NDLI: Client-aware cloud storage

Content Provider	IEEE Xplore Digital Library
Author	Feng Chen Mesnier, M.P. Hahn, S.
Copyright Year	2014
Abstract	Cloud storage is receiving high interest in both academia and industry. As a new storage model, it provides many attractive features, such as high availability, resilience, and cost efficiency. Yet, cloud storage also brings many new challenges. In particular, it widens the already-significant semantic gap between applications, which generate data, and storage systems, which manage data. This widening semantic gap makes end-to-end differentiated services extremely difficult. In this paper, we present a client-aware cloud storage framework, which allows semantic information to flow from clients, across multiple intermediate layers, to the cloud storage system. In turn, the storage system can differentiate various data classes and enforce predefined policies. We showcase the effectiveness of enabling such client awareness by using Intel's Differentiated Storage Services (DSS) to enhance persistent disk caching and to control I/O traffic to different storage devices. We find that we can significantly outperform LRU-style caching, improving upload bandwidth by 5x and download bandwidth by 1.6x. Further, we can achieve 85% of the performance of a full-SSD solution at only a fraction (14%) of the cost.
Starting Page	1
Ending Page	12
File Size	1599511
Page Count	12
File Format	PDF
ISBN	9781479956715
DOI	10.1109/MSST.2014.6855554
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cloud computing Servers Semantics Containers Decision support systems Cryptography Protocols Cloud storage Storage Operating systems
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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