NDLI: Admission Control for TCP Flows Using Packet Classes and Edge-to-edge Measurements of Aggregates

Content Provider	IEEE Xplore Digital Library
Author	Fabrega, L. Jove, T. Vila, P. Marzo, J. Carrillo, L.
Copyright Year	2006
Description	Author affiliation: Institute of Informatics and Applications (IIiA), University of Girona, Campus Montilivi, 17071 Girona, Spain (Fabrega, L.; Jove, T.; Vila, P.; Marzo, J.; Carrillo, L.)
Abstract	TCP flows from applications such as the web or ftp are well supported by a Guaranteed Minimum Throughput Service (GMTS), which provides a minimum network throughput to the flow and, if possible, an extra throughput. We propose a scheme for a GMTS using Admission Control (AC) that is able to provide different minimum throughput to different users and that is suitable for "standard" TCP flows. Moreover, we consider a multidomain scenario where the scheme is used in one of the domains, and we propose some mechanisms for the interconnection with neighbor domains. The whole scheme uses a small set of packet classes in a core-stateless network where each class has a different discarding priority in queues assigned to it. The AC method involves only edge nodes and uses a special probing packet flow (marked as the highest discarding priority class) that is sent continuously from ingress to egress through a path. The available throughput in the path is obtained at the egress using measurements of flow aggregates, and then it is sent back to the ingress. At the ingress each flow is detected using an implicit way and then it is admission controlled. If it is accepted, it receives the GMTS and its packets are marked as the lowest discarding priority classes; otherwise, it receives a best-effort service. The scheme is evaluated through simulation in a simple "bottleneck" topology using different traffic loads consisting of "standard" TCP flows that carry files of varying sizes.
Starting Page	760
Ending Page	765
File Size	442827
Page Count	6
File Format	PDF
ISBN	1424403553
ISSN	81649547
DOI	10.1109/ICC.2006.254799
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-11
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Admission control Aggregates Throughput Fluid flow measurement Web and internet services Informatics Topology Telecommunication traffic Traffic control Delay admission control guaranteed throughput TCP
Content Type	Text
Resource Type	Article

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