Installation guide

88 Netscape Directory Server Installation Guide • May 2002
RDN 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 maintai ned within the directory.
referral (1) W hen a server receives a search or up date request from an LD AP
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 o f replication, when a read-only replica receives an update
request,it forwards it to the server that holds the corresponding read-writereplica.
This forwarding process is called a referral.
replica A database that participates in replication
read-only replica A r eplica that refers all update operations to read-write
replicas. A server can hold any number of read-only replicas.
read-write replica A replica that contains a mastercopy ofdirectoryinformation
and can be updated. A server can hold any n umber of read-write replicas.
relative distinguished name See RDN.
replication Act of copying directory trees or subtrees from supplier servers to
consumer servers.
replication a greement Set of configuration parameters that are stored on the
supplier server and identify the databases to replicate, the consu mer 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,whicharetheentries
that possess the role.
role-based attributes Attributes that appear on an entry because it possesses a
particular role within an associated CoS template.