NDLI: Partially prestored harmonic data broadcasting scheme for popular videos

Content Provider	IEEE Xplore Digital Library
Author	Om, H.
Copyright Year	1975
Abstract	The harmonic data broadcasting scheme provide the best user latency. However, it has a drawback of not providing the video data always in time to view. This drawback has been overcome in some schemes. These schemes share common organizational structure to the harmonic scheme and hence may be called its variants. The main variants include cautious, quasi-harmonic, and polyharmonic schemes. The polyharmonic scheme has better performance for user latency in comparison to the cautious and quasi-harmonic schemes. But this scheme works by constraining a user for a fixed delay after receiving his/her request. During that delay period, some appropriate portion of the video data is stored in the buffer storage at the client's site and it can be read from the buffer, whenever it is needed. In the polyharmonic scheme, two main parameters constrain its practicability. First, it needs the videos to be divided into the large number of subsegments that increases complexity of management. Second, it requires huge amount of storage space at the client's site, increasing thus the cost of the end system. In this paper, the partially prestored harmonic scheme has been proposed, which requires less storage space than the polyharmonic scheme without affecting the user's waiting time. Further, the number of subsegments of the video is considerably less, while maintaining the same user latency.
Sponsorship	IEEE Consumer Electronics Society
Starting Page	709
Ending Page	714
Page Count	6
File Size	359893
File Format	PDF
ISSN	00983063
Volume Number	50
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Broadcasting Videos Bandwidth Multimedia communication Delay Buffer storage Costs Network servers Multimedia systems High-speed networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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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