Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for the historical record.

   This document defines a Historic Document for the Internet community.  
   This document is a product of the Internet Engineering Task Force 
   (IETF).  It represents the consensus of the IETF community.  It has 
   received public review and has been approved for publication by the 
   Internet Engineering Steering Group (IESG).  Not all documents 
   approved by the IESG are a candidate for any level of Internet 
   Standard; see Section 2 of RFC 5741. 

   Information about the current status of this document, any errata, 
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc9999.
