Constrained RESTful Environments (CoRE) Parameters

Created
2012-06-08
Last Updated
2016-08-31
Available Formats

XML
HTML
Plain text

Registries included below

Resource Type (rt=) Link Target Attribute Values

Expert(s)
Unassigned
Reference
[RFC6690]
Available Formats

CSV

Interface Description (if=) Link Target Attribute Values

Expert(s)
Unassigned
Reference
[RFC6690]
Value Description Reference Notes
No registrations at this time.

CoAP Codes

Registration Procedure(s)
Reserved ranges may be allocated in accordance with section 4.3 of [RFC5226].
Reference
[RFC7252, Section 12.1]
Available Formats

CSV
Code Description Reference
0.00 Indicates an Empty message. [RFC7252, section 4.1]
0.01-0.31 Indicates a request. Values in this range are assigned by the [CoAP Method Codes] sub-registry. [RFC7252, section 12.1.1]
1.00-1.31 Reserved [RFC7252]
2.00-5.31 Indicates a response. Values in this range are assigned by the [CoAP Response Codes] sub-registry. [RFC7252, section 12.1.2]
6.00-7.31 Reserved [RFC7252]

CoAP Method Codes

Registration Procedure(s)
IETF Review or IESG Approval
Reference
[RFC7252, Section 12.1.1]
Available Formats

CSV
Code Name Reference
0.01 GET [RFC7252]
0.02 POST [RFC7252]
0.03 PUT [RFC7252]
0.04 DELETE [RFC7252]
0.05-0.31 Unassigned

CoAP Response Codes

Registration Procedure(s)
IETF Review or IESG Approval
Reference
[RFC7252, Section 12.1.2]
Available Formats

CSV
Code Description Reference
2.00 Unassigned
2.01 Created [RFC7252]
2.02 Deleted [RFC7252]
2.03 Valid [RFC7252]
2.04 Changed [RFC7252]
2.05 Content [RFC7252]
2.06-2.30 Unassigned
2.31 Continue [RFC7959]
3.00-3.31 Reserved [RFC7252]
4.00 Bad Request [RFC7252]
4.01 Unauthorized [RFC7252]
4.02 Bad Option [RFC7252]
4.03 Forbidden [RFC7252]
4.04 Not Found [RFC7252]
4.05 Method Not Allowed [RFC7252]
4.06 Not Acceptable [RFC7252]
4.07 Unassigned
4.08 Request Entity Incomplete [RFC7959]
4.09-4.11 Unassigned
4.12 Precondition Failed [RFC7252]
4.13 Request Entity Too Large [RFC7252]
4.14 Unassigned
4.15 Unsupported Content-Format [RFC7252]
4.16-4.31 Unassigned
5.00 Internal Server Error [RFC7252]
5.01 Not Implemented [RFC7252]
5.02 Bad Gateway [RFC7252]
5.03 Service Unavailable [RFC7252]
5.04 Gateway Timeout [RFC7252]
5.05 Proxying Not Supported [RFC7252]
5.06-5.31 Unassigned

CoAP Option Numbers

Expert(s)
Zach Shelby
Reference
[RFC7252, Section 12.2]
Available Formats

CSV
Range Registration Procedures
0-255 IETF Review or IESG Approval
256-2047 Specification Required
2048-64999 Expert Review
65000-65535 Experimental use (no operational use)
Number Name Reference
0 Reserved [RFC7252]
1 If-Match [RFC7252]
2 Unassigned
3 Uri-Host [RFC7252]
4 ETag [RFC7252]
5 If-None-Match [RFC7252]
6 Observe [RFC7641]
7 Uri-Port [RFC7252]
8 Location-Path [RFC7252]
9-10 Unassigned
11 Uri-Path [RFC7252]
12 Content-Format [RFC7252]
13 Unassigned
14 Max-Age [RFC7252]
15 Uri-Query [RFC7252]
16 Unassigned
17 Accept [RFC7252]
18-19 Unassigned
20 Location-Query [RFC7252]
21-22 Unassigned
23 Block2 [RFC7959]
24-26 Unassigned
27 Block1 [RFC7959]
28 Size2 [RFC7959]
29-34 Unassigned
35 Proxy-Uri [RFC7252]
36-38 Unassigned
39 Proxy-Scheme [RFC7252]
40-59 Unassigned
60 Size1 [RFC7252]
61-127 Unassigned
128 Reserved [RFC7252]
129-131 Unassigned
132 Reserved [RFC7252]
133-135 Unassigned
136 Reserved [RFC7252]
137-139 Unassigned
140 Reserved [RFC7252]
141-257 Unassigned
258 No-Response [RFC7967]
259-64999 Unassigned
65000-65535 Reserved for Experimental Use [RFC7252]

CoAP Content-Formats

Expert(s)
Zach Shelby
Reference
[RFC7252, Section 12.3]
Available Formats

CSV
Range Registration Procedures
0-255 Expert Review
256-9999 IETF Review or IESG Approval
10000-64999 First Come First Served
65000-65535 Experimental use (no operational use)
Media Type Encoding ID Reference
text/plain; charset=utf-8 0 [RFC2046][RFC3676][RFC5147]
Unassigned 1-39
application/link-format 40 [RFC6690]
application/xml 41 [RFC3023]
application/octet-stream 42 [RFC2045][RFC2046]
Unassigned 43-46
application/exi 47 ["Efficient XML Interchange (EXI) Format 1.0 (Second Edition)", February 2014]
Unassigned 48-49
application/json 50 [RFC4627]
Unassigned 51-59
application/cbor 60 [RFC7049]
Unassigned 61-255
application/coap-group+json UTF-8 256 [RFC7390]
Unassigned 257-64999
Reserved for Experimental Use 65000-65535 [RFC7252]