:Ref RFC/db/64

위키백과, 우리 모두의 백과사전.
RFC Status Reference Notes
6429 Obsolete M. Bashyam; M. Jethanandani; A. Ramaiah (December 2011). TCP Sender Clarification for Persist Condition. IETF. ISSN 2070-1721. RFC 6429. https://tools.ietf.org/html/rfc6429.  Obsoleted by RFC 9293.
6437 Proposed Standard S. Amante; B. Carpenter; S. Jiang; J. Rajahalme (November 2011). IPv6 Flow Label Specification. IETF. ISSN 2070-1721. RFC 6437. https://tools.ietf.org/html/rfc6437.  Obsoletes RFC 3697. Updates RFC 2205 and 2460.
6441 Best Common Practice L. Vegoda (November 2011). Time to Remove Filters for Previously Unallocated IPv4 /8s. IETF. ISSN 2070-1721. BCP 171. RFC 6441. https://tools.ietf.org/html/rfc6441.