Database Reference
In-Depth Information
WLS core OFM Servers
Summarizing what we have just discussed, we can describe the WLS as the most generic
way of covering all the SOA principles for our infrastructure, since the DB we discussed
earlier only provides Statefulness (Process Dehydration) and Loose Coupling (AQ) direc-
tly. The application server covers Loose Coupling by maintaining JMS and SAF in an
application-independent way. JNDI also contributes to Loose Coupling, isolating the re-
source name, for instance, the DB connection pool from the physical DB location; so
when the database is moved or changed, you do not have to alter your DB-related service.
JNDI's resource-naming unification and configuration centralization also positively im-
pacts discoverability, but the main contributor to the realization of this principle is UDDI.
The UDDI 2.0 Server is part of WebLogic Server and is started automatically when We-
bLogic Server is started. With complete JAX-WS 2.
x
support, WLS helps you to maintain
Service Abstraction and Standardized Contract, but of course, you should put some effort
into designing the services to realize these principles.
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