Status of This Memo

   This document is not an Internet Standards Track specification; it is 
   published for informational purposes.

   This document is a product of the Internet Architecture Board (IAB) 
   and represents information that the IAB has deemed valuable to 
   provide for permanent record.  Documents approved for publication by 
   the IAB are not candidates 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.
