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

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.

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.

• 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.

• Solid understanding of network protocols.
• Strong academic record.
• Experience with the NS3 network simulator.
• Familiarity with the QUIC transport protocol.
• Experience implementing communication protocols.

We look forward to getting to know you!

Vacancy- 3296

Francisco Lazaro Blasco

Tel.: