Internet Assigned Numbers Authority Bundle Protocol Created 2011-03-24 Last Updated 2025-01-21 Available Formats [IMG] XML [IMG] HTML [IMG] Plain text Registries included below • Bundle Block Types • Primary Bundle Protocol Version • Bundle Processing Control Flags • Block Processing Control Flags • Bundle Status Report Flags • Bundle Status Report Reason Codes • Bundle Custody Signal Reason Codes • Bundle Metadata Type Codes • Ciphersuite Numbers • Ciphersuite Flags • Ciphersuite Parameters and Results Type Registry • Bundle Administrative Record Types • CBHE Node Numbers • CBHE Service Numbers • Bundle Protocol TCP Convergence-Layer Version Numbers • Bundle Protocol TCP Convergence-Layer Message Types • Bundle Protocol TCP Convergence-Layer REFUSE_BUNDLE Reason Codes • Bundle Protocol TCP Convergence-Layer SHUTDOWN Reason Codes • Bundle Protocol TCP Convergence-Layer Version 4 Session Extension Types • Bundle Protocol TCP Convergence-Layer Version 4 Transfer Extension Types • Bundle Protocol TCP Convergence-Layer Version 4 Message Types • Bundle Protocol TCP Convergence-Layer Version 4 XFER_REFUSE Reason Codes • Bundle Protocol TCP Convergence-Layer Version 4 SESS_TERM Reason Codes • Bundle Protocol TCP Convergence-Layer Version 4 MSG_REJECT Reason Codes • Bundle Protocol URI Scheme Types • BPSec Security Context Identifiers • BPSec BIB-HMAC-SHA2 Integrity Scope Flags • BPSec BCB-AES-GCM AAD Scope Flags Bundle Block Types Registration Procedure(s) Specification Required Expert(s) Scott Burleigh, Fred Templin Reference [RFC6255][RFC9171] Available Formats [IMG] CSV Bundle Protocol Version Value Description Reference none 0 Reserved [RFC6255] 6,7 1 Bundle Payload Block [RFC5050][RFC9171] 6 2 Bundle Authentication Block [RFC6257] 6 3 Payload Integrity Block [RFC6257] 6 4 Payload Confidentiality Block [RFC6257] 6 5 Previous-Hop Insertion Block [RFC6259] 7 6 Previous node (proximate sender) [RFC9171] 7 7 Bundle age (in milliseconds) [RFC9171] 6 8 Metadata Extension Block [RFC6258] 6 9 Extension Security Block [RFC6257] 7 10 Hop count (#prior xmit attempts) [RFC9171] 7 11 Block Integrity [RFC9172] 7 12 Block Confidentiality [RFC9172] 7 13-191 Unassigned 6,7 192-255 Reserved for Private and/or Experimental Use [RFC5050][RFC9171] Primary Bundle Protocol Version Registration Procedure(s) RFC Required Reference [RFC6255] Available Formats [IMG] CSV Value Description Reference 0-5 Reserved [RFC6255] 6 Assigned [RFC5050] 7 Assigned [RFC9171] 8-255 Unassigned Bundle Processing Control Flags Registration Procedure(s) Specification Required Expert(s) Scott Burleigh, Fred Templin Reference [RFC6255][RFC9171] Available Formats [IMG] CSV Bundle Protocol Version Bit Position (right to left) Description Reference 6,7 0 Bundle is a fragment [RFC5050][RFC9171] 6,7 1 ADU is an administrative record [RFC5050][RFC9171] 6,7 2 Bundle must not be fragmented [RFC5050][RFC9171] 6 3 Custody transfer is requested [RFC5050] 6 4 Destination endpoint is a singleton [RFC5050] 6,7 5 Acknowledgement by application is requested [RFC5050][RFC9171] 7 6 Status time requested in reports [RFC9171] 6 7-8 Class of service: priority [RFC5050] 6 9-13 Class of service: reserved [RFC5050] 6,7 14 Request reporting