2008-07-17 2022-10-25 Specification Required Unassigned 0x00 LTP authentication extension 0x01 LTP cookie extension 0x02-0xAF Unassigned 0xB0-0xBF Reserved 0xC0-0xFF Private/Experimental Use Specification Required Unassigned 0 HMAC-SHA1-80 1 RSA-SHA256 2-127 Unassigned 128-191 Reserved 192-254 Private/Experimental Use 255 NULL Specification Required Unassigned 0 Client service canceled session 1 Unreachable client service 2 Retransmission limit exceeded 3 Miscolored data received 4 System error caused termination 5 Retransmission limit exceeded 6-255 Unassigned Unassigned 1-16383 Expert Review 268435456-4398046511103 First Come First Served for requests of up to 16384 values. Larger requests require Expert Review. 0 Reserved 1-16383 Unassigned 16384-2097151 Allocated to the Space Assigned Numbers Authority (SANA) for use by Consultative Committee for Space Data Systems (CCSDS) missions. 2097152-268435455 Reserved for Private or Experimental Use 268435456-268451839 Allocated to Spacely Packets, LLC to provide IPN/IP Gateway services to private sector stakeholders. 268451840-268468223 Allocated to SPATIAM CORPORATION to provide DTN services for organizations. 268468224-4398046511103 Unassigned >=4398046511104 Reserved Specification Required Unassigned 0 Reserved 1 Bundle Protocol 2 LTP Service Data Aggregation 3 CCSDS File Delivery Service 4-16383 Allocated to the Space Assigned Numbers Authority (SANA) for use by Consultative Committee for Space Data Systems (CCSDS) missions. 16384-32767 Reserved for Private or Experimental Use >=32768 Unassigned Alberto Montilla mailto:a.montilla&spatiam.com 2022-10-25 Scott Johnson mailto:scott&solarnetone.org 2022-10-14