David Waitzman (1 April 1990). Standard for the transmission of IP datagrams on Avian Carriers. RFC 1149. (see IP over Avian Carriers)
Updated by RFC 2549; see below. Describes protocol for transmitting IP packets by homing pigeon.
In 2001, RFC 1149 was actually implemented[1] by members of the Bergen (Norway) Linux User Group.
See also RFC 6214, as noted below. Describes the adaptation of RFC 1149 for IPv6 .

D. Waitzman (1 April 1999). IP over Avian Carriers with Quality of Service. RFC 2549. Updates RFC 1149

B. Rajagopalan (1 April 2002). Electricity over IP. RFC 3251.

S. Bradner (1 April 2004). Omniscience Protocol Requirements. RFC 3751.

Jogi Hofmueller, Aaron Bachmann, IOhannes zmoelnig (1 April 2007). The Transmission of IP Datagrams over the Semaphore Flag Signaling System (SFSS). RFC 4824.

Реальные RFC! Некоторые даже были реально испытаны!