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Scalability and Quality of Service: A Trade-off?

Welzl, Michael and Mühlhäuser, Max (2003):
Scalability and Quality of Service: A Trade-off?
In: IEEE Communications Magazine, 41 (6), pp. 32-36. IEEE, ISSN 0163-6804,
DOI: 10.1109/MCOM.2003.1204745,
[Article]

Abstract

During the last decade, two big efforts on Internet quality of service were made. The first, IntServ, promises precise per-flow service provisioning but never really made it as a commercial end-user product, which was mainly accredited to its lack of scalability. Its successor, DiffServ, is more scalable at the cost of coarser service granularity — which may be the reason why it is not yet commercially available to end users either. This leaves us with the question: is there a fundamental trade-off between QoS and scalability? A trade-off that, in the long run, could prevent deployment of QoS for end users altogether?

Item Type: Article
Erschienen: 2003
Creators: Welzl, Michael and Mühlhäuser, Max
Title: Scalability and Quality of Service: A Trade-off?
Language: English
Abstract:

During the last decade, two big efforts on Internet quality of service were made. The first, IntServ, promises precise per-flow service provisioning but never really made it as a commercial end-user product, which was mainly accredited to its lack of scalability. Its successor, DiffServ, is more scalable at the cost of coarser service granularity — which may be the reason why it is not yet commercially available to end users either. This leaves us with the question: is there a fundamental trade-off between QoS and scalability? A trade-off that, in the long run, could prevent deployment of QoS for end users altogether?

Journal or Publication Title: IEEE Communications Magazine
Journal volume: 41
Number: 6
Publisher: IEEE
Divisions: 20 Department of Computer Science
20 Department of Computer Science > Telecooperation
Date Deposited: 20 Nov 2008 08:18
DOI: 10.1109/MCOM.2003.1204745
Identification Number: tk284
License: [undefiniert]
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