View of networks have followed same trend. Application Programmer - Sends streams of data between client and server. Network Programmer - Can trace application protocol data over the network. Expert Network Admin.
All machines are both clients and servers.
If a central site exists, it is used as a point of contact only. As at Bates College, a significant percentage of EMU's Internet bandwidth is used by Napster. A better option at EMU would be to disallow uploads completely.