Modelling Concurrent RTP Flows for End-to-end Predictions of QoS in Real Time Communications

• URL: http://arxiv.org/abs/2410.15846v1
• Date: Mon, 21 Oct 2024 10:16:56 GMT
• Title: Modelling Concurrent RTP Flows for End-to-end Predictions of QoS in Real Time Communications
• Authors: Tailai Song, Paolo Garza, Michela Meo, Maurizio Matteo Munafò,
• Abstract summary: We propose Packet-to-Prediction (P2P), a novel deep learning framework for predicting Quality of Service (QoS) metrics. We implement a streamlined architecture, capable of handling an unlimited number of RTP flows, and employ a multi-task learning paradigm to forecast four key metrics in a single shot. Our work is based on extensive traffic collected during real video calls, and conclusively, P2P excels comparative models in both prediction performance and temporal efficiency.
• Score: 5.159808922904932
• License:
• Abstract: The Real-time Transport Protocol (RTP)-based real-time communications (RTC) applications, exemplified by video conferencing, have experienced an unparalleled surge in popularity and development in recent years. In pursuit of optimizing their performance, the prediction of Quality of Service (QoS) metrics emerges as a pivotal endeavor, bolstering network monitoring and proactive solutions. However, contemporary approaches are confined to individual RTP flows and metrics, falling short in relationship capture and computational efficiency. To this end, we propose Packet-to-Prediction (P2P), a novel deep learning (DL) framework that hinges on raw packets to simultaneously process concurrent RTP flows and perform end-to-end prediction of multiple QoS metrics. Specifically, we implement a streamlined architecture, namely length-free Transformer with cross and neighbourhood attention, capable of handling an unlimited number of RTP flows, and employ a multi-task learning paradigm to forecast four key metrics in a single shot. Our work is based on extensive traffic collected during real video calls, and conclusively, P2P excels comparative models in both prediction performance and temporal efficiency.

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