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Network Protocols

This article provides an overview of Network and Internet Protocols, including IP addressing, ARP, ICMP, DHCP, DNS, routing protocols, IP multicast, and other related protocols.

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Network Protocols

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  1. Network Protocols • Internet Protocols Overview

  2. Internet documents • Internet drafts • Proposed, draft and internet standard • Informational • Historical • Experimental • Best Common Practice • For Your Information

  3. Internet Protocol (IP) • Datagram format • Addressing • IPv4 versus IPv6 • Unreliable • End-to-end • Datagram independence

  4. Address Resolution Protocol (ARP) • Layer 2 ½? • Medium access control (MAC) addresses • Internet Protocol (IP) addresses • ARP tables and ARP caches

  5. Internet Control Message Protocol (ICMP) • Status and errors • Unreachables • Echo / echo-reply messages • Redirects • Source quench • Other

  6. Dynamic Host Configuration Protocol (DHCP) • Automatic address assignment • Lease time and renewals • Dynamic DNS updates

  7. Domain Name System (DNS) • Records • Delegations • Iterative versus recursive

  8. Routing • Routing information protocol (RIP) • Open shortest path first (OSPF) • Border gateway protocol (BGP)

  9. IP multicast • Group management (IGMP) • Routing (PIM, MBGP) • Session Annoucement (MSDP)

  10. Other protocols • User datagram protocol (UDP) • Session initiation protocol (SIP) • Stream control transmission protocol (SCTP) • Simple network management protocol (SNMP) • Trivial file transfer protocol (TFTP) • IP security (IPsec) • Network time protocol (NTP) • syslog

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