Category Archives: design

How volatile Compute Clouds are supposed to be?

June 15, 2009 – 10:09 pm

Yesterday afternoon, while relaxing in the garden I’ve suddenly realized why – in my mind – there was always a bit of hesitation to brand some of the emerging offerings as a true Cloud Computing. Amazon EC2 has always ticked the box. Why not the other providers? I knew the answer is going to be [...]

By Radim Marek | Also posted in cloud | Tagged , , , , , | Leave a Comment

Aggregation vs Composition

March 10, 2008 – 7:05 pm

Not just while using UML, but in general object design discussions I’m often facing situation when somebody doesn’t really understand different ways how to design new objects. This blog post is my attempt to summarize the differences between aggregation and composition, and provide examples accompanied by UML diagrams. 
Answer for this confusion is in ownership. When [...]

By Radim Marek | Tagged , , , , , | Comments (1)