Internet Assigned Numbers Authority
??Domains
??Protocols
??Numbers
??About
Bundle Protocol
Created
2011-03-24
Last Updated
2025-10-01
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 16-254 Unassigned
7 255 ACME Node ID Validation [RFC-ietf-acme-dtnnodeid-18]
7 256-64383 Unassigned
7 64384-64511 Reserved for Experimental Use [RFC9713]
7 64512-65535 Reserved for Private Use [RFC9713]
CBHE Node Numbers
Reference
[RFC7116][RFC9758]
Note
Renamed "'ipn' Scheme URI Default Allocator Node Numbers" and moved to [https://www.iana.org/assignments/uri-schemes] per [RFC9758].
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, extension registered 2025-10-01, expires 2026-11-12) [draft-ietf-dtn-bpsec-cose-09]
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
Presently we were in a very dark road, and at a point where it dropped suddenly between steep sides we halted in black shadow. A gleam of pale sand, a whisper of deep flowing waters, and a farther glimmer of more sands beyond them challenged our advance. We had come to a "grapevine ferry." The scow was on the other side, the water too shoal for the horses to swim, and the bottom, most likely, quicksand. Out of the blackness of the opposite shore came a soft, high-pitched, quavering, long-drawn, smothered moan of woe, the call of that snivelling little sinner the screech-owl. Ferry murmured to me to answer it and I sent the same faint horror-stricken tremolo back. Again it came to us, from not farther than one might toss his cap, and I followed Ferry down to the water's edge. The grapevine guy swayed at our side, we heard the scow slide from the sands, and in a few moments, moved by two videttes, it touched our shore. Soon we were across, the two videttes riding with us, and beyond a sharp rise, in an old opening made by the swoop of a hurricane, we entered the silent unlighted bivouac of Ferry's scouts. Ferry got down and sat on the earth talking with Quinn, while the sergeants quietly roused the sleepers to horse. Plotinus is driven by this perplexity to reconsider the whole theory of Matter.477 He takes Aristotle¡¯s doctrine as the groundwork of his investigation. According to this, all existence is divided into Matter and Form. What we know of things¡ªin other words, the sum of their differential characteristics¡ªis their Form. Take away this, and the unknowable residuum is their Matter. Again, Matter is the vague indeterminate something out of which particular Forms are developed. The two are related as Possibility to Actuality, as the more generic to the more specific substance through every grade of classification and composition. Thus there are two Matters, the one sensible and the other intelligible. The former constitutes the common substratum of bodies, the other the common element of ideas.478 The general distinction between Matter and Form was originally suggested to Aristotle by Plato¡¯s remarks on the same subject; but he differs325 from his master in two important particulars. Plato, in his Timaeus, seems to identify Matter with space.479 So far, it is a much more positive conception than the ?λη of the Metaphysics. On the other hand, he constantly opposes it to reality as something non-existent; and he at least implies that it is opposed to absolute good as a principle of absolute evil.480 Thus while the Aristotelian world is formed by the development of Power into Actuality, the Platonic world is composed by the union of Being and not-Being, of the Same and the Different, of the One and the Many, of the Limit and the Unlimited, of Good and Evil, in varying proportions with each other. The Lawton woman had heard of an officer's family at Grant, which was in need of a cook, and had gone there. [See larger version] On the 8th of July an extraordinary Privy Council was summoned. All the members, of whatever party, were desired to attend, and many were the speculations as to the object of their meeting. The general notion was that it involved the continuing or the ending of the war. It turned out to be for the announcement of the king's intended marriage. The lady selected was Charlotte, the second sister of the Duke of Mecklenburg-Strelitz. Apart from the narrowness of her education, the young princess had a considerable amount of amiability, good sense, and domestic taste. These she shared with her intended husband, and whilst they made the royal couple always retiring, at the same time they caused them to give, during their lives, a moral air to their court. On the 8th of September Charlotte arrived at St. James's, and that afternoon the marriage took place, the ceremony being performed by the Archbishop of Canterbury. On the 22nd the coronation took place with the greatest splendour. Mother and girls were inconsolable, for each had something that they were sure "Si would like," and would "do him good," but they knew Josiah Klegg, Sr., well enough to understand what was the condition when he had once made up his mind. CHAPTER V. THE YOUNG RECRUITS Si proceeded to deftly construct a litter out of the two guns, with some sticks that he cut with a knife, and bound with pawpaw strips. His voice had sunk very low, almost to sweetness. A soft flurry of pink went over her face, and her eyelids drooped. Then suddenly she braced herself, pulled herself taut, grew combative again, though her voice shook. HoME²Ô¾®Ïè̫ʲôÐÇ×ù
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