Major challenges
Tracking topology & configuration
Monitoring a switched network
Staying at right point in technology curve
Constraining complexity,
- phase out of legacies, Appletalk, Macs, DECnet IV, FDDI (user resistance)
- embracing new needs: e.g. VPNs, xDSL, IPv6, video, VoIP, IMAP, DHCP, QoS, new routing protocols