It's an event-based design approach for server-side applications by Matt Welsh. It's based on his PhD. I wanted to use it in my projects, but never had a chance until very recently.
Another interesting project is Chord, "a scalable Peer-to-peer Lookup Service for Internet Applications". It's about finding data in a distributed environment, distributed hashtable.
This is Argyn's blog. I comment on topics of my interests such as software, math, finance, and music. Also, I write about local events in Northern Virginia, USA and all things related to Kazakhstan