Air Cleaner User Manual

Registry Editor. In Windows NT, the program item
that allows the user to edit the Registry.
Registry Hive. In Windows NT, the structure of the
data stored in the Registry.
relative byte address (RBA). The displacement in
bytes of a stored record or control interval from the
beginning of the storage space allocated to the data set
to which it belongs.
remote queue. A queue belonging to a remote queue
manager. Programs can put messages on remote
queues, but they cannot get messages from remote
queues. Contrast with local queue.
remote queue manager. To a program, a queue
manager that is not the one to which the program is
connected.
remote queue object. See local definition of a remote
queue.
remote queuing. In message queuing, the provision of
services to enable applications to put messages on
queues belonging to other queue managers.
reply message. A type of message used for replies to
request messages. Contrast with request message and
report message.
reply-to queue. The name of a queue to which the
program that issued an MQPUT call wants a reply
message or report message sent.
report message. A type of message that gives
information about another message. A report message
can indicate that a message has been delivered, has
arrived at its destination, has expired, or could not be
processed for some reason. Contrast with reply message
and request message.
requester channel. In message queuing, a channel that
may be started remotely by a sender channel. The
requester channel accepts messages from the sender
channel over a communication link and puts the
messages on the local queue designated in the message.
See also server channel.
request message. A type of message used to request a
reply from another program. Contrast with reply
message and report message.
RESLEVEL. In MQSeries for OS/390, an option that
controls the number of CICS user IDs checked for
API-resource security in MQSeries for OS/390.
resolution path. The set of queues that are opened
when an application specifies an alias or a remote
queue on input to an MQOPEN call.
resource. Any facility of the computing system or
operating system required by a job or task. In MQSeries
for OS/390, examples of resources are buffer pools,
page sets, log data sets, queues, and messages.
resource manager. An application, program, or
transaction that manages and controls access to shared
resources such as memory buffers and data sets.
MQSeries, CICS, and IMS are resource managers.
Resource Recovery Services (RRS). An OS/390
facility that provides 2-phase syncpoint support across
participating resource managers.
responder. In distributed queuing, a program that
replies to network connection requests from another
system.
resynch. In MQSeries, an option to direct a channel to
start up and resolve any in-doubt status messages, but
without restarting message transfer.
return codes. The collective name for completion
codes and reason codes.
rollback. Synonym for back out.
RRS. Resource Recovery Services.
RTM. Recovery termination manager.
rules table. A control file containing one or more rules
that the dead-letter queue handler applies to messages
on the DLQ.
S
SAF. System Authorization Facility.
SDWA. System diagnostic work area.
security enabling interface (SEI). The MQSeries
interface to which customer- or vendor-written
programs that check authorization, supply a user
identifier, or perform authentication must conform. A
part of the MQSeries Framework.
SEI. Security enabling interface.
sender channel. In message queuing, a channel that
initiates transfers, removes messages from a
transmission queue, and moves them over a
communication link to a receiver or requester channel.
sequential delivery. In MQSeries, a method of
transmitting messages with a sequence number so that
the receiving channel can reestablish the message
sequence when storing the messages. This is required
where messages must be delivered only once, and in
the correct order.
sequential number wrap value. In MQSeries, a
method of ensuring that both ends of a communication
link reset their current message sequence numbers at
the same time. Transmitting messages with a sequence
Glossary
Glossary of terms and abbreviations 299