Dirk Riehle's Industry and Research Publications

Tag: Evergreen

On the Open Cloud Principles: Every Real-World Specification is an Underspecification

Trying to wrap my head around the Open Cloud Principles put out by the revamp of the Open Cloud Initiative, I’m happy to note that software engineering research has something to say to the challenges these principles will face. Every real-world specification is an underspecification. So, well, I say that, but I doubt that I’m…

2011-07-29
Controlling and steering open source projects [Computer Magazine]

The IEEE just published a short version of the “control points and steering mechanisms” article. Here is the abstract. Please see the original for more details. Abstract: Open source software has become an important part of the software business. In a 2009 survey, Forrester Research found that 46 percent of all responding enterprises were using…

2011-07-18
The Java IP Story

Every year, I teach the AMOS class, a lab course on “Agile Methods and Open Source” that combines lectures with a real software project that ideally turns into a startup (see the AMOS Project concept, in German). To explain open source, I have to introduce students to intellectual property rights, of which most have been…

2011-06-30
The Open Source Big Bang

Open source is not only software, but also an approach to software development. The public nature of open source projects lets us show how open source software development scales to the largest project sizes. The following figure illustrates the scalability of open source software development. I call it the big bang of open source. The…

2011-06-21
The Open Source Innovation and Commoditization Frontier

Following up on Matt Aslett’s excellent post about the growth of permissive licenses and a short discussion about it on my research group’s blog, I wanted to suggest here a thought about the ratio of new vendor-owned vs. community-owned open source projects. I’m ignoring existing projects because of their path dependence (read: only today do…

2011-06-20
The single-vendor commercial open source business model [Book Chapter]

Update 2012-01-28: Springer changed the citation. The reference below reflects this. Springer just republished our 2009 article on how vendor-owned open source works, again. Here is the abstract: Abstract: Single-vendor commercial open source software projects are open source software projects that are owned by a single ﬁrm that derives a direct and signiﬁcant revenue stream…

2010-12-06