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Journal Articles Journal of Network and Computer Applications (JNCA) Year : 2020

A comprehensive analytical framework for VoD services in hybrid CDN-P2P systems

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Abstract

Video on Demand services generate the largest amount of traffic in networks nowadays. Previous works have proposed integrating Content Delivery Networks (CDN) and Peer-to-Peer (P2P) networks to satisfy this demand. However, their analytical methods do not consider all the factors that affect the performance of these systems. Hence, we present a novel comprehensive framework, based on a fluid model, to evaluate VoD services over hybrid CDN-P2P systems. The proposed framework considers features of the service (e.g., size, coding-rate and popularity of the video), network attributes (e.g., upload data-rate capacity of servers and peers) and characteristics of the behavior of the users (e.g., sojourn time, cooperativeness and frequency of random-seeks). Our framework allows a system to be evaluated under a wide variety of scenarios in terms of network-cost and Quality-of-Service (QoS) parameters and is flexible enough to model different resource allocation schemes, including a novel scheme to distribute the upload network capacity. Despite the wide variety of considered factors, our framework is tractable and as accurate as discrete-models based on Markov chains.
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Dates and versions

hal-03122777 , version 1 (05-07-2021)

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Noé Torres-Cruz, Mario Rivero-Angeles, Gerardo Rubino, Ricardo Menchaca-Mendez, Rolando Menchaca-Mendez, et al.. A comprehensive analytical framework for VoD services in hybrid CDN-P2P systems. Journal of Network and Computer Applications (JNCA), 2020, 161, pp.1-17. ⟨10.1016/j.jnca.2020.102643⟩. ⟨hal-03122777⟩
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