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!