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INTERNATIONAL JOURNAL OF ENGINEERING DEVELOPMENT AND RESEARCH
(International Peer Reviewed,Refereed, Indexed, Citation Open Access Journal)
ISSN: 2321-9939 | ESTD Year: 2013

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Paper Details
Paper Title
Enhanced Content Delivery Network to Improve the QoE
Authors
  Sachendra Singh Solanky,  Sandra Brigit Johnson ,  Vakkalagadda Eswar Praphul

Abstract
Content Delivery Network (CDN) is a distributed system of network servers arranged for more effective delivery of content to end-users. They offer fast and reliable applications and services by distributing content to cache or edge servers located close to user. The primary goal of a CDN is to achieve scalability. It allows dynamic provisioning of resources to address flash crowds and varying traffic needs as well. This leads to the concept of virtualizing a CDN. When several instances of a CDN are integrated into a single box, it is called a virtual CDN which can further reduce the network latency. Partial Resource Caching is another feature that could also help in minimizing the latency. It maintains the integrity of the requested content from the source as well as the caches through the usage of etags. It is also essential to prioritize the traffic, based on its criticality which can be attained through traffic characterization using Differentiated Services Code Point (DSCP) header that replaces the existing TOS /TC field in the IPv4/v6 packets. Thus better Quality of Service (QoS) could be maintained with the customers as guaranteed by their corresponding Service Level Agreements (SLA) thereby ensuring minimum latency.

Keywords- CDN, Partial Resource Caching, Differentiated Services Code Point (DSCP), latency
Publication Details
Unique Identification Number - IJEDR1402149
Page Number(s) - 2209-2213
Pubished in - Volume 2 | Issue 2 | June 2014
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Sachendra Singh Solanky,  Sandra Brigit Johnson ,  Vakkalagadda Eswar Praphul,   "Enhanced Content Delivery Network to Improve the QoE", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.2, Issue 2, pp.2209-2213, June 2014, Available at :http://www.ijedr.org/papers/IJEDR1402149.pdf
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