NDLI: Work-Conserving Fair-Aggregation with Rate-Independent Delay

Content Provider	IEEE Xplore Digital Library
Author	Cobb, J.A.
Copyright Year	2008
Description	Author affiliation: Dept. of Comput. Sci., Univ. of Texas at Dallas, Richardson, TX (Cobb, J.A.)
Abstract	Flow aggregation has been proposed as a technique to improve the scalability of QoS scheduling in the core of the Internet, by reducing the amount of per-flow state necessary at a router. This is accomplished by aggregating into a single flow multiple flows that share part of the same path to the destination. In its simplest form, flow aggregation is inherently non-work- conserving, that is, it may temporarily leave the output channel idle even though there are still packets to be forwarded. Work-conserving variations of flow aggregation are more desirable, because they allow flows to temporarily exceed their reserved rate and take advantage of bandwidth unused by other flows. This, however, requires a per-hop delay proportional to the rate reserved for the aggregate flow. Thus, if a lower delay is desired, the aggregate flow must reserve from the network a data rate that is greater than its true rate. In this paper, we explore the conditions under which work- conserving flow aggregation can be performed with rate- independent delay. That is, the aggregate flow is able to choose a per-hop delay that is independent of the data rate it reserved from the network. The price to be paid for this flexibility, however, is a restriction in the choice of packet size and data rates of its constituent flows.
Starting Page	1
Ending Page	6
File Size	127944
Page Count	6
File Format	PDF
ISBN	9781424423897
ISSN	10952055
DOI	10.1109/ICCCN.2008.ECP.85
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-08-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delay Quality of service Aggregates Bandwidth Scalability Video on demand Virtual colonoscopy Access protocols Resource management Computer science
Content Type	Text
Resource Type	Article

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

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