A blog about current topics in computer science and media, maintained by students of the Hochschule der Medien Stuttgart (Stuttgart Media University).
Recent Posts
The Dark Side of AI – Part 1: Cyberattacks and Deepfakes
Introduction Who hasn’t seen a cinema production in which an AI-based robot threatens individual people or the entire human race? It is in the stars when or if such a technology can really be developed. With this series of blog entries we want to point out that AI does not need robots to cause damage.…
GDPR and Information Security: A practical guide for Startups and small businesses
Let me start with a story. My first contact with GDPR (general data protection regulation) and the topic of information security was during my bachelor throughout an app project. We had set ourselves the goal of uploading the app to Google Play Store by the end of the semester and were thus inevitably confronted with…
IoT security – The current situation, “best practices” and how these should be applied
Smart thermostats, lamps, sockets, and many other devices are no longer part of any futuristic movies. These items can be found in most households, at least in parts, whether in Europe, America, or Asia. A trend that affects the entire globe and is currently gaining ground, especially in industrialized countries. It seems to be obvious…
E-Health in Deutschland: Die neue Elektronische Patientenakte
Anfang 2021 soll die elektronische Patientenakte (ePA) starten. Damit wird es möglich sein, alle Gesundheitsdaten (Befunde, Diagnosen, Behandlungsmaßnahmen, Arztbriefe, etc.) zentral zu speichern. Patienten bekommen so einen zentralen Überblick über all ihre bei verschiedenen Ärzten erfassten Daten, und sind in der Lage, diese Informationen mit bestimmten Ärzten zu teilen. So wird der Datenaustausch zwischen Ärzten,…
Open Source Batch and Stream Processing: Realtime Analysis of Big Data
Abstract Since the beginning of Big Data, batch processing was the most popular choice for processing large amounts of generated data. These existing processing technologies are not suitable to process the large amount of data we face today. Research works developed a variety of technologies that focus on stream processing. Stream processing technologies bring significant…
Distributed stream processing frameworks – what they are and how they perform
An overview on stream processing, common frameworks as well as some insights on performance based on benchmarking data
Isolation and Consistency in Databases
by Samuel Hack and Sebastian Wachter. Most people assume that the data coming from a database is correct. For most applications this is true, but when the databases are used in systems where the database is at its limit, this is no longer always the case. What happens if during a query of a value…
Autoscaling of Docker Containers in Google Kubernetes Engine
In this blog post we are taking a look at scaling possibilities within Kubernetes in a cloud environment. We are going to present and discuss various options that all have the same target: increase the availability of a service.
Attempts at automating the build process of a .NET WPF application with GitLab’s CI/CD pipeline
(Originally written for System Engineering and Management in 02/2020)
Kubernetes: from Zero to Hero with Kompose, Minikube, k3sup and Helm — Part 2: Hands-On
This is part two of our series on how we designed and implemented a scalable, highly-available and fault-tolerant microservice-based Image Editor. This part depicts how we went from a basic Docker Compose setup to running our application on our own »bare-metal« Kubernetes cluster.
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