<status value="active"/> <experimental value="false"/> <date value="2020-12-28T16:55:11+11:00"/> <publisher value="HL7 (FHIR Project)"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> <telecom> <system value="email"/> <value value="fhir@lists.hl7.org"/> </telecom> </contact> <description value="The protocol used for message transport."/> <jurisdiction> <coding> <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/> <code value="001"/> <display value="World"/> </coding> </jurisdiction> <caseSensitive value="true"/> <valueSet value="http://hl7.org/fhir/ValueSet/message-transport"/> <content value="complete"/> <concept> <code value="http"/> <display value="HTTP"/> <definition value="The application sends or receives messages using HTTP POST (may be over http: or https:)."/> </concept> <concept> <code value="ftp"/> <display value="FTP"/> <definition value="The application sends or receives messages using File Transfer Protocol."/> </concept> <concept> <code value="mllp"/> <display value="MLLP"/> <definition value="The application sends or receives messages using HL7's Minimal Lower Level Protocol."/> </concept> </CodeSystem>

This code system http://hl7.org/fhir/message-transport defines the following codes:

Code	Display	Definition
http	HTTP	The application sends or receives messages using HTTP POST (may be over http: or https:).
ftp	FTP	The application sends or receives messages using File Transfer Protocol.
mllp	MLLP	The application sends or receives messages using HL7's Minimal Lower Level Protocol.