Rfc 7049 concise binary object representation cbor

Like JSON it allows the transmission data objects that contain name—value pairsbut in a more concise manner. This increases processing and transfer speeds at the cost of human-readability. Amongst other uses, it is the recommended data serialization layer for the CoAP Internet of Things protocol suite. Each data item behaviour is defined by the major type and additional type.

The major type is used for selecting the main behaviour or type of each data item. The additional type is additional information whose exact behaviour is dependent on the major type value. Every map entry takes two data items in sequential rfc 7049 concise binary object representation cbor, a key data item and a value data item.

The primitives major type has a major type value of 7. It rfc 7049 concise binary object representation cbor used for simple data types, common complex float types, as well as control code. This is a meta value, that is used in conjunction with arrays and maps set to indefinite length mode.

This indicates to the CBOR parser to close the corresponding map or array level. Registration must contain these template. From Wikipedia, the free encyclopedia. Retrieved from " https: All articles with failed verification Articles with failed verification from February Views Read Edit View history.

This page was last edited on 8 Aprilat By using this site, you agree to the Terms of Use and Privacy Policy. The 5-bit additional information is either the integer itself for additional information values 0 through 23 or the length of additional data. The encoding follows the rules for unsigned integers major type 0except that the value is then -1 minus the encoded unsigned integer.

The string's length in bytes is represented following the rules for positive integers major type rfc 7049 concise binary object representation cbor. Arrays are also called lists, sequences, or tuples. The length denotes the number of data items in array rather than the byte length. A map of pairs of data items. Maps are also called tables, dictionaries, hashes, or objects in JSON. First Come First Served.

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