Red Hat DIRECTORY SERVER 7.1 - PLUG-IN PROGRAMMERS Manual page 624

RDN Also Relative Distinguished Name. The name of the actual entry itself, before
the entry's ancestors have been appended to the string to form the full
distinguished name.
referential integrity Mechanism that ensures that relationships between related
entries are maintained within the directory.
referral (1) When a server receives a search or update request from an LDAP
client that it cannot process, it usually sends back to the client a pointer to the
LDAP sever that can process the request.
(2) In the context of replication, when a read-only replica receives an update
request, it forwards it to the server that holds the corresponding read-write
replica. This forwarding process is called a referral.
replica A database that participates in replication.
read-only replica A replica that refers all update operations to read-write
replicas. A server can hold any number of read-only replicas.
read-write replica
information and can be updated. A server can hold any number of read-write
replicas.
relative distinguished name See RDN.
replication Act of copying directory trees or subtrees from supplier servers to
consumer servers.
replication agreement Set of configuration parameters that are stored on the
supplier server and identify the databases to replicate, the consumer servers to
which the data is pushed, the times during which replication can occur, the DN
and credentials used by the supplier to bind to the consumer, and how the
connection is secured.
RFC Request for Comments. Procedures or standards documents submitted to the
Internet community. People can send comments on the technologies before they
become accepted standards.
role An entry grouping mechanism. Each role has members, which are the entries
that possess the role.
role-based attributes Attributes that appear on an entry because it possesses a
particular role within an associated CoS template.
622 Red Hat Directory Server Plug-in Programmer's Guide • May 2005
A replica that contains a master copy of directory