Master Thesis in Computer Science/ Electrical Engineering (f/m/x)

German Aerospace Center (DLR) Oberpfaffenhofen

Stellenbeschreibung:

Master Thesis Student in Computer Science / Electrical Engineering / Information Technology

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The DLR Institute of Communications and Navigation is dedicated to mission-oriented research in selected areas of communications and navigation. Its work ranges from the theoretical foundations to the demonstration of new procedures and systems in a real environment and is embedded in DLR's Space, Aeronautics, Transport, Security and Digitalization programmes.

What to expect

The QUIC transport protocol has emerged as a secure and efficient alternative to TCP, offering built-in end-to-end encryption and authentication. However, this increased security renders QUIC packets opaque to middleboxes, potentially hindering the performance benefits traditionally provided by performance‑enhancing proxies. These proxies are particularly valuable in scenarios with lossy WiFi connections combined with high‑latency links (e.g., satellite).

This thesis will investigate recently proposed enhancements to QUIC aimed at improving performance in these challenging network environments. The work will involve developing a simulation environment, implementing and evaluating packet loss detection mechanisms, and integrating these mechanisms into a QUIC protocol stack.

Your tasks

Develop a simulator environment (e.g., using NS3) to evaluate QUIC performance across various network configurations.
Implement and benchmark schemes for detecting packet loss over end-to-end encrypted QUIC connections.
Integrate selected packet‑loss detection mechanisms into a QUIC protocol stack.