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On the modelling of CDNaaS deployment

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Abstract

With the increasing demand for over the top media content, understanding user perception and Quality of Experience (QoE) estimation have become a major business necessity for service providers. Online video broadcasting is a multifaceted procedure and calculation of performance for the components that build up a streaming platform requires an overall understanding of the Content Delivery Network as a service (CDNaaS) concept. Therefore, to evaluate delivery quality and predicting user perception while considering NFV (Network Function Virtualization) and limited cloud resources, a relationship between these concepts is required. In this paper, a generalized mathematical model to calculate the success rate of different tiers of online video delivery system is presented. Furthermore, an algorithm that indicates the correct moment to switch between CDNs is provided to improve throughput efficiency while maintaining QoE and keeping the cloud hosting costs as lowest possible.

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Authors and Affiliations

  1. SuITE Research Group, Division of Computer Science, London South Bank University, 103 Borough Road, London, SE1 0AA, UK

    Utku Bulkan, Tasos Dagiuklas & Muddesar Iqbal

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  1. Utku Bulkan
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  2. Tasos Dagiuklas
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  3. Muddesar Iqbal
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Correspondence to Utku Bulkan.

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Bulkan, U., Dagiuklas, T. & Iqbal, M. On the modelling of CDNaaS deployment. Multimed Tools Appl 78, 6805–6825 (2019). https://doi.org/10.1007/s11042-018-6441-3

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  • DOI: https://doi.org/10.1007/s11042-018-6441-3

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