NameComponentType » History » Version 19
Alex Afanasyev, 10/26/2021 02:00 PM
| 1 | 1 | Alex Afanasyev | # Name Component Type Assignment |
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| 2 | |||
| 3 | 17 | Davide Pesavento | This document lists the assigned Name Component types as well as the reserves ranges of types for experimentation purposes. |
| 4 | 2 | Alex Afanasyev | |
| 5 | ## Assigned types |
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| 6 | |||
| 7 | 16 | Davide Pesavento | Component Type | TLV-TYPE | TLV-VALUE Format | Description | Alternate URI Format | Reference |
| 8 | -------------------------------------|--------------|--------------------|---------------------------------------|-----------------------|---------- |
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| 9 | Invalid | 0 (0x00) | N/A | Invalid name component type | N/A | [NDN packet spec](https://named-data.net/doc/NDN-packet-spec/current/name.html) |
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| 10 | ImplicitSha256DigestComponent | 1 (0x01) | 32OCTET | Implicit SHA-256 digest component | `sha256digest=<hex>` | [NDN packet spec](https://named-data.net/doc/NDN-packet-spec/current/name.html) |
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| 11 | ParametersSha256DigestComponent | 2 (0x02) | 32OCTET | SHA-256 digest of Interest Parameters | `params-sha256=<hex>` | [NDN packet spec](https://named-data.net/doc/NDN-packet-spec/current/name.html) |
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| 12 | GenericNameComponent | 8 (0x08) | *OCTET | Generic name component | "`8=`" prefix omitted | [NDN packet spec](https://named-data.net/doc/NDN-packet-spec/current/name.html) |
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| 13 | KeywordNameComponent | 32 (0x20) | *OCTET | Well-known keyword | (not defined) | |
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| 14 | 18 | Davide Pesavento | SegmentNameComponent | 33 (0x21) | NonNegativeInteger | Segment number | `seg=<dec>` | [NDN naming conventions](https://named-data.net/publications/techreports/ndn-tr-22-2-ndn-memo-naming-conventions/) |
| 15 | ByteOffsetNameComponent | 34 (0x22) | NonNegativeInteger | Byte offset | `off=<dec>` | [NDN naming conventions](https://named-data.net/publications/techreports/ndn-tr-22-2-ndn-memo-naming-conventions/) |
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| 16 | VersionNameComponent | 35 (0x23) | NonNegativeInteger | Version number | `v=<dec>` | [NDN naming conventions](https://named-data.net/publications/techreports/ndn-tr-22-2-ndn-memo-naming-conventions/) |
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| 17 | TimestampNameComponent | 36 (0x24) | NonNegativeInteger | Unix timestamp in microseconds | `t=<dec>` | [NDN naming conventions](https://named-data.net/publications/techreports/ndn-tr-22-2-ndn-memo-naming-conventions/) |
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| 18 | SequenceNumNameComponent | 37 (0x25) | NonNegativeInteger | Sequence number | `seq=<dec>` | [NDN naming conventions](https://named-data.net/publications/techreports/ndn-tr-22-2-ndn-memo-naming-conventions/) |
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| 19 | 9 | Davide Pesavento | |
| 20 | 2 | Alex Afanasyev | ## Reserved ranges |
| 21 | |||
| 22 | 19 | Alex Afanasyev | The reserved ranges are superset of TLV code reservations of the [NDN packet specification](https://named-data.net/doc/NDN-packet-spec/current/types.html#tlv-type-number-reservations) with the following additions: |
| 23 | |||
| 24 | TBD |
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| 25 | |||
| 26 | |||
| 27 | 2 | Alex Afanasyev | Type (dec) | Description |
| 28 | 9 | Davide Pesavento | ------------|--------------------------------------- |
| 29 | 10 | Junxiao Shi | 3-7, 9-31 | Reserved |
| 30 | 38-200 | Unassigned (1-byte encoding) |
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| 31 | 9 | Davide Pesavento | 201-252 | For experimental use (1-byte encoding) |
| 32 | 253-3200 | Unassigned (3-byte encoding) |
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| 33 | 3201-65535 | For experimental use (3-byte encoding) |
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| 34 | 1 | Alex Afanasyev | 65536+ | Invalid values (5+-byte encoding) |
| 35 | 17 | Davide Pesavento | |
| 36 | ## References |
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| 37 | |||
| 38 | https://named-data.net/doc/NDN-packet-spec/current/name.html |