types.rst

.. _types:

Type value assignment
---------------------

+---------------------------------------------+-------------------+----------------+
| Type                                        | Assigned value    | Assigned value |
|                                             | (decimal)         | (hexadecimal)  |
+=============================================+===================+================+
|                      **Packet types**                                            |
+---------------------------------------------+-------------------+----------------+
| Interest                                    | 5                 | 0x05           |
+---------------------------------------------+-------------------+----------------+
| Data                                        | 6                 | 0x06           |
+---------------------------------------------+-------------------+----------------+
|                      **Common fields**                                           |
+---------------------------------------------+-------------------+----------------+
| Name                                        | 7                 | 0x07           |
+---------------------------------------------+-------------------+----------------+
| NameComponent                               | 8                 | 0x08           |
+---------------------------------------------+-------------------+----------------+
| ImplicitSha256DigestComponent               | 1                 | 0x01           |
+---------------------------------------------+-------------------+----------------+
|                     **Interest packet**                                          |
+---------------------------------------------+-------------------+----------------+
| Selectors                                   | 9                 | 0x09           |
+---------------------------------------------+-------------------+----------------+
| Nonce                                       | 10                | 0x0a           |
+---------------------------------------------+-------------------+----------------+
| InterestLifetime                            | 12                | 0x0c           |
+---------------------------------------------+-------------------+----------------+
|                   **Interest/Selectors**                                         |
+---------------------------------------------+-------------------+----------------+
| MinSuffixComponents                         | 13                | 0x0d           |
+---------------------------------------------+-------------------+----------------+
| MaxSuffixComponents                         | 14                | 0x0e           |
+---------------------------------------------+-------------------+----------------+
| PublisherPublicKeyLocator                   | 15                | 0x0f           |
+---------------------------------------------+-------------------+----------------+
| Exclude                                     | 16                | 0x10           |
+---------------------------------------------+-------------------+----------------+
| ChildSelector                               | 17                | 0x11           |
+---------------------------------------------+-------------------+----------------+
| MustBeFresh                                 | 18                | 0x12           |
+---------------------------------------------+-------------------+----------------+
| Any                                         | 19                | 0x13           |
+---------------------------------------------+-------------------+----------------+
|                      **Data packet**                                             |
+---------------------------------------------+-------------------+----------------+
| MetaInfo                                    | 20                | 0x14           |
+---------------------------------------------+-------------------+----------------+
| Content                                     | 21                | 0x15           |
+---------------------------------------------+-------------------+----------------+
| SignatureInfo                               | 22                | 0x16           |
+---------------------------------------------+-------------------+----------------+
| SignatureValue                              | 23                | 0x17           |
+---------------------------------------------+-------------------+----------------+
|                      **Data/MetaInfo**                                           |
+---------------------------------------------+-------------------+----------------+
| ContentType                                 | 24                | 0x18           |
+---------------------------------------------+-------------------+----------------+
| FreshnessPeriod                             | 25                | 0x19           |
+---------------------------------------------+-------------------+----------------+
| FinalBlockId                                | 26                | 0x1a           |
+---------------------------------------------+-------------------+----------------+
|                     **Data/Signature**                                           |
+---------------------------------------------+-------------------+----------------+
| SignatureType                               | 27                | 0x1b           |
+---------------------------------------------+-------------------+----------------+
| KeyLocator                                  | 28                | 0x1c           |
+---------------------------------------------+-------------------+----------------+
| KeyDigest                                   | 29                | 0x1d           |
+---------------------------------------------+-------------------+----------------+

.. _type reservations:

Type value reservations
~~~~~~~~~~~~~~~~~~~~~~~

+----------------+-----------------------------------------------------------+
| Values         | Designation                                               |
+================+===========================================================+
| 0, 2-4, 30-79  | Reserved for future assignments (1-byte encoding)         |
+----------------+-----------------------------------------------------------+
| 11             | Reserved, formerly `Scope`                                |
+----------------+-----------------------------------------------------------+
| 80-100         | Reserved for assignments related to local link data       |
|                | processing, e.g., `NDNLP header`_, `LocalControlHeader`_, |
|                | etc. (1-byte encoding)                                    |
+----------------+-----------------------------------------------------------+
| 101-127        | Reserved for assignments related to forwarding daemon     |
|                | (1-byte encoding)                                         |
+----------------+-----------------------------------------------------------+
| 128-252        | For application use (1-byte encoding)                     |
+----------------+-----------------------------------------------------------+
| 253-32767      | Reserved for future assignments (3-byte encoding)         |
+----------------+-----------------------------------------------------------+
| >32767         | For application use (3+-byte encoding)                    |
+----------------+-----------------------------------------------------------+

.. _NDNLP header: http://redmine.named-data.net/projects/nfd/wiki/NDNLP-TLV

.. _LocalControlHeader: http://redmine.named-data.net/projects/nfd/wiki/LocalControlHeader