Weeks 5-7 DNS, IP Addressing, IP Routing
2: Application Layer1 DNS: Domain Name System People have many identifiers: SSN, name, passport number Internet hosts, routers have identifiers, too: IP.
DNS
1 Weeks 5-7 DNS, IP Addressing, IP Routing. 2 DNS: Domain Name System People: many identifiers: m SSN, name, passport # Internet hosts, routers: m IP.
Spring 2015© CS 438 Staff1 DNS. Host Names vs. IP addresses Host names Mnemonic name appreciated by humans Variable length, full alphabet of characters.
CIS3360: Security in Computing Chapter 6 : Network Security II Cliff Zou Spring 2012
