[Int-area] FW: RFC 4727 on Experimental Values In IPv4, IPv6, ICMPv4, ICMPv6, UDP, and TCP Headers

> A new Request for Comments is now available in online RFC libraries.
>
>         
>         RFC 4727
>
>         Title:      Experimental Values In IPv4, IPv6, 
>                     ICMPv4, ICMPv6, UDP, and TCP Headers 
>         Author:     B. Fenner
>         Status:     Standards Track
>         Date:       November 2006
>         Mailbox:    fenner@research.att.com
>         Pages:      11
>         Characters: 19745
>         Updates/Obsoletes/SeeAlso:   None
>
>         I-D Tag:    draft-fenner-iana-exp-2780-05.txt
>
>         URL:        http://www.rfc-editor.org/rfc/rfc4727.txt
>
> When experimenting with or extending protocols, it is often necessary
> to use some sort of protocol number or constant in order to actually
> test or experiment with the new function, even when testing in a
> closed environment.  This document reserves some ranges of numbers
> for experimentation purposes in specific protocols where the need to
> support experimentation has been identified, and it describes the
> numbers that have already been reserved by other documents.  
> [STANDARDS TRACK]
>
> This is now a Proposed Standard Protocol.
>
> STANDARDS TRACK: This document specifies an Internet standards track
> protocol for the Internet community,and requests discussion and 
> suggestions for improvements.Please refer to the current edition of the 
> Internet Official Protocol Standards (STD 1) for the standardization 
> state and status of this protocol.  Distribution of this memo is 
> unlimited.
>
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