Minimal Lower Layer Protocol


Minimal Lower Layer Protocol (MLLP) is a Protocol used in transmitting Health Level Seven (HL7) messages via TCP/IP, which has a header and trailer characters are added to the message to identify the beginning and ending of the message because TCP/IP is a continuous stream of bytes.

Hybrid Lower Layer Protocol (HLLP) is a variation of MLLP that includes a checksum to help verify message integrity.

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