- Mainframe
- In the context of this web site, mainframe refers to an
IBM (or "plug compatible") mainframe computer.
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- message
- In the context of IBM's
MQSeries;
a communication sent between two programs.
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- Message Channel
- In the context of IBM's
MQSeries;
a mechanism for moving messages from one
queue manager
to another in a distributed queuing environment. A message
consists of two message channel agents ( a sender at one
end and a receiver at the other end) and a communication link.
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- Message Channel Interface (MCI)
- In the context of IBM's
MQSeries;
the interface to which customer or
ISV
written programs that transmit messages between an MQSeries
queue manager
and another messaging system must conform.
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- Message Queue Interface (MQI)
- In the context of IBM's
MQSeries;
the
API
provided by the MQSeries
queue managers.
This programming interface allows application programs to
access message queuing services.
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- Message Queue Interface Channel (MQI channel)
- In the context of IBM's
MQSeries;
an MQI channel connects an MQSeries client to a
queue manager
on a server system and transfers only
MQI
calls and responses in a bidirectional manner.
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- method
- (1) A fragment of
Java
code within a
class
that can be invoked and passed a set of parameters to
perform a specific class.
(2) Code that can be executed to perform a specific request.
Methods associated with an
object
can be structured into one or more programs.
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- Millions of Instructions Per Second (MIPS)
- The traditional measurement of mainframe
CPU
capacity and performance i.e how many million machine
instructions the
CPU
can, on average, process in a second.
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- MQSeries
- The IBM MQSeries family of products, which provide an open,
scalable, industrial strength messaging and information
infrastructure, enabling enterprises (and their customers,
business partners etc.) to integrate business processes.
IBM has recently "rebranded" the MQSeries family of
products as the "WebSphere MQ" family of products.
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- Multiple Virtual Storage (MVS)
- An IBM operating system for processing systems consisting
of one or more mainframe processors.
MVS has evolved along with mainframe hardware over the
years and although the term MVS is still generally used and
understood the operating system has had many different
names:
- Multiple Virtual Storage / System Product (MVS/SP)
- Multiple Virtual Storage / Extended Architecture (MVS/XA)
- Multiple Virtual Storage / Enterprise Systems Archtitecture
(MVS/ESA)
- Operating System / 390 (OS/390)
- z/OS
z/OS is the current name given to the 64-bit operating
system.
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- Multipurpose Internet Mail Extensions (MIME)
- A standard for multi-part, multimedia electronic mail messages
and
World Wide Web (WWW)
hypertext documents on the
Internet.
MIME provides the ability to transfer non-textual data,
such as graphics, audio and fax.
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- Multi-Region Operation (MRO)
- Is a function of the
CICS
Inter-Region Communication
facility, which enables communication between
CICS
regions.
A "classic"
CICS
environment could consist of:
- Application Owning Regions (AOR)
- Database Owning Regions (DOR)
- File Owning Regions (FOR)
- Queue Owning Regions (QOR)
- Terminal Owning Regions (TOR)
All regions communicating via MRO links (connections and sessions).
Cross-system Multi-Region Operation (XCF/MRO) is an extension
to MRO, which enables the same communication between mainframes in a
sysplex
using cross-memory services and the
Coupling Facility (CF).
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