of bundle reception [RFC5050][RFC9171] 6 15 Request reporting of custody acceptance [RFC5050] 6,7 16 Request reporting of bundle forwarding [RFC5050][RFC9171] 6,7 17 Request reporting of bundle delivery [RFC5050][RFC9171] 6,7 18 Request reporting of bundle deletion [RFC5050][RFC9171] 6,7 19 Reserved [RFC5050][RFC9171] 6,7 20 Reserved [RFC5050][RFC9171] 21-63 Unassigned Block Processing Control Flags Registration Procedure(s) Specification Required Expert(s) Scott Burleigh, Fred Templin Reference [RFC6255][RFC9171] Available Formats [IMG] CSV Bundle Protocol Version Bit Position (right to left) Description Reference 6,7 0 Block must be replicated in every fragment [RFC5050][RFC9171] 6,7 1 Transmit status report if block can't be processed [RFC5050][RFC9171] 6,7 2 Delete bundle if block can't be processed [RFC5050][RFC9171] 6 3 Last block [RFC5050] 6,7 4 Discard block if it can't be processed [RFC5050][RFC9171] 6 5 Block was forwarded without being processed [RFC5050] 6 6 Block contains an EID-reference field [RFC5050] 7-63 Unassigned Bundle Status Report Flags Registration Procedure(s) RFC Required Reference [RFC6255] Available Formats [IMG] CSV Value Description Reference 00000000 Reserved [RFC6255] 00000001 Reporting node received bundle [RFC5050] 00000010 Reporting node accepted custody of bundle [RFC5050] 00000100 Reporting node forwarded the bundle [RFC5050] 00001000 Reporting node delivered the bundle [RFC5050] 00010000 Reporting node deleted the bundle [RFC5050] 00100000 Unassigned 01000000 Unassigned 10000000 Unassigned Bundle Status Report Reason Codes Registration Procedure(s) Specification Required Expert(s) Scott Burleigh, Fred Templin Reference [RFC6255][RFC9171] Available Formats [IMG] CSV Bundle Protocol Version Value Description Reference 6,7 0 No additional information [RFC5050][RFC9171] 6,7 1 Lifetime expired [RFC5050][RFC9171] 6,7 2 Forwarded over unidirectional link [RFC5050][RFC9171] 6,7 3 Transmission canceled [RFC5050][RFC9171] 6,7 4 Depleted storage [RFC5050][RFC9171] 6,7 5 Destination endpoint ID unavailable [RFC5050][RFC9171] 6,7 6 No known route to destination from here [RFC5050][RFC9171] 6,7 7 No timely contact with next node on route [RFC5050][RFC9171] 6,7 8 Block unintelligible [RFC5050][RFC9171] 7 9 Hop limit exceeded [RFC9171] 7 10 Traffic pared [RFC9171] 7 11 Block unsupported [RFC9171] 7 12 Missing security operation [RFC9172] 7 13 Unknown security operation [RFC9172] 7 14 Unexpected security operation [RFC9172] 7 15 Failed security operation [RFC9172] 7 16 Conflicting security operation [RFC9172] 17-254 Unassigned 6,7 255 Reserved [RFC6255][RFC9171] Bundle Custody Signal Reason Codes Registration Procedure(s) Specification Required Expert(s) Scott Burleigh, Fred Templin Reference [RFC6255] Available Formats [IMG] CSV Value Description Reference 0 No additional information [RFC5050] 1-2 Unassigned 3 Redundant reception (reception by a node that is a custodial node for this bundle) [RFC5050] 4 Depleted storage [RFC5050] 5 Destination endpoint ID unintelligible [RFC5050] 6 No known route to destination from here [RFC5050] 7 No timely contact with next node on route [RFC5050] 8 Block unintelligible [RFC5050] 9-126 Unassigned 127 