RFC or Request for Comments is a publication in a series from the principal technical development and standards-setting bodies for the Internet. It contains technical specifications and organizational for Internet and TCP/IP. It is produced by Internet Engineering Task Force or (IETF). Those members of Internet Society (ISOC) can submit RFCs for consideration.
5 Classifications of RFC which is reviewed by different technical groups.
- Required
- Recommended
- Elective
- Limited Use
- Not Recommended
3 Stages of Development or maturity levels based on RFC 1310
| Standard Tracks | |
| Proposed Standard | stable, well understood, received significant community review |
| Draft Standard | well-understood, quite known stable but require additional field experience |
| Internet Standard | technically matured, widely implemented and beneficial to Internet community |
Here are the must read Request for Comments (RFC) that Network Engineers should know related to Internet, Networking and different protocols in Information Technology.
| Protocols | RFC | Description | More Details |
| IP | RFC 791 | Internet Protocol | https://datatracker.ietf.org/doc/html/rfc791 |
| IP | RFC 950 | Internet Standard Subnetting Procedure | https://datatracker.ietf.org/doc/html/rfc950 |
| IP | RFC 1518 | An Architecture for IP Address Allocation with CIDR | https://datatracker.ietf.org/doc/html/rfc1518 |
| IP | RFC 1812 | Requirements for IP Version 4 Routers | https://datatracker.ietf.org/doc/html/rfc1812 |
| IP | RFC 1918 | Address Allocation for Private Internets | https://datatracker.ietf.org/doc/html/rfc1918 |
| IPv6 | RFC 2460 | Internet Protocol, Version 6 (IPv6) Specification | https://datatracker.ietf.org/doc/html/rfc2460 |
| ICMP | RFC 792 | Internet Control Message Protocol | https://datatracker.ietf.org/doc/html/rfc792 |
| ARP | RFC 826 | An Ethernet Address Resolution Protocol | https://datatracker.ietf.org/doc/html/rfc826 |
| TCP | RFC 793 | Transmission Control Protocol | https://datatracker.ietf.org/doc/html/rfc793 |
| TCP | RFC 5681 | TCP Congestion Control | https://datatracker.ietf.org/doc/html/rfc5681 |
| UDP | RFC 768 | User Datagram Protocol | https://datatracker.ietf.org/doc/html/rfc768 |
| DHCP | RFC 2131 | Dynamic Host Configuration Protocol | https://datatracker.ietf.org/doc/html/rfc2131 |
| OSPFv2 | RFC 2328 | OSPF Version 2 | https://datatracker.ietf.org/doc/html/rfc2328 |
| BGP | RFC 2471 | A Border Gateway Protocol 4 (BGP-4) | https://datatracker.ietf.org/doc/html/rfc4271 |
| SMTP | RFC 821 | Simple Mail Transfer Protocol | https://datatracker.ietf.org/doc/html/rfc821 |
| POP3 | RFC 1939 | Post Office Protocol v3 | https://datatracker.ietf.org/doc/html/rfc1939 |
| SNMP | RFC 1157 | Simple Network Management Protocol | https://datatracker.ietf.org/doc/html/rfc1157 |
| IGMP | RFC 1112 | Host Extensions for IP Multicasting | https://datatracker.ietf.org/doc/html/rfc1112 |
| DNS | RFC 1034 | Domain Names – Concepts and Facilities | https://datatracker.ietf.org/doc/html/rfc1034 |
| DNS | RFC 1912 | Common DNS Operational and Configuration Error | https://datatracker.ietf.org/doc/html/rfc1912 |
| RFC 1925 | The Twelve Networking Truths | https://datatracker.ietf.org/doc/html/rfc1925 | |
| RFC 2544 | Benchmarking Methodology for Network Interconnect Devices | https://datatracker.ietf.org/doc/html/rfc2544 | |
| RFC 2622 | Routing Policy Specification Language (RPSL) | https://datatracker.ietf.org/doc/html/rfc2622 | |
| RFC 2822 | Internet Message Format | https://datatracker.ietf.org/doc/html/rfc2822 | |
| RFC 3339 | Date and Time on the Internet: Timestamps | https://datatracker.ietf.org/doc/html/rfc3339 |
Some popular April Fool’s Day RFC
| RFC | Description | More Details |
| RFC 1149 | A Standard for the Transmission of IP Datagrams on Avian Carriers | https://datatracker.ietf.org/doc/html/rfc1149 |
| RFC 2549 | IP over Avian Carriers with Quality of Service | https://datatracker.ietf.org/doc/html/rfc2549 |
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