NDLI: An Experimental Service for Adaptable Data Reconfiguration

Content Provider	IEEE Xplore Digital Library
Author	Cerf, V. Harslem, E. Heafner, J. Metcalfe, R. White, J.
Copyright Year	1972
Abstract	The ARPA computer network (ARPANET) is a nationwide network of diverse autonomous computers connected via a message-switching store-and-forward communications subnet using leased wide-band (50-kbit/s) telephone lines. A primary objective of the ARPANET is to share preexisting programs and data. Many of the difficulties of using remotely generated programs and data are found to be simple format incompatibilities requiring data manipulations like character set conversion, header prefacing and stripping, packing and unpacking of repeated data, generating counters and flags, and field transposition. The data reconfiguration service (DRS) is an attempt to provide a convenient way of performing these data manipulations in order to mediate between superficially incompatible data streams connecting existing programs in the ARPANET. Desiring to match two incompatible input-output streams, an applications programmer specifies a data stream transformation (called a form) written in the data reconfiguration language (DRL). Associating the appropriate form name with the connection between his two programs, the programmer causes the DRS to follow his instructions on how the specified data streams are to be manipulated in the communication required to make the two programs cooperate over the ARPANET. Components of the DRS include the specification of its special-purpose data reconfiguration language, a form compiler to translate forms into fast-running transformation programs, an interpreter to perform high-speed data transformations at application program run time, and a standard set of ARPANET protocols for the routine handling of connections and form specifications between operating systems.
Starting Page	557
Ending Page	564
Page Count	8
File Size	897172
File Format	PDF
ISSN	00906778
Volume Number	20
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1972-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	ARPANET Computer networks Character generation Programming profession Wideband Telephony Counting circuits Joining processes Impedance matching Program processors
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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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