Reserved [RFC6255] Bundle Metadata Type Codes Registration Procedure(s) Specification Required Expert(s) Rick Taylor Reference [RFC6258] Available Formats [IMG] CSV Value Description Reference 0 Reserved [RFC6258] 1 URI [RFC6258] 2-191 Unassigned 192-255 Private and/or Experimental Use [RFC6258] Ciphersuite Numbers Registration Procedure(s) Specification Required Expert(s) Stephen Farrell, Edward Birrane Reference [RFC6257] Available Formats [IMG] CSV Value Description Reference 0 Unassigned 1 BAB-HMAC [RFC6257] 2 PIB-RSA-SHA256 [RFC6257] 3 PCB-RSA-AES128-PAYLOAD-PIB-PCB [RFC6257] 4 ESB-RSA-AES128-EXT [RFC6257] values greater than 4 Reserved [RFC6257] Ciphersuite Flags Registration Procedure(s) Specification Required Expert(s) Stephen Farrell, Edward Birrane Reference [RFC6257] Available Formats [IMG] CSV Bit Position (right to left) Description Reference 0 Block contains results [RFC6257] 1 Block contains correlator [RFC6257] 2 Block contains parameters [RFC6257] 3 Destination EIDref present [RFC6257] 4 Source EIDref present [RFC6257] values greater than 4 Reserved [RFC6257] Ciphersuite Parameters and Results Type Registry Registration Procedure(s) Specification Required Expert(s) Stephen Farrell, Edward Birrane Reference [RFC6257] Available Formats [IMG] CSV Value Description Reference 0 Reserved [RFC6257] 1 initialization vector (IV) [RFC6257] 2 reserved [RFC6257] 3 key-information [RFC6257] 4 fragment-range (pair of SDNVs) [RFC6257] 5 integrity signature [RFC6257] 6 unassigned 7 salt [RFC6257] 8 PCB integrity check value (ICV) [RFC6257] 9 reserved [RFC6257] 10 encapsulated block [RFC6257] 11 block type of encapsulated block [RFC6257] 12-191 reserved [RFC6257] 192-250 private use [RFC6257] 251-255 reserved [RFC6257] Bundle Administrative Record Types Registration Procedure(s) Specification Required Expert(s) Marc Blanchet, Keith Scott Reference [RFC7116][RFC9713] Available Formats [IMG] CSV Bundle Protocol Version Value Description Reference 6,7 0 Reserved [RFC7116][RFC9713] 6,7 1 Bundle status report [RFC5050][RFC9171] 6 2 Custody signal [RFC5050] 3 Unassigned 6 4 Aggregate Custody Signal [CCSDS-BP] 5-15 Unassigned 7 16-64383 Unassigned 7 64384-64511 Reserved for Experimental Use [RFC9713] 7 64512-65535 Reserved for Private Use [RFC9713] CBHE Node Numbers Reference [RFC7116][RFC-ietf-dtn-ipn-update-14] Note Renamed "'ipn' Scheme URI Default Allocator Node Numbers" and moved to [https://www.iana.org/assignments/uri-schemes] per [RFC-ietf-dtn-ipn-update-14]. Value Description Reference No registrations at this time. CBHE Service Numbers Expert(s) Marc Blanchet, Keith Scott Reference [RFC7116] Available Formats [IMG] CSV Range Registration Procedures 0-63 Specification Required 1024-65535 Specification Required Value Description Reference 0 Bundle Protocol Administrative Record [RFC6260] 1 CCSDS File Delivery Service [CCSDS 727.0-B-4] 2 Reserved [RFC7116] 3-63 Unassigned 64-1023 Allocated to the Space Assigned Numbers Authority (SANA) for use by Consultative Committee for Space Data Systems [RFC7116] (CCSDS) missions. 