Category: Scalable Systems
Perfekter Glühwein für Zuhause: Thermometer mit Raspberry Pi und AWS
Abstract Kein anderes Getränk ist mit Weihnachtsmärkten so verbunden wie Glühwein. Und so trinkt sich der ausschweifende Weihnachtsmarktbesucher im Laufe der Adventszeit von Stand zu Stand bis er schließlich am Ende des Jahres seinen Lieblingsstand gefunden hat. Doch auch daheim kann der perfekte Glühwein gelingen. Wir zeigen, wie man sich ein Glühweinthermoter mit Cloudanbindung selber…
Get car location using Raspberry Pi and Google Cloud IoT Core
Google Cloud Platform There is no specific point, why we used the Google Platform. Our decision is based on serveral points. First of we learned a lot about the IBM Cloud and AWS in our Lecture Software Development for Cloud Computing and wanted to learn how other cloud providers work. Another point is, that we…
Your first Web App in the cloud – AWS and Beanstalk
Hello fellow readers! In this blog you will learn how to set up a web-game with worldwide ranking in the cloud without having to deal with complicated deployment. That means for you: More time on your application. The app uses Node.js with Express and MongoDB as backend. The frontend is made out of plain html,…
Getting Started with your first Software Project using DevOps
This Post is a getting started guide for creating a DevOps enabled web based software project.
Finding the right strategy for your way to the cloud
– Abstract – This article is about finding the right strategy if you want to empower your business with cloud computing. It’s written for those of you who are still new to this topic and want to get a first sight through the dense cloud mystery. After reading you should have gained an orientation on…
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…
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.