RFC Status Reference Notes
1605 Informational W. Shakespeare (1 April 1994). SONET to Sonnet Translation. Network Working Group. doi:10.17487/RFC1605. RFC 1605. This is an April Fools' Day Request for Comments.
1606 Informational J. Onions (1 April 1994). A Historical Perspective On The Usage Of IP Version 9. Network Working Group. doi:10.17487/RFC1606. RFC 1606. This is an April Fools' Day Request for Comments.
1607 Informational V. Cerf (1 April 1994). A VIEW FROM THE 21ST CENTURY. Network Working Group. doi:10.17487/RFC1607. RFC 1607. This is an April Fools' Day Request for Comments.
1621 Historical P. Francis (May 1994). Pip Near-term Architecture. Network Working Group. doi:10.17487/RFC1621. RFC 1621.
1624 Informational A. Rijsinghani, ed. (May 1994). Computation of the Internet Checksum via Incremental Update. Network Working Group. doi:10.17487/RFC1624. RFC 1624. Updates RFC 1141.
1644 Obsolete R. Braden (July 1994). T/TCP -- TCP Extensions for Transactions - Functional Specification. Network Working Group. doi:10.17487/RFC1644. RFC 1644. Obsoleted by RFC 6247.
1647 Obsolete B. Kelly (July 1994). TN3270 Enhancements. Network Working Group. doi:10.17487/RFC1647. RFC 1647. Obsoleted by RFC 2355.