[Ntp] IANA request language

[Watson Ladd <[e-mail]>]

OLD:

7.5.  NTP Extension Field Types Registry

   IANA is requested to allocate the following entries in the NTP
   Extension Field Types registry [RFC5905]:

Franke, et al.           Expires August 16, 2020               [Page 26]
Internet-Draft                   NTS4NTP                   February 2020

   +----------+-----------------------------+--------------------------+
   | Field    | Meaning                     | Reference                |
   | Type     |                             |                          |
   +----------+-----------------------------+--------------------------+
   | [[TBD2]] | Unique Identifier           | [[this memo]],           |
   |          |                             | Section 5.3              |
   | [[TBD3]] | NTS Cookie                  | [[this memo]], Section   |
   |          |                             | 5.4                      |
   | [[TBD4]] | NTS Cookie Placeholder      | [[this memo]],           |
   |          |                             | Section 5.5              |
   | [[TBD5]] | NTS Authenticator and       | [[this memo]], Section   |
   |          | Encrypted Extension Fields  | 5.6                      |
   +----------+-----------------------------+--------------------------+

   [[RFC EDITOR: Replace all instances of [[TBD2]], [[TBD3]], [[TBD4]],
   and [[TBD5]] in this document with the respective IANA assignments.

NEW: Add before [[RFC EDITOR]]

The NTP WG suggests that the following values be used
Unique Identifier = 0x0104;
NTS Cookie 0x0204;
Cookie Placeholder  = 0x0304;
NTS Authenticator = 0x0404;

Sincerely,
Watson