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Group communication techniques in overlay networks

Research output: Contribution to journalJournal article


  • Knut-Helge Vik
  • Paal Halvorsen
  • Carsten Griwodz
  • Roger Zimmermann
  • Utz Roedig
<mark>Journal publication date</mark>2009
<mark>Journal</mark>ACM SIGMM Records
Number of pages2
<mark>Original language</mark>English


One type of Internet services that have recently gained much attention are services that enable people around the world to communicate in real-time. Such services of real-time interaction are offered by applications most commonly referred to as distributed interactive applications. Concrete examples of distributed interactive applications are multiplayer online games, audio/video conferencing, and many virtual-reality applications linked to education, entertainment, military, etc. A time-dependent requirement generally applies to all distributed interactive applications that aim to support real-time interaction, and is usually in terms of a few hundred milliseconds. The latency requirements are manifested in terms of event-distribution, group membership management, group dynamics, etc., far exceeding the requirements of many other applications.