12
FIT100
Naming Computers II
Computers are named by IP address, four numbers in the range 0-255
•cse.washington.edu: 128.95.1.4
•ischool.washington.edu: 128.208.100.150
*Remembering IP addresses would be brutal for humans, so we use domains
*Computers find the IP address for a domain name from the Domain Name System -- an IP address-book computer
A computer needs to know IP address of DNS server!