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What are some practical uses for an ESB?
By utilizing an ESB, a company can easily implement a service proxy in Java which can call an RMI service. Then the service proxy exposes a web service interface, such as SOAP and WSDL via the ESB to the .NET applications. What are Some Practical Uses for an ESB?
How are topics and subscriptions different from queues?
Topics and subscriptions. In contrast to queues, in which each message is processed by a single consumer, topics and subscriptions provide a one-to-many form of communication, in a publish/subscribe pattern. Useful for scaling to large numbers of recipients, each published message is made available to each subscription registered with the topic.
Which is an example of an ESB in Java?
As an example, if an application exposes a Java RMI service, but the rest of the network runs on .NET, so it cannot call the RMI service directly. By utilizing an ESB, a company can easily implement a service proxy in Java which can call an RMI service.
What are the features of a proprietary ESB?
Proprietary ESBs make a lot of sense for companies that want simpler usability, product stability, and ownership. Some of the features of a proprietary ESB include: Proprietary ESBs provide a vast range of i ntegration features as well as an extensive list of tools such as BAM, EDA, and CEP.
Which is better an ESB or a framework?
An ESB is based on a framework implicitly. However, it is a much more powerful product. Contrary to a framework, an ESB offers strong tool support for deployment, administration and monitoring at runtime, besides basic functionalities for application integration.
How is an ESB used in a legacy system?
Businesses can choose to provide a standards based service interface in front of the legacy systems, use the ESB to directly connect to the legacy system through an adapter or connector, or the application may provide its own api. In any case the enterprise service bus shields the new application from the legacy interface.