Licklider Transmission Protocol (LTP) Parameters
- Created
- 2008-07-17
- Last Updated
- 2022-10-25
- Available Formats
-

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Registries Included Below
LTP Extension Tags
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Unassigned
- Reference
- [RFC5326]
- Available Formats
-

CSV
| Extension Tag |
Meaning |
Reference |
| 0x00 |
LTP authentication extension |
[RFC5327] |
| 0x01 |
LTP cookie extension |
[RFC5327] |
| 0x02-0xAF |
Unassigned |
|
| 0xB0-0xBF |
Reserved |
[RFC5326] |
| 0xC0-0xFF |
Private/Experimental Use |
[RFC5326] |
LTP Ciphersuites
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Unassigned
- Reference
- [RFC5327]
- Available Formats
-

CSV
| Value |
Ciphersuite |
Reference |
| 0 |
HMAC-SHA1-80 |
[RFC5327] |
| 1 |
RSA-SHA256 |
[RFC5327] |
| 2-127 |
Unassigned |
|
| 128-191 |
Reserved |
[RFC5327] |
| 192-254 |
Private/Experimental Use |
[RFC5327] |
| 255 |
NULL |
[RFC5327] |
LTP Cancel Segment Reason Codes
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Unassigned
- Reference
- [RFC7116]
- Available Formats
-

CSV
| Value |
Description |
Reference |
| 0 |
Client service canceled session |
[RFC5326] |
| 1 |
Unreachable client service |
[RFC5326] |
| 2 |
Retransmission limit exceeded |
[RFC5326] |
| 3 |
Miscolored data received |
[RFC5326] |
| 4 |
System error caused termination |
[RFC5326] |
| 5 |
Retransmission limit exceeded |
[RFC5326] |
| 6-255 |
Unassigned |
|
LTP Engine Numbers
- Expert(s)
-
Unassigned
- Reference
- [RFC7116]
- Available Formats
-

CSV
| Range |
Registration Procedures |
| 1-16383 |
Expert Review |
| 268435456-4398046511103 |
First Come First Served for requests of up to 16384 values. Larger requests require Expert Review. |
| Value |
Description |
Reference |
| 0 |
Reserved |
[RFC7116] |
| 1-16383 |
Unassigned |
|
| 16384-2097151 |
Allocated to the Space Assigned Numbers Authority ([SANA])
for use by Consultative Committee for Space Data Systems (CCSDS) missions. |
[RFC7116] |
| 2097152-268435455 |
Reserved for Private or Experimental Use |
[RFC7116] |
| 268435456-268451839 |
Allocated to Spacely Packets, LLC to provide IPN/IP
Gateway services to private sector stakeholders. |
[Scott_Johnson] |
| 268451840-268468223 |
Allocated to SPATIAM CORPORATION to provide DTN services
for organizations. |
[Alberto_Montilla] |
| 268468224-4398046511103 |
Unassigned |
|
| >=4398046511104 |
Reserved |
[RFC7116] |
LTP Client Service Identifiers
- Registration Procedure(s)
-
Specification Required
- Expert(s)
-
Unassigned
- Reference
- [RFC7116]
- Available Formats
-

CSV
| Value |
Description |
Reference |
| 0 |
Reserved |
[RFC5326] |
| 1 |
Bundle Protocol |
[RFC7116] |
| 2 |
LTP Service Data Aggregation |
[RFC7116] |
| 3 |
CCSDS File Delivery Service |
[RFC7116] |
| 4-16383 |
Allocated to the Space Assigned Numbers Authority ([SANA])
for use by Consultative Committee for Space Data Systems (CCSDS) missions. |
[RFC7116] |
| 16384-32767 |
Reserved for Private or Experimental Use |
[RFC7116] |
| >=32768 |
Unassigned |
|
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