DiffServ QoS Support in DSL Broadband Access Networks


The KIPS Transactions:PartC, Vol. 13, No. 5, pp. 613-620, Oct. 2006
10.3745/KIPSTC.2006.13.5.613,   PDF Download:

Abstract

From both technical and economic viewpoints, DiffServ IP QoS architecture is accepted as a more practical solution because of the complexity problem of the other IntServ architecture. In this paper, we propose several models to support DiffServ QoS in DSL broadband access networks and discuss about migration path from current best-effort DSL networks to DiffServ-enabled ones. Since DSL networks are recently and widely deployed in the world, amount of new investment, compatibility with existing QoS-unaware DSL systems, and compatibility with existing charging systems as well as effective support of various QoS services must be carefully considered when we design DiffServ QoS support models in DSL networks. The DiffServ models proposed in this paper are divided into static DiffServ models and dynamic DiffSrev models which are near-term solutions and long-term solutions repecitively. The static DiffServ models include Flat DiffServ which supports per-subscriber DiffServ QoS and Structured DiffServ which supports per-subscriber and per-service DiffServ QoS. And the dynamic DiffServ models include Direct DiffServ for P2P(Peer to Peer) applications and Indirect DiffServ for ASP(Application Service Provider) applications.


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Cite this article
[IEEE Style]
S. C. Park, "DiffServ QoS Support in DSL Broadband Access Networks," The KIPS Transactions:PartC, vol. 13, no. 5, pp. 613-620, 2006. DOI: 10.3745/KIPSTC.2006.13.5.613.

[ACM Style]
Seung Chul Park. 2006. DiffServ QoS Support in DSL Broadband Access Networks. The KIPS Transactions:PartC, 13, 5, (2006), 613-620. DOI: 10.3745/KIPSTC.2006.13.5.613.