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Transport
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Transport is an ambiguous term, which is used in HL7 to identify the following:
- The entire infrastructure that serves the HL7 messages transfer from the Sending Application Role to the Receiving Application Role. In other words: all transport activities supported by OSI layers 1-6. The OSI layers 1-6 are perceived by the HL7 Applications as the unified interface for message transfer, meaning that an HL7 Application is not required to (and usually doesn't) posses any specific knowledge for technology components residing at OSI layers 1-5.
- A specific session-level Transport Protocol (OSI layer 1-3), for example TCP/IP, SMTP, RS232 or LU6.2.
- (Miroslav) Question - does this refers to the MLLP transport only? Do we have anywhere in the standard that we use the word transport for 1-3 OSI layers in SOA environments (which would be a potential problem in interpretation)?
