TIBCO Certification Online Training India

TIBCO Certification Online Training India

EAI Architecture

  • Point to point Architecture
  • Hub and Spoke Architecture
  • Bus Architecture

What is Point to Point Architecture?

  1. This is the most primitive form of integration method
  2. In this architecture, direct connectivity is established between two systems/application as show in the picture below.
  3. It is extremely difficult to implement and equally difficult to maintain.
  4. When a large number of systems are inter-connected, Integration tends to be impossible.
  5. The number of connections needed to have fully meshed point – to – point connections, with n number of applications. I,e n(n-1)/2.

What is Point – to – Point Architecture?

  1. If there are 5 applications in an enterprise, we need 10 connects to integrate them. I,e n(n-1)/2.
  2. Examples; Postal Services, Telegram…

What is Hub and Spoke Architecture?

  1. In this architecture the central hub publishes and subscribes the messages and also co-ordinates the movement of message traffic.
  2. The central performs necessary content and format transformation.
  3. It also provides better maintenance of transformation and routing rules due to centralized approach.
  4. This architecture is convenient for companies with limited IT Resources and moderate transaction volumes.

What is Bus Architecture?

  1. In this mode of architecture the nodes are linked in a series along a common communication back bone with helps in reducing performance bottlenecks and single point of failure.
  2. It is better suited for large – scale environments involving hundreds of systems with heavy transaction volumes. In such a design integration logic (Transformation and routing information) is not maintained centrally.
  3. It also provides better sclability compared to hub and spoke architecture but more difficult to administer as the environment scales up.

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