NDLI: Integration of voice communication on a synchronous optical hypergraph

Content Provider	IEEE Xplore Digital Library
Author	Ofek, Y.
Copyright Year	1988
Description	Author affiliation: IBM Thomas J. Watson Res. Center, Yorktown Heights, NY, USA (Ofek, Y.)
Abstract	The optical hypergraph is a novel network architecture in which each edge of the hypergraph is a multiple-access broadcast medium constructed as a passive optical star coupler. Access to each net (edge) is time-slotted, and the system maintains global slot synchronization. The integration of voice into the system is done by reserving time slots in a periodic manner. A packet which contains several voice parcels from different phone conversations is transferred in these slots. These parcels may have different destinations on the optical net. As a result of the global end-to-end synchronization, the delay from the source to the destination is a known constant, with accuracy of plus or minus half a time slot. In the analysis, it is shown that the system improves its operation as the communication bandwidth increases. In other words, the algorithms and protocols improve in performance as the communication bandwidth increases. Two criteria are used to exhibit this phenomenon: (i) the utilization efficiency and (ii) the end-to-end delay.
Starting Page	55
Ending Page	61
File Size	473091
Page Count	7
File Format	PDF
ISBN	0818608331
DOI	10.1109/INFCOM.1988.12898
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1988-03-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Integrated optics Bandwidth Optical fiber networks Broadcasting Delay Protocols Telephony Control systems Network topology Optical coupling
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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