NDLI: e-SAFE: An Extensible, Secure and Fault Tolerant Storage System

Content Provider	IEEE Xplore Digital Library
Author	Agarwala, S. Paul, A. Ramachandran, U. Schwan, K.
Copyright Year	2007
Description	Author affiliation: Georgia Tech., Atlanta (Agarwala, S.)
Abstract	This paper describes e-SAFE , a scalable utility-driven distributed storage system that offers very high availability at an archival scale and reduces management overhead such as periodic repairs. e-SAFE is designed to provide a storage utility for environments such as large-scale data centers in enterprise networks where the servers experience temporary unavailability (possibly high load, temporary downtimes due to repair or software/hardware upgrades). e-SAFE is based on a simple principle: efficiently sprinkle data all over a distributed storage and robustly reconstruct even when many of them are unavailable. e-SAFE also provides strong guarantee on data-integrity. The use of Fountain codes for replicating file data blocks, an efficient algorithm for fast parallel encoding and decoding over multiple file segments, a utility module for service differentiation and auto-adjustments of design parameters, and a background replication mechanism hiding the cost of replication and dissemination from the user, provide a fast, durable and autonomous storage solution.
Starting Page	257
Ending Page	268
File Size	421515
Page Count	12
File Format	PDF
ISBN	0769529062
DOI	10.1109/SASO.2007.21
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-07-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Availability Network servers Fault tolerant systems Hardware Robustness Encoding Large-scale systems Decoding Environmental management Secure storage
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
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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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