Oracle Service Bus Tutorial byOracle Experts

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Tekslate

• Oracle OSB

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Introduction to Oracle OSB
Oracle Service Bus, aka OSB, is an Enterprise
Service Bus implementation by Oracle. OSB,
formerly known as Aqua Logic Service Bus, was
acquired when Oracle bought BEA Systems. Oracle
Service Bus transforms architectures by
connecting, mediating, and managing interactions
between services and applications. Oracle
Service Bus (previously known as Weblogic ALSB)
is a light weight messaging component of SOA
Suite. In addition to providing basic routing and
transformation services, OSB also provides
advanced capabilities for service
abstraction. As of version 11.1.1.3, OSB can
only run on Weblogic platform. Since it runs in a
separate JVM, there is an overhead in
communicating with rest of SOA Suite
components. Though OSB is similar to Mediator
component at the conceptual level, there are
specific scenarios when OSB will be very useful.
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OSB Service Invocation Overview
OSB service invocation happens through two
different layers proxy service and business
service. Proxy service is an entry point for all
service invocations. Ideally proxy service should
present canonical interfaces to clients. Proxy
service then routes inbound message through a
series of steps (aka pipes). Each step can
perform distinct operations such as
transformation, enrichment and logging etc.,
eventually this message is routed to Business
Service which is just a reference to target
service.
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Oracle Service Bus Architecture
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Oracle Service Bus Functional Architecture
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OSB as a Message Broker
A high performance message broker is a core
component of Oracle Service Bus. It enables
content-based routing of messages and data
transformation. Using HTTPS, SOAP, JMS,
SMTP/POP/IMAP, Tuxedo, EJB, Native MQ
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Oracle Service Bus Deployments
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Features of TeraData

• Document Transformation with XQuery and XSLT .
• Content-Based and Header-Based Routing .
• Integration with Oracle SOA Suite using
  SOA-Direct protocol Dashboard to monitor
  transactions and interactions between different
  systems.
• Capturing certain events and alerting them.
• Protocol conversion (for standard protocols).
• When required, a custom protocol can be added to
  the Oracle Service bus to ensure custom protocol
  conversion.
• Service Virtualization.
• Version management.
• Schema validation and exception handling.

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