Institutsseminar/2024-10-11

Aus SDQ-Institutsseminar
Termin (Alle Termine)
Datum Freitag, 11. Oktober 2024
Uhrzeit 13:30 – 14:00 Uhr (Dauer: 30 min)
Ort Raum 010 (Gebäude 50.34)
Webkonferenz
Vorheriger Termin Fr 27. September 2024
Nächster Termin Fr 25. Oktober 2024

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Vorträge

Vortragende(r) Yannik Sproll
Titel Simulating Attacks on Blockchain Systems using Palladio
Vortragstyp Bachelorarbeit
Betreuer(in) Robert Heinrich
Vortragssprache Englisch
Vortragsmodus in Präsenz
Kurzfassung Due to the increasing interest of public institutions in blockchain technology, blockchain

systems could become a part of critical infrastructure for applications such as cryptocurrencies. Such scenarios impose strong security requirements on blockchain systems. To estimate the impact of the many characteristics that influence the security of blockchain systems, software architects need a way to analyze their blockchain system designs that is adaptable to various blockchain system configurations. In this work, I present a discrete event simulator that can simulate blockchain systems with various configurations and estimate the probability of successful double-spending attacks. I present a dedicated design model to represent blockchain system configurations and a simulation model that simulates blockchain systems based on design model instances. I ran experiments with different blockchain system configurations and obtained plausible success probabilities for double-spending attacks. My experiments revealed the influence of the network topology shape on the resilience of blockchain systems against doublespending attacks, demonstrating the practical usability of my approach to systematically improving blockchain system designs.

Vortragende(r) Anne-Kathrin Hermann
Titel Towards Integrating Low-Code in View-based Development
Vortragstyp Vortrag
Betreuer(in) Lars König
Vortragssprache Englisch
Vortragsmodus in Präsenz
Kurzfassung Abschlussvortrag Praxis der Forschung: In recent years, low-code development has been established as an innovative method for software development. It enables the development of a wide range of applications using graphical tools, with little or no knowledge of text-based programming languages. Closely related is model-driven development, where models play a primary role in specifying software systems and generating code partially automatically. While model-driven development supports development processes where developers from different domains work on different models that are kept consistent, in practice, classical model-driven tools are often difficult to use for domain experts with a less technical background. To bridge this gap, we propose a concept for integrating low-code platforms through projective views into model-driven development environments. We provide an initial evaluation of the feasibility of our concept using a development platform for smart home systems as a case study.
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