NDLI: Lasp: a language for distributed, eventually consistent computations with CRDTs

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Lasp: a language for distributed, eventually consistent computations with CRDTs

Content Provider	ACM Digital Library
Author	Van Roy, Peter Meiklejohn, Christopher
Abstract	We propose Lasp, a novel programming model aimed to simplify correct, large-scale, distributed programming. Lasp leverages ideas from distributed dataflow programming extended with convergent data types. This provides support for computations where not all participants are online together at a given moment through Lasp's "convergent by design" applications. Lasp provides a familiar functional programming semantics, built on top of distributed systems infrastructure, targeted at the Erlang runtime system. The initial Lasp design presented in this report supports synchronization free programming using convergent data types. It combines the expressiveness of these data types together with powerful primitives for composing them. This design lets us write long-lived fault-tolerant distributed applications with non-monotonic behavior. We show how to implement one nontrivial large-scale application, the ad counter scenario from the SyncFree project.
Starting Page	1
Ending Page	4
Page Count	4
File Format	PDF
ISBN	9781450335379
DOI	10.1145/2745947.2745954
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2015-04-21
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Eventual consistency Commutative operations Erlang
Content Type	Text
Resource Type	Article

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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
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