections is improving the availability and the hardware fault tolerance. Furthermore, it's transparent for clients without impact on the existing application. One of observed issues is the latency and the jitter added by buffering the network output between two virtual machine replication cycles. This problem can be disregarded for the signalling data, but it needs to be solved for the user data where the jitter must be compensated, otherwise it impairs the voice quality. In this article we present the impact of the live migration on the latency and jitter. We show that the utilisation of continuous live replication without network buffering improves the quality of user experience to the detriment of the data consistency. The impact of network buffering on network characteristics is also shown. (en)
Title
  • Configuration of Live Migration for VoIP Applications
  • Configuration of Live Migration for VoIP Applications (en)
skos:prefLabel
  • Configuration of Live Migration for VoIP Applications
  • Configuration of Live Migration for VoIP Applications (en)
skos:notation
  • RIV/68407700:21230/12:00203614!RIV14-MSM-21230___
http://linked.open...avai/predkladatel
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S
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
  • 128442
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21230/12:00203614
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • high availability; jitter; live replication; virtualization (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [E4AB253DAD02]
http://linked.open...v/mistoKonaniAkce
  • Praha
http://linked.open...i/riv/mistoVydani
  • Praha
http://linked.open...i/riv/nazevZdroje
  • Proceedings of 15th Mechatronika 2012
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Bešťák, Robert
  • Hlaváček, Jiří
http://linked.open...vavai/riv/typAkce
http://linked.open...ain/vavai/riv/wos
  • 000324949300034
http://linked.open.../riv/zahajeniAkce
number of pages
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  • České vysoké učení technické v Praze
https://schema.org/isbn
  • 978-80-01-04987-7
http://localhost/t...ganizacniJednotka
  • 21230
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