Service Oriented Network Architecture

Here is a very informative article on Service oriented architecture principles and SO Network Architecture

Biggest mistakes in Web design

If we visit any website, and if we can stay for more than 10 seconds then chances of revisiting the same website is more, else we may not visit that website again. What makes us to stay or leave with a website is decide by the usability experts of the website. If the users cannot get what they want in a website in 10 seconds, they would leave. If you want to test this, check out your own browsing habits ...

here is a informative website pointing out various things to keep in mind while designing websites. Vincent seems to have done extensive research on usability and keeps the website live.