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• Oracle Service Bus

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Introduction to OSB
Oracle Service Bus transforms complex and brittle
architectures into agile integration networks by
connecting, virtualizing, and managing
interactions between services and applications.
Oracle Service Bus delivers low-cost,
standards-based integration for mission critical
SOA environments where extreme performance,
scalability and reliability are critical
requirements.  Oracle Service Bus enables
companies to unlock the value of their enterprise
applications portfolio.  From on-premise, to the
cloud to mobile devices and to the future, Oracle
Service Bus allows companies to leverage their
existing investments in whole new ways.
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Different Layers in OSB
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1. Messaging layer Provides support to reliably
   connect any service by leveraging standards, such
   as HTTP/SOAP, WS-I, WS-Security, WS-Policy,
   WS-Addressing, SOAP v1.1, SOAP v1.2, EJB, RMI,
   and so on. It even supports the creation of
   custom transports using the Custom Transport
   Software Development Kit (SDK).
2. Security layer Provides security at all levels
   Transport Security (SSL), Message Security
   (WS-Policy, WS-Security, and so on), Console
   Security (SSO and role based access) and Policy
   (leverages WS-Security and WS-Policy).
3. Composition layer Provides confguration-driven
   composition environment. We can use either the
   Eclipse plug-in environment or web-based Oracle
   Service Bus Console. We can model message fows
   that contain content-based routing, message
   validation, and exception handling. We can also
   use message transformations (XSLT, XQuery),
   service callouts (POJO, Web Services), and a test
   browser. Automatic synchronization with UDDI
   registries is also supported.
4. Management layer Provides a unifed dashboard for
   service monitoring and management. We can defne
   and monitor Service Level Agreements (SLAs),
   alerts on operation metrics and message
   pipelines, and view reports.

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OSB Overview

• Connects, mediates, and manages interactions
  between heterogeneous services, legacy
  applications, packaged applications, and multiple
  enterprise service bus (ESB) instances
• Delivers low-cost, standards-based service
  integration for high-volume, mission-critical
  environments spanning the enterprise and the
  cloud
• Provides built-in management and monitoring
  capabilities
• Supports out-of-the-box integration with SOA
  governance products
• Serves as a backbone for service messaging in the
  Oracle SOA Suite
• Pre-integrated with Oracle SOA Governance for
  improved enterprise-wide SOA governance
• May be purchased standalone or as a component of
  the Oracle SOA Suite

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• Benefits
• Delivers stringent service-level agreements with
  intelligent load balancing and built-in
  high-availability infrastructure
• Minimizes costs by maximizing utilization of
  existing server resources even at low-latency,
  high-volume workloads
• Allows instant, point-in-time, restore-for-configu
  ration settings and provides anytime, anywhere
  accessibility with a 100 Web-based environment

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