in Section 4 of [RFC 8972] provides a flexible
extension mechanism for optional informational elements.

The TLV Format in a STAMP Test packet is reported below::

     0                   1                   2                   3
     0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
    |STAMP TLV Flags|     Type      |           Length              |
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
    ~                            Value                              ~
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+


+-------+---------+-------------------------------------------------+
| Field           | Description                                     |
+-----------------+-------------------------------------------------+
| STAMP TLV Flags | 8-bit field; for the details about the STAMP    |
|                 | TLV Flags Format, see RFC 8972                  |
+-----------------+-------------------------------------------------+
| Type            | characterizes the interpretation of the Value   |
|                 | field                                           |
+-----------------+-------------------------------------------------+
| Length          | the length of the Value field in octets         |
+-----------------+-------------------------------------------------+
| Value           | interpreted according to the value of the Type  |
|                 | field                                           |
+-----------------+-------------------------------------------------+


References:
    * `Simple Two-Way Active Measurement Protocol Optional Extensions
      [RFC 8972] <https://www.rfc-editor.org/rfc/rfc8972.html>`_
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