ROBUST: A Reliable and Flexible Media Transport for Real-Time Services
Authors: 
Giovanna Carofiglio, Giulio Grassi, 
Luca Muscariello, Michele Papalini, Jacques SamainAuthors Info & Claims
Pages 2475 - 2488
Abstract
In the past few years, accelerated by Covid-19 pandemic, real-time services based on RTC (Real-Time Communications) have become pervasive, and their performance has become critical for a wide range of business and entertainment applications. The diffusion of RTC services beyond controlled enterprise network perimeters poses the challenge of guaranteeing high-quality, reliable, in-time delivery over the Internet and at global, worldwide scale. In this paper, we address such a problem by proposing ROBUST, a Reliable and Flexible Media Transport based on Pub/Sub Information-Centric Networking (ICN) principles. ROBUST brings enhanced reliability and flexibility to RTC applications over varying network environments and conditions. ROBUST initial design is experimentally assessed on three popular Video Conferencing applications (Jitsi Meet, Cisco Webex, and Zoom) with encouraging improvements in terms of objective Quality of Experience (QoE) metrics: e.g., we observe at least 91% loss recovery in the most challenging experimental settings, an improved video smoothness for Zoom up to 160%, a higher resolution for Webex up to 16%, while Jitsi with ROBUST works in conditions where the original application does not.
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Published: 11 July 2023
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