This book describes an architecture for a feature tracking tool. After an introduction to the process of feature tracking, an overview of the implemented architecture and used technologies will be given. The system is realized as a server-client architecture exchanging XML messages via HTTP implemented in REST (Representational State Transfer). Persistent storage can be done on the server or on a client - each time using a native XML database. The server represents the central repository with which all clients synchronize their data. This document will show why this design and the...