OSI/MHS Configuration and Management Manual

Introduction to OSI/MHS
OSI/MHS Configuration and Management Manual—424827-003
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Message Relay (MR) Group
The MR group contains the following:
•
Message relay (MR) process
•
Reliable transfer service (RTS) process
•
Store cleaner (SC) process
•
MR protocol data unit (PDU) store
Each OSI/MHS subsystem must have at least one MR group. The MR groups together
provide the function of a single logical MTA.
Message Relay Process (MR Process, MRP)
The MR process is a single, restartable process that provides the following functions:
•
Relay of messages
Figure 1-8. Message Relay Group
009VST .VS D
OSI/MHS
Subsystem
MR Group
MR PDU
Store
SCRTS
RS Groups
OSI /AS
Transfer
X400
Gateway
Adjacent
MTA
MS Groups
MRP