TLV Type Registry¶
Assigned numbers¶
Type |
Assigned number (decimal) |
Assigned number (hexadecimal) |
|---|---|---|
Packet types |
||
Interest |
5 |
0x05 |
Data |
6 |
0x06 |
Common fields |
||
Name |
7 |
0x07 |
GenericNameComponent |
8 |
0x08 |
ImplicitSha256DigestComponent |
1 |
0x01 |
ParametersSha256DigestComponent |
2 |
0x02 |
KeywordNameComponent |
32 (non-critical) |
0x20 |
SegmentNameComponent |
50 (non-critical) |
0x32 |
ByteOffsetNameComponent |
52 (non-critical) |
0x34 |
VersionNameComponent |
54 (non-critical) |
0x36 |
TimestampNameComponent |
56 (non-critical) |
0x38 |
SequenceNumNameComponent |
58 (non-critical) |
0x3a |
Interest packet |
||
CanBePrefix |
33 |
0x21 |
MustBeFresh |
18 |
0x12 |
ForwardingHint |
30 |
0x1e |
Nonce |
10 |
0x0a |
InterestLifetime |
12 |
0x0c |
HopLimit |
34 (non-critical) |
0x22 |
ApplicationParameters |
36 (non-critical) |
0x24 |
InterestSignatureInfo |
44 (non-critical) |
0x2c |
InterestSignatureValue |
46 (non-critical) |
0x2e |
Data packet |
||
MetaInfo |
20 |
0x14 |
Content |
21 |
0x15 |
SignatureInfo |
22 |
0x16 |
SignatureValue |
23 |
0x17 |
MetaInfo |
||
ContentType |
24 |
0x18 |
FreshnessPeriod |
25 |
0x19 |
FinalBlockId |
26 |
0x1a |
Signature |
||
SignatureType |
27 |
0x1b |
KeyLocator |
28 |
0x1c |
KeyDigest |
29 |
0x1d |
SignatureNonce |
38 (non-critical) |
0x26 |
SignatureTime |
40 (non-critical) |
0x28 |
SignatureSeqNum |
42 (non-critical) |
0x2a |
Certificate |
||
ValidityPeriod |
253 |
0xfd |
NotBefore |
254 |
0xfe |
NotAfter |
255 |
0xff |
AdditionalDescription |
258 (non-critical) |
0x0102 |
DescriptionEntry |
512 |
0x0200 |
DescriptionKey |
513 |
0x0201 |
DescriptionValue |
514 |
0x0202 |
Note
The ABNF grammar of this specification denotes the TLV-TYPE of element X as X-TYPE.
For example, INTEREST-TYPE means %x05, the TLV-TYPE of Interest encoded in VAR-NUMBER-1 format.
Reserved ranges¶
Number range |
Designation |
|---|---|
9 |
Reserved, formerly Selectors |
11 |
Reserved, formerly Scope |
13 |
Reserved, formerly MinSuffixComponents |
14 |
Reserved, formerly MaxSuffixComponents |
15 |
Reserved, formerly PublisherPublicKeyLocator |
16 |
Reserved, formerly Exclude |
17 |
Reserved, formerly ChildSelector |
19 |
Reserved, formerly Any |
31 |
Reserved, formerly Delegation |
126 |
Reserved, TLV element must be ignored during processing |
[80, 100] |
Reserved for assignments related to local-link data processing, e.g., NDNLP (1-byte encoding) |
all other numbers in [1, 127] |
Reserved for future assignments (1-byte encoding) |
[128, 252] |
For application use (1-byte encoding) |
[800, 1000] |
Reserved for assignments related to local-link data processing, e.g., NDNLP (3-byte encoding) |
all other numbers in [253, 32767] |
Reserved for future assignments (3-byte encoding) |
>32767 |
For application use (3-byte or 5-byte encoding) |