1024-65535 Unassigned >=65535 Reserved for Private or Experimental Use [RFC7116] Bundle Protocol TCP Convergence-Layer Version Numbers Registration Procedure(s) RFC Required Reference [RFC7242] Available Formats [IMG] CSV Value Description Reference 0 Reserved [RFC7242] 1 Reserved [RFC7242] 2 Reserved [RFC7242] 3 TCPCL [RFC7242] 4 TCPCLv4 [RFC9174] 5-255 Unassigned Bundle Protocol TCP Convergence-Layer Message Types Registration Procedure(s) RFC Required Reference [RFC7242] Available Formats [IMG] CSV Type Code Description Reference 0x0 Reserved [RFC7242] DATA_SEGMENT 0x1 Indicates the transmission of a segment of bundle data, as described in Section 5.2. [RFC7242] ACK_SEGMENT 0x2 Acknowledges reception of a data segment, as described in Section 5.3. [RFC7242] REFUSE_BUNDLE 0x3 Indicates that the transmission of the current bundle shall be stopped, as described in Section 5.4. [RFC7242] KEEPALIVE 0x4 KEEPALIVE message for the connection, as described in Section 5.6. [RFC7242] SHUTDOWN 0x5 Indicates that one of the nodes participating in the connection wishes to cleanly terminate the connection, as [RFC7242] described in Section 6. LENGTH 0x6 Contains the length (in bytes) of the next bundle, as described in Section 5.5. [RFC7242] 0x7-0xf Unassigned Bundle Protocol TCP Convergence-Layer REFUSE_BUNDLE Reason Codes Registration Procedure(s) RFC Required Reference [RFC7242] Available Formats [IMG] CSV RCode Semantics Reference 0x0 Reason for refusal is unknown or not specified. [RFC7242] 0x1 The receiver now has the complete bundle. The sender may now consider the bundle as completely received. [RFC7242] 0x2 The receiver's resources are exhausted. The sender SHOULD apply reactive bundle fragmentation before retrying. [RFC7242] 0x3 The receiver has encountered a problem that requires the bundle to be retransmitted in its entirety. [RFC7242] 0x4-0x7 Unassigned 0x8-0xf Reserved for future usage. [RFC7242] Bundle Protocol TCP Convergence-Layer SHUTDOWN Reason Codes Registration Procedure(s) RFC Required Reference [RFC7242] Available Formats [IMG] CSV Code Meaning Description Reference 0x00 Idle timeout The connection is being closed due to idleness. [RFC7242] 0x01 Version mismatch The node cannot conform to the specified TCPCL protocol version. [RFC7242] 0x02 Busy The node is too busy to handle the current connection. [RFC7242] 0x03-0xff Unassigned Bundle Protocol TCP Convergence-Layer Version 4 Session Extension Types Registration Procedure(s) Expert Review Expert(s) Brian Sipos, Rick Taylor Reference [RFC9174] Available Formats [IMG] CSV Code Session Extension Type Reference 0x0000 Reserved [RFC9174] 0x0001-0x7FFF Unassigned 0x8000-0xFFFF Reserved for Private or Experimental Use [RFC9174] Bundle Protocol TCP Convergence-Layer Version 4 Transfer Extension Types Registration Procedure(s) Expert Review Expert(s) Brian Sipos, Rick Taylor Reference [RFC9174] Available Formats [IMG] CSV Code Transfer Extension Type Reference 0x0000 Reserved [RFC9174] 0x0001 Transfer Length Extension [RFC9174] 0x0002-0x7FFF Unassigned 0x8000-0xFFFF Reserved for Private or Experimental Use [RFC9174] Bundle Protocol TCP Convergence-Layer Version 4 Message Types Registration Procedure(s) RFC Required Reference [RFC9174] Available Formats [IMG] CSV Code Message Type Reference 0x00 Reserved [RFC9174] 0x01 XFER_SEGMENT [RFC9174] 0x02 XFER_ACK [RFC9174] 0x03 XFER_REFUSE [RFC9174] 0x04 KEEPALIVE [RFC9174] 0x05 SESS_TERM [RFC9174] 0x06 MSG_REJECT [RFC9174] 0x07 SESS_INIT [RFC9174] 0x08-0xEF Unassigned 0xF0-0xFF Reserved for Private or Experimental Use [RFC9174] Bundle Protocol TCP Convergence-Layer Version 4 XFER_REFUSE Reason Codes Registration Procedure(s) Specification Required Expert(s) Brian Sipos, Rick Taylor Reference [RFC9174] Available Formats [IMG] CSV Code Refusal Reason Reference 0x00 Unknown [RFC9174] 0x01 Completed [RFC9174] 0x02 No Resources [RFC9174] 0x03 Retransmit [RFC9174] 0x04 Not Acceptable [RFC9174] 0x05 Extension Failure [RFC9174] 0x06 Session Terminating [RFC9174] 0x07-0xEF Unassigned 0xF0-0xFF Reserved for Private or Experimental Use [RFC9174] Bundle Protocol TCP Convergence-Layer Version 4 SESS_TERM Reason Codes Registration Procedure(s) Specification Required Expert(s) Brian Sipos, Rick Taylor Reference [RFC9174] Available Formats [IMG] CSV Code Termination Reason Reference 0x00 Unknown [RFC9174] 0x01 Idle timeout [RFC9174] 0x02 Version mismatch [RFC9174] 0x03 Busy [RFC9174] 0x04 Contact Failure [RFC9174] 0x05 Resource Exhaustion [RFC9174] 0x06-0xEF Unassigned 0xF0-0xFF Reserved for Private or Experimental Use [RFC9174] Bundle Protocol TCP Convergence-Layer Version 4 MSG_REJECT Reason Codes Registration Procedure(s) Specification Required Expert(s) Brian Sipos, Rick Taylor Reference [RFC9174] Available Formats [IMG] CSV Code Rejection Reason Reference 0x00 Reserved [RFC9174] 0x01 Message Type Unknown [RFC9174] 0x02 Message Unsupported [RFC9174] 0x03 Message Unexpected [RFC9174] 0x04-0xEF Unassigned 0xF0-0xFF Reserved for Private or Experimental Use [RFC9174] Bundle Protocol URI Scheme Types Registration Procedure(s) Standards Action Reference [RFC9171] Available Formats [IMG] CSV Value Description BP Utilization Reference URI Definition Reference 0 Reserved n/a 1 dtn [RFC9171] [RFC9171] 2 ipn [RFC9171] [RFC6260][RFC9171] 3-254 Unassigned n/a 255-65535 Reserved n/a >65535 Reserved for Private Use n/a BPSec Security Context Identifiers Registration Procedure(s) Specification Required Expert(s) Ken McKeever, Edward Birrane Reference [RFC9172] Available Formats [IMG] CSV Value Description Reference -32768 to -1 Reserved [RFC9172] 0 Reserved [RFC9172] 1 BIB-HMAC-SHA2 [RFC9173] 2 BCB-AES-GCM [RFC9173] 3 COSE (TEMPORARY - registered 2024-11-12, expires 2025-11-12) [draft-ietf-dtn-bpsec-cose-04] 4-32767 Unassigned BPSec BIB-HMAC-SHA2 Integrity Scope Flags Registration Procedure(s) Specification Required Expert(s) Ken McKeever, Edward Birrane Reference [RFC9173] Available Formats [IMG] CSV Bit Position (right to left) Description Reference 0 Include primary block flag [RFC9173] 1 Include target header flag [RFC9173] 2 Include security header flag [RFC9173] 3-7 Reserved [RFC9173] 8-15 Unassigned BPSec BCB-AES-GCM AAD Scope Flags Registration Procedure(s) Specification Required Expert(s) Ken McKeever, Edward Birrane Reference [RFC9173] Available Formats [IMG] CSV Bit Position (right to left) Description Reference 0 Include primary block flag [RFC9173] 1 Include target header flag [RFC9173] 2 Include security header flag [RFC9173] 3-7 Reserved [RFC9173] 8-15 Unassigned Licensing Terms