NDLI: A programming model and system support for disconnected-aware applications on resource-constrained devices

Content Provider	IEEE Xplore Digital Library
Author	Weinsberg, Y. Ben-Shaul, I.
Copyright Year	2002
Description	Author affiliation: Dept. of Electr. Eng., Technion-Israel Inst. of Technol., Haifa, Israel (Weinsberg, Y.; Ben-Shaul, I.)
Abstract	The emergence of networked lightweight portable computing devices can potentially enable accessibility to a vast array of remote applications and data. In order to cope with shortage of local resources such as memory, CPU and bandwidth, such applications are typically designed as a thin-client thick-server applications. However, another highly desirable yet conflicting requirement is to support disconnected operation, due to the low quality and high cost of online connectivity. We present a novel programming model and a runtime infrastructure that addresses these requirements by automatically reconfiguring the application to operate in disconnected mode of operation, when voluntary disconnection is requested, and automatically resorting to normal distributed operation, upon reconnection. The programming model enables developers to design disconnected aware applications by providing a set of component reference annotations with special disconnection and reconnection semantics. Using these annotations, designers can identify critical components, priorities, dependencies, local component alternatives with reduced functionality, and state merging policies. The runtime infrastructures carries out dis- and re-connection semantics using component mobility and dynamic application layout. The disconnected operation framework, FarGo-DA, is an extension of FarGo, a mobile component framework for distributed applications.
Sponsorship	ACM ACM SIGSOFT IEEE Comput. Soc. IEEE Comput Soc. Tech. Council on Software Eng
Starting Page	374
Ending Page	384
File Size	1280800
Page Count	11
File Format	PDF
ISBN	158113472X
DOI	10.1145/581384.581386
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-05-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Association for Computing Machinery, Inc. (ACM)
Subject Keyword	Cities and towns Optical arrays Costs Runtime Merging Permission Web server Electronic mail Automatic programming Network servers
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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