TCP / IP (8)
IP routing
- RIP - Routing Information Protocol (RFC 1058)
- OSPF - Open Shortest Path First (RFC 1247)
- EGP - Exterior Gateway Protocol (RFC 904)
Transport layer: TCP / UDP
- port numbers are used to identify applications; on Unix port numbers are defined in /etc/services; well-known ports:
- 21 (ftp), 23 (telnet), 25 (smtp), 80 (www), 119 (nntp), 123 (ntp)
- sockets - a combination of IP address and port number
Other Protocols
- DHCP - Dynamic Host Configuration Protocol designed (Microsoft) to centrally manage IP addresses on the network by allocating them dynamically whenever a client requires one. DHCP maintains a database of the addresses reserved and leased to clients.
- BOOTP- Booting Protocol (RFC 951)
- SNMP - Simple Network Management Protocol SNMP v1,2,3