"An Upgrade Without Downtime"

Over at Udi Dhan is a summary post about Dennis van der Stelt's blog on how using a publish/subscribe model and large buffers allowed for power-cycling critical infrastructure without affecting the overall system performance.

It's the first time I've read something about software development and genuinely thought "epic".

Thoughts on Architecture

I was recently reading up on architecture on Wikipedia, more specifically on Multitier Architecture.  This made me realize that a project I was working on didn't really have a presentation layer, the data went straight from the Data Access Object (DAO) to the UI.  Implementing a separate logic tier seems like a bit of a hassle, but we'll see how it goes.