Here are some UML diagrams, representing the connections between the framework classes. They are not full, but could be used as a starting point for a better documentation. The diagrams are done using Umbrello.

Network Design UML Diagram

Reactor Design UML Diagram

Network - Reactor Collaboration UML Diagram
Network Design Reactor Design Network - Reactor

Here is the document describing Leader/Followers design pattern: lf.pdf

Reactor: Reactor, part 1, Reactor, part 2

2007 AKULA, Designed by M. Petrova