Question : Final year project

I am student of Computer Sciences. I like to develop my final year project. My major interest is Network. But I am confuse to choose whic application I devlop so my nwtworking conecpts ll be more clear. Any body guide me to choose a topic..

Answer : Final year project

Write a prog that listens to the network and filters out the routing table updates to produce a learnt topological diagram of the network.