1999 12 15 Internet Week 99 Internet Week 99 ©1999 Tomoharu Satoh, Shigeki Yahagi, Japan Network Information Center 1 2 2.1 • 10 • 1980 UNIX NFS NIS • 1990 UNIX • UNIX - DNS - - - - 2.2 • • 1 • 2.3 • SOHO 128Kbps DHCP PPP • ATM OSPF • NAT VLAN • 2.4 • • • • • VLAN • 2.5 • • • • • • 2.6 • • / • • Inside Outgoing 2.7 • • CPU 2.8 1 1 2 Performance Management Security Management Fault Management Confi