Campus-Downloader is a fastest downloader for students living in campus.
As we known, downloading speed of campus students is limited while the bandwidth of whole campus is as many times as ours. The Campus-Downloader use broadcast to find peer in the LAN to help download.
However, you think it sound like P2P download. Every node in P2P are equal while Campus-Downloader are master-slave architecture. All the salve node just download what master need and send them to master.
What are you waiting for? Just ask your school-mate run it in slave mode and you download things in master mode. Enjoy it!