A queue management algorithm for intra-flow service differentiation in the "best effort" Internet

Henning Sanneck, Georg Carle

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

2 Zitate (Scopus)

Abstract

End-to-end QoS can be improved by exploiting knowledge about the flow structure to influence the flow within the network. This leads to a graceful degradation under congestion ("intra-flow" QoS). Typically this is accomplished by filtering higher-layer information within the network, which is both expensive in terms of resources, as well as undesirable with regard to network security. In this paper, we present a queue management algorithm called DiffRED (differential random early detection) that allows us to enhance intra-flow QoS without higher-layer filtering. The algorithm differentiates between packets marked by the sender as either more or less eligible to be dropped in comparison to unmarked packets. This gives the application some control over the packet loss process and thus enhances the performance of available end-to-end loss recovery mechanisms, end-to-end fairness and finally the perceived quality. The algorithm helps to bridge the huge gap between the current "best-effort" Internet and full deployment of inter-flow service differentiation. We introduce simple metrics to describe the loss process of individual flows and present simulation results for a voice service using the proposed scheme. We demonstrate how the algorithm provides a significant intra-flow QoS enhancement and evaluate the impact on conventional traffic.

OriginalspracheEnglisch
TitelProceedings - 8th International Conference on Computer Communications and Networks, ICCCN 1999
Redakteure/-innenArun Somani, EK Park, Sudhir Dixit
Herausgeber (Verlag)Institute of Electrical and Electronics Engineers Inc.
Seiten419-426
Seitenumfang8
ISBN (Print)0780357949, 9780780357945
DOIs
PublikationsstatusVeröffentlicht - 1999
Extern publiziertJa
Veranstaltung8th International Conference on Computer Communications and Networks, ICCCN 1999 - Boston, USA/Vereinigte Staaten
Dauer: 11 Okt. 199913 Okt. 1999

Publikationsreihe

NameProceedings - 8th International Conference on Computer Communications and Networks, ICCCN 1999

Konferenz

Konferenz8th International Conference on Computer Communications and Networks, ICCCN 1999
Land/GebietUSA/Vereinigte Staaten
OrtBoston
Zeitraum11/10/9913/10/99

Fingerprint

Untersuchen Sie die Forschungsthemen von „A queue management algorithm for intra-flow service differentiation in the "best effort" Internet“. Zusammen bilden sie einen einzigartigen Fingerprint.

Dieses zitieren