Compaq Reliable Transaction Router Getting Started page 73

primary
The state of the partition servicing the original data store or
database. A primary has a secondary or shadow counterpart.
process
The basic software entity, including address space, scheduled by
system software, that provides the context in which an image
executes.
properties
Application, transaction and system information.
property classes
Classes used for obtaining information about facilities, partitions,
and transactions.
quorate
Nodes/roles in a facility that has quorum are quorate.
quorum
The minimum number of routers and backends in a facility,
usually a majority, who must be active and connected for the
valid completion of processing.
quorum node
A node, defined specified in a facility as a router, whose purpose
is not to process transactions but to ensure that quorum
negotiations are possible.
quorum threshold
The minimum number of routers and backends in a facility
required to achieve quorum.
roles
Roles are defined for each node in an RTR configuration based on
the requirements of a specific facility. Roles are frontend, router,
or backend.
Glossary–7