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Drop strategies and loss-rate differentiation
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Computer Science.
2001 (English)In: Proceedings: Ninth International Conference on Network Protocols, ICNP 2001 : 11 - 14 November 2001, Riverside, California, USA, Los Alamitos, Calif: IEEE Communications Society, 2001, 146-154 p.Conference paper, Published paper (Refereed)
Abstract [en]

When offering loss-rate differentiation in IP networks, the drop strategy used can have a considerable influence on packet loss and delay. In particular, a strategy of dropping packets only as they arrive can cause bursty loss patterns and high jitter. When only arriving packets are dropped, the router may need to wait for low priority packets to arrive before dropping any packet. This results in larger queue oscillation than if low priority packets were dropped immediately from the queue. Queue oscillation gives bursty loss patterns and delay jitter. We present simulations showing that dropping packets from the queue gives smoother loss patterns and less jitter than if packets are dropped only as they arrive. These simulations cover both TCP Sack and TCP Reno. WRED with and without the gentle modification is used to make drop decisions.

Place, publisher, year, edition, pages
Los Alamitos, Calif: IEEE Communications Society, 2001. 146-154 p.
National Category
Computer Sciences
Research subject
Dependable Communication and Computation Systems
Identifiers
URN: urn:nbn:se:ltu:diva-34536DOI: 10.1109/ICNP.2001.992894Local ID: 8c27f9c0-fbfd-11dc-a946-000ea68e967bISBN: 0-7695-1429-4 (print)OAI: oai:DiVA.org:ltu-34536DiVA: diva2:1007787
Conference
International Conference on Network Protocols : 11/11/2001 - 14/11/2001
Note
Godkänd; 2001; 20080327 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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