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Address Conversion Functions and The Domain Name System Refs: Chapter 9 RFC 1034 RFC 1035 Netprog: DNS and name lookups 1 Hostnames • IP Addresses are great for computers – IP address includes information used for routing. • IP addresses are tough for humans to remember. • IP addresses are impossible to guess. – ever guessed at the name of a WWW site? Netprog: DNS and name lookups 2 The Domain Name System • The domain name system is usually used to translate a host name into an IP address . • Domain names comprise a hierarchy so that names are unique, yet easy to remember. Netprog: DNS and name lookups. | Address Conversion Functions and The Domain Name System Refs Chapter 9 RFC 1034 RFC 1035 Netprog DNS and name lookups 1 Hostnames IP Addresses are great for computers - IP address includes information used for routing. IP addresses are tough for humans to remember. IP addresses are impossible to guess. - ever guessed at the name of a WWW site Netprog DNS and name lookups 2 The Domain Name System The domain name system is usually used to translate a host name into an IP address . Domain names comprise a hierarchy so that names are unique yet easy to remember. Netprog DNS and name lookups
