Oracle
service bus transforms complex architectures into agile integration networks by
connecting interactions between services and applications. OSB enrich extreme
performance and scalability by applying sophisticated techniques for all
dimensions to enhance the growth of organization. It allows continuous logging
of messages at runtime and offers full-fledged web based design environment.
Visual debugger allows developers to define break points and execution of stack
for message processing pipeline enable empirical approach for performance
tuning. OSB automatically synchronizes service governance throughout the life
cycle with enterprise repository.
Oracle
Service Bus architecture and features
ESB
provides means to manage connections, control the communication between
services, supervise the services and their SLAs (Service Level
Agreements), and much more. The importance of the ESB often becomes visible
after the frst development iteration of SOA composite application has taken
place. For example, when a service requires a change in its interface or
payload, the ESB can provide the transformation capabilities to mask the
differences to existing service consumers. ESB can also mask the location of
services, making it easy to migrate services to different servers. There are
plenty other scenarios, where ESB is important.
OSB provides some functionalities that are
similar to the functionalities of the Mediator component within the SOA
Composite, such as routing, validation, fltering, and transformation. The major
difference is that the Mediator is a mediation component that is meant to work
within the SOA Composite and is deployed within a SOA composition application.
The OSB on the other hand is a standalone service bus. In addition to providing
the communication backbone for all SOA (and non-SOA) applications, OSB mission
is to shield application developers from changes in the service endpoints and
to prevent those systems from being overloaded with requests from upstream
applications.
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