{"draft":"draft-fenner-iana-exp-2780-05","doc_id":"RFC4727","title":"Experimental Values In IPv4, IPv6, ICMPv4, ICMPv6, UDP, and TCP Headers","authors":["B. Fenner"],"format":["ASCII","HTML"],"page_count":"11","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"IETF - NON WORKING GROUP","abstract":"When experimenting with or extending protocols, it is often necessary\r\nto use some sort of protocol number or constant in order to actually\r\ntest or experiment with the new function, even when testing in a\r\nclosed environment.  This document reserves some ranges of numbers\r\nfor experimentation purposes in specific protocols where the need to\r\nsupport experimentation has been identified, and it describes the\r\nnumbers that have already been reserved by other documents.  [STANDARDS-TRACK]","pub_date":"November 2006","keywords":["[--------|p]"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC4727","errata_url":null}