During the last two years, I was involved in several projects deployed on the Amazon cloud. Being a relatively early adopter was a fantastic experience that provided lots of opportunities to burn my fingers and learn from mistakes. It also seriously challenged my view of scalable software architectures. I spoke about key lessons learned at CloudCamp London last week – here is the summary of that presentation.
http://gojko.net/2010/01/25/designing-applications-for-cloud-deployment/