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ContentType » History » Version 18

Davide Pesavento, 01/13/2023 06:39 PM

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# ContentType
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The following table defines the currently assigned values for the `ContentType` element in NDN Data packets.
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ContentType  | Value (dec) | Description of the content | Reference
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-------------|-------------|----------------------------|----------
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Blob         |  0          | Payload identified by the data name; this is the default ContentType | [NDN packet spec](https://docs.named-data.net/NDN-packet-spec/current/data.html)
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Link         |  1          | Another name which identifies the actual data content | [Link object](https://docs.named-data.net/NDN-packet-spec/current/link.html)
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Key          |  2          | Public key; certificate | [Certificate](https://docs.named-data.net/NDN-packet-spec/current/certificate.html)
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Nack         |  3          | Application-level NACK | [NDN packet spec](https://docs.named-data.net/NDN-packet-spec/current/data.html)
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Manifest     |  4          | Manifest | #3301
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PrefixAnnouncement |  5             | Prefix announcement object | [[nfd:PrefixAnnouncement]]
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EncapsulatedData   |  6             | Encapsulated Data packet | Used by SVS-PS
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*(reserved)*       | 7-1023         | Reserved for future assignments
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FLIC               |  1024          | File-Like ICN Collection (FLIC) | [draft-irtf-icnrg-flic](https://datatracker.ietf.org/doc/draft-irtf-icnrg-flic/)
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*Experimentation range* | 9000-9999 | Reserved for experimentation |
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## Experimentation range
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TBD
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## References
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https://docs.named-data.net/NDN-packet-spec/current/data.html#contenttype