Journal
ETRI JOURNAL
Volume 36, Issue 2, Pages 197-205Publisher
WILEY
DOI: 10.4218/etrij.14.2113.0085
Keywords
Virtual content delivery network; cloud-based content delivery; multimedia service distribution
Funding
- MSIP (Ministry of Science, ICT & Future Planning), Korea, under the RD program
- Korea Communications Agency (KCA) [B0101-14-1285] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This paper proposes a novel framework for virtual content delivery networks (CDNs) based on cloud computing. The proposed framework aims to provide multimedia content delivery services customized for content providers by sharing virtual machines (VMs) in the Infrastructure-as-a-Service cloud, while fulfilling the service level agreement. Furthermore, it supports elastic virtual CDN services, which enables the capabilities of VMs to be scaled to encompass the dynamically changing resource demand of the aggregated virtual CDN services. For this, we provide the system architecture and relevant operations for the virtual CDNs and evaluate the performance based on a simulation.
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