NDLI: A pragmatic basis for the formal development of distributed systems

Content Provider	IEEE Xplore Digital Library
Author	Wood, K.R.
Copyright Year	1993
Description	Author affiliation: Programming Res. Group, Oxford Univ., UK (Wood, K.R.)
Abstract	We present a basis for the formal specification and stepwise development of distributed systems, i.e. programs which are intended (at least conceptually) to run on distributed-memory parallel machines which communicate via synchronized message-passing. Our approach was motivated by the need for a practicable formal complement to the informal "bubbles and arrows" reasoning which is typically used by those who develop such programs for real parallel machines. The approach extends the sequential refinement calculus to allow the introduction of CSP-style concurrency. This extension is achieved by augmenting the language of the sequential calculus with appropriate parallel constructs and by replacing the underlying weakest precondition semantics with an extended failures-divergences semantics originally used to give a denotational semantics to occam. The resulting calculus maintains the laws of the original sequential calculus while allowing the seamless introduction of concurrency.
Starting Page	132
Ending Page	140
File Size	758895
Page Count	9
File Format	PDF
ISBN	0818643609
DOI	10.1109/IWSSD.1993.315505
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-12-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Calculus Concurrent computing Parallel machines Distributed computing Laboratories Formal specifications Microprocessors Workstations Usability Solids
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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