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A hierarchical fair service curve algorithm for link-sharing, real-time, and priority services

Content Provider	IEEE Xplore Digital Library
Author	Stoica, I. Zhang, H. Ng, T.S.E.
Copyright Year	1993
Abstract	We study hierarchical resource management models and algorithms that support both link-sharing and guaranteed real-time services with priority (decoupled delay and bandwidth allocation). We extend the service curve based quality of service (QoS) model, which defines both delay and bandwidth requirements of a class in a hierarchy, to include fairness, which is important for the integration of real-time and hierarchical link-sharing services. The resulting fair service curve (FSC) link-sharing model formalizes the goals of link-sharing, real-time and priority services and exposes the fundamental trade-offs between these goals. In particular, with decoupled delay and bandwidth allocation, it is impossible to simultaneously provide guaranteed real-time service and achieve perfect link-sharing. We propose a novel scheduling algorithm called hierarchical fair service curve (H-FSC) that approximates the model closely and efficiently. The algorithm always guarantees the service curves of leaf classes, thus ensures real-time and priority services, while trying to minimize the discrepancy between the actual services provided to and the services defined by the FSC link-sharing model for the interior classes. We have implemented the H-FSC scheduler in NetBSD. By performing analyzes, simulations and measurement experiments, we evaluate the link-sharing and real-time performances of H-FSC, and determine the computation overhead.
Sponsorship	IEEE Computer Society IEEE Communications Society Association for Computing Machinery (ACM)
Starting Page	185
Ending Page	199
Page Count	15
File Size	278748
File Format	PDF
ISSN	10636692
Volume Number	8
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delay Channel allocation Quality of service Power capacitors Performance evaluation Resource management Bandwidth Scheduling algorithm Processor scheduling Performance analysis
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Electrical and Electronic Engineering Computer Science Applications Software

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

A hierarchical fair service curve algorithm for link-sharing, real-time and priority services (1997).

A hierarchical fair service curve algorithm for link-sharing, real-time and priority services (1997)

A hierarchical fair service curve algorithm for link-sharing, real-time and priority services (1997)

A Hierarchical Fair Service Curve Algorithm for Link-Sharing, Real-Time and Priority Services (1997)

A Hierarchical Fair Service Curve Algorithm for Link-Sharing, Real-Time and Priority Services

A hierarchical fair service curve algorithm for link-sharing, real-time, and priority services

A hierarchical fair service curve algorithm for link-sharing, real-time and priority services (1997)

A hierarchical fair service curve algorithm for link-sharing, real-time and priority services

A hierarchical fair service curve algorithm for link-sharing, real-time and priority services

A hierarchical fair service curve algorithm for link-sharing, real-time, and priority services

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