Title :
The performance of GPS and EDF with temporary sessions
Author :
Andrews, Matthew ; Zhang, Lisa
Author_Institution :
Bell Labs., Murray Hill, NJ, USA
fDate :
6/24/1905 12:00:00 AM
Abstract :
We study the behavior of packet scheduling protocols in a temporary sessions model in which sessions come and go over time. We first show that, in this setting, the standard delay bound for the well-studied generalized processor sharing (GPS) protocol can be exceeded by an arbitrary amount. In extreme cases, GPS can actually be unstable. In contrast, we then show that it is possible to choose deadlines so that the earliest-deadline-first (EDF) protocol is always stable. We illustrate our results by analysis and simulations.
Keywords :
delays; packet switching; protocols; scheduling; EDF protocol; GPS protocol; earliest-deadline-first protocol; end-to-end delay performance; generalized processor sharing protocol; packet scheduling protocols; standard delay bound; temporary sessions; Analytical models; Communication networks; Delay effects; Global Positioning System; Multiprotocol label switching; Network servers; Processor scheduling; Protocols; Scheduling algorithm;
Conference_Titel :
Quality of Service, 2002. Tenth IEEE International Workshop on
Print_ISBN :
0-7803-7426-6
DOI :
10.1109/IWQoS.2002.1006577
