NDLI: An architecture of QoS services for a core Internet network over DTM

Content Provider	IEEE Xplore Digital Library
Author	Barenco, C.J. Salona, A.A. Moreno, J.I.
Copyright Year	2000
Description	Author affiliation: Polytech.. Univ. of Madrid, Spain (Barenco, C.J.)
Abstract	The differentiated services (DiffServ) model brings the flexibility of the definition of a variety of QoS services through PHBs (per hop behaviour) and traffic conditioners. It integrates gracefully with the integrated services (IntServ) model, that can have functions of QoS signalling, admission control, channel management, resource estimation and dynamic traffic contract agreement. With this integration we can have a scalable, flexible and dynamic IP core QoS environment. The transport network and switching solution used in the architecture proposed, DIPQoS (DTM IP QoS) architecture, is the DTM, a fast circuit switching technology. It is simple, cost effective and have attractive QoS performance. Four simplex services are defined in DIPQoS: the DSG (DTM strict guarantee), that guarantees the signalled peak rate and delay tolerance; the DGF (DTM guaranteed forwarding), that guarantees a minimum forwarding of packets based on pre-signalled QoS specifications and SLAs (service level agreements) between customer and provider. Another one is the DLF (DTM loose forwarding) that provides a loose forwarding of the packets based on discard priorities and also on guaranteed pre-signalled QoS specifications and SLAs. The last one is the DBE (DTM best effort), like the traditional Internet service, there is not QoS support. The purpose of this paper is to present a functional architecture of QoS services based on DiffServ and IntServ models for a core Internet network over the DTM technology.
Starting Page	351
Ending Page	359
File Size	764533
Page Count	9
File Format	PDF
ISBN	0780364198
DOI	10.1109/ECUMN.2000.880784
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-10-02
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	IP networks Web and internet services Diffserv networks Communication system traffic control Traffic control Switching circuits Harmonic analysis Intserv networks Admission control Resource management
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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