Multipart Content-Format for the Constrained Application Protocol (CoAP)
T. Fossati, Klaus S. Hartke, Carsten Bormann · 2020
This memo defines application/multipart-core, an application- independent media-type that can be used to combine representations of zero or more different media types into a single message, such as a CoAP request or response body, with minimal framing overhead, each along with a CoAP Content-Format identifier.