Kurzfassung
Die zunehmende Vielzahl neuer Applikationen motiviert aufgrund ihrer gehobenen Leistungsund Funktionalitätsanforderungen ein Redesign von Netzwerk-Protokollarchitekturen. Eine angeforderte Dienstgüte (Quality of Service, QoS) soll nicht nur in lokalen homogenen Netzen, sondern auch über Netzwerkgrenzen hinweg in einem globalen heterogenen Netz gewährleistet werden. Eine Analyse der Syntax und Semantik existierender Transfersysteme (TCP/IP, OSI TP4/CLNP und XTP) hat ergeben, daß diese nicht in der Lage sind, für jede Anwendung die geeignete Protokollfunktionalität zur Verfügung zu stellen. Es fehlen vor allem effiziente Protokollmechanismen zur Unterstützung von Gruppenkommunikation und zur Vermeidung und zum Abbau von Überlast. In diesem Artikel werden daher Ansätze zur Realisierung von Multi- casting basierend auf dem XTP-Bücket-Algorithmus sowie Erweiterungen und Untersuchungen eines auf Slow-Start/Tri-S basierenden Überlastkontrollverfahrens vorgestellt.
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Heinrichs, B., Karabek, R., Mers, W. (1993). Optimierung Von Transfersystemen. In: Gerner, N., Hegering, HG., Swoboda, J. (eds) Kommunikation in Verteilten Systemen. Informatik aktuell. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-78091-2_28
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