Enterprise Service Bus (ESB)

The characteristics of ESB are as follows:

The ESB is not just a transformation engine. While transformation is a core function of an ESB, it is not the only thing it does.

Its biggest value is to match and route messages and services, to convert between transport protocols and to manage and distribute business events. The idea of describing an ESB as a ‘proxy’ might be new to some people, but the message resonates well with customers.

Here the key point is that by having a proxy, you do not need to ‘hard-code’ connectivity logic directly into applications. This makes the application logic much more modular and allows you to swap out other applications according to the requirements.

Read more...

What is EAI? Why do we need it?

Enterprise Application Integration(EAI):The use of middleware to integrate the application programs, databases, and legacy systems involved in an organization's critical business processes.

Software that mediates between an application program and a network.It manages the interaction between disparate applications across the heterogeneous computing platforms.

The need of EAI:

• Provides a common framework for integrating incompatible and distributed systems.
• Makes it faster and easier to tie together applications and Web Services.
• Can integrate applications into business processes that span the organization.
• EAI reduces the complexity of IT infrastructure and dramatically improves its reliability, flexibility and scalability –

Read more...