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ThinkMind // International Journal On Advances in Telecommunications, volume 8, numbers 3 and 4, 2015 // View article tele_v8_n34_2015_9


Design of a Flexible Over the Top Content Streaming System with Dual Adaptation

Authors:
Eugen Borcoci
Radu Iorga
Cristian Cernat
Marius Constantin Vochin
Serban Obreja
Jordi Mongay Batalla
Daniel Negru

Keywords: content delivery; multi-criteria decision algorithms; server and path selection; media adaptation, monitoring, Future Internet; content-aware networking

Abstract:
Real-time content delivery services have recently achieved high popularity in Internet, both for professional communities and also for entertainment. In contrast with some complex architectures like Content Delivery Networks, or Content Oriented Networks, this paper considers a light architecture, working on top of the current networking IP multi-domain infrastructures. It enhances the real-time (video) content delivery, by exploiting the cases where the content object exists on several servers. The system performs an initial content server selection (based on multicriteria) considering the servers’ load status and network conditions. Then it performs in-session media dynamic flow rate adaptation. Additionally, if necessary, a server handover is triggered. All above functionalities are assembled in a unified solution. This paper is a preliminary work, to identify the main requirements and then to develop the design for a family of implementations. Different design decisions variants are analyzed and explored, proving the solution flexibility. Currently the proposed system is under implementation in the framework of a European project.

Pages: 215 to 226

Copyright: Copyright (c) to authors, 2015. Used with permission.

Publication date: December 30, 2015

Published in: journal

ISSN: 1942-2601

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