OID replaced
Oracle Names used in prior database releases since it gives users a way to connect to
an Oracle Server without having a client-side configuration file. OID is an LDAP
(Lightweight Directory Access Protocol) directory and so it supports Oracle Net and
other LDAP-enabled protocols.
Oracle Connection Manager
Each connection to the database takes up valuable network resources, which can
impact the overall performance of a database application. Oracle??™s Connection Manager
(CMAN), illustrated in Figure 1-3, reduces the number of Oracle Net client
network connections to the database through the use of concentrators, which provide
connection multiplexing to implement multiple connections over a single network
connection. Connection multiplexing provides the greatest benefit when there are a
large number of active users.
Figure 1-3. Concentrators with Connection Managers for a large number of users
Database Server
Connection Managers
Clients
Database Connection Features | 15
You can also use the Connection Manager to provide multiprotocol connectivity if
youstill have some clients and servers not using TCP/IP.
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