Capacity analysis of MediaGrid: a P2P IPTV platform for fiber to the node (FTTN) networks
Yennun Huang
Yih-Farn Chen
Rittwik Jana
Hongbo Jiang
Michael Rabinovich
Amy Reibman
Bin Wei
Zhen Xiao
This paper appears in: Selected Areas in Communications, IEEE Journal on
Publication Date: Jan. 2007
Volume: 25,
Issue: 1
On page(s): 131-139
ISSN: 0733-8716
INSPEC Accession Number: 9311980
Digital Object Identifier: 10.1109/JSAC.2007.070113
Current Version Published: 2007-01-15
Abstract
This paper studies the conditions under which P2P sharing can increase the capacity of IPTV services over FTTN networks. For a typical FTTN network, our study shows a) P2P sharing is not beneficial when the total traffic in a local video office is low; b) P2P sharing increases the load on FTTN switches and routers in local video offices; c) P2P sharing is the most beneficial when the network bottleneck is experienced in the southbound segment of a local video office (equivalently a northbound segment of an FTTN switch); and d) sharing among all FTTN serving communities is not needed when network congestion problems are solved by using some other technologies such as program pre-caching or replication. Based on the analytical results, design for IPTV services which monitors FTTN network conditions and decides when and how to share videos among peers to maximize the service capacity. Simulations and bounds both validate the potential benefits of the MediaGrid IPTV service platform
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