NDLI: A two-level distributed architecture for efficient Web content adaptation and delivery

Content Provider	IEEE Xplore Digital Library
Author	Canali, C. Cardellini, V. Colajanni, M. Lancellotti, R. Yu, P.S.
Copyright Year	2004
Description	Author affiliation: Parma Univ., Italy (Canali, C.)
Abstract	The complexity of services provided through the Web is continuously increasing as well as the variety of new devices that are gaining access to the Internet. Tailoring Web and multimedia resources to meet the user and client requirements opens two main novel issues in the research area of content delivery. The working set tends to increase substantially because multiple versions may be generated from the same original resource. Moreover, the content adaptation operations may be computationally expensive. In this paper, we consider third-party infrastructures composed by a geographically distributed system of intermediary and cooperative nodes that provide fast content adaptation and delivery of Web resources. We propose a novel distributed architecture of intermediary nodes which are organized in two levels. The front-end nodes in the first tier are thin edge servers that locate the resources and forward the client requests to the nodes in the second tier. These interior nodes are fat servers that run the most expensive functions such as content adaptation, resource caching and fetching. Through real prototypes we compare the performance of the proposed two-level architecture to that of alternative one-level infrastructures where all nodes are fat peers providing the entire set of functions.
Starting Page	132
Ending Page	139
File Size	232070
Page Count	8
File Format	PDF
ISBN	0769522629
DOI	10.1109/SAINT.2005.10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-02-04
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Service oriented architecture Peer to peer computing Computer architecture Web and internet services Personal digital assistants Irrigation Prototypes Multimedia computing Handheld computers Mobile handsets
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
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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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