Asbjørn Ulsberg

Asbjørn Ulsberg

Web technology expert and architect with a broad experience in developing, designing and managing a wide variety of systems, from web to desktop applications. Specialized in web technologies such as HTTP and architectural principles like REST and Hypermedia as well as more general software engineer best practices such as Domain Driven Design, Event Sourcing and Test Driven Development.

Posts By: Asbjørn Ulsberg

REST State Machine Revisited

In the months after the publication of Designing a True REST State Machine and the talk it was based on, there has been quite a bit of discussion and the questions posed should be addressed. While each could be responded to individually, perhaps they might be better served by writing everything up in a blog post. Read more

API Change Strategy

Some people, when confronted with a problem, think “I know, I’ll use versioning.” Now they have 2.1.0 problems.

Brandon Byers

Software Versioning

If your software has a fuzzy or seemingly random versioning scheme — or no apparent version number at all — you’ll likely agree it can be a nightmare to work with. Read more