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Proceedings Paper

Exploitation of wireless link QoS mechanisms in IP QoS architectures
Author(s): Jukka Manner; Markku Kojo; Aki Laukkanen; Mika Liljeberg; Tapio Suihko; Kimmo Raatikainen
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Paper Abstract

TCP/IP protocols make minimal assumptions about the capabilities of a link layer used to carry IP packets between nodes. The recent evolution of IP-based mobile and wireless communication has driven the design of wireless link layers and new features, including support for different QoS levels, are being included in the new link layer designs. The current IP QoS architectures are based purely on IP-layer decision making, packet buffering and scheduling through a single link-layer service access point. However, mobile wireless networks pose new challenges for IP QoS architecture implementations. In this paper, we introduce a generic convergence layer interface for controlling the capabilities of wireless network interfaces. Emphasis is on discovering the link layer functionalities and mapping IP QoS mechanisms to the available link layer features. Issues such as packet buffering and scheduling are discussed.

Paper Details

Date Published: 27 July 2001
PDF: 11 pages
Proc. SPIE 4524, Quality of Service over Next-Generation Data Networks, (27 July 2001); doi: 10.1117/12.434364
Show Author Affiliations
Jukka Manner, Univ. of Helsinki (Finland)
Markku Kojo, Univ. of Helsinki (Finland)
Aki Laukkanen, (Deceased) Univ. of Helsinki (Finland)
Mika Liljeberg, Nokia Corp. (Finland)
Tapio Suihko, VTT Information Technology (Finland)
Kimmo Raatikainen, Univ. of Helsinki (Finland)

Published in SPIE Proceedings Vol. 4524:
Quality of Service over Next-Generation Data Networks
Mohammed Atiquzzaman; Mahbub Hassan, Editor(s)

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