By now, you have experience with Fabric SDK and by the end of the Chapter 7, A Business Network Example, you will have experienced using the the Composer REST gateway. While those are certainly the main tools of the trade when it comes to integration, they are part of an ecosystem, and there needs to be an alignment of the business processes of the enterprise to make sure the integration makes sense.

As per the design considerations, we will look at the following aspects:

• Impact of decentralization
• Process alignment
• Message affinity
• Service discovery
• Identity mapping