August 2018
Beginner
594 pages
22h 33m
English
Content preview from Software Architect's Handbook
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Confirming the need for integration
Prior to expending the effort to integrate with a legacy application, thought should be given to ensure that the integration is necessary. Depending on the situation, it may be easier to migrate the functionality that is needed from the legacy application rather than move forward with integration.
When deciding to migrate or integrate, consider the amount of functionality that is needed from the legacy system and the complexity of that functionality. If there is a large amount of functionality and/or the functionality is highly complex, then more effort will be necessary to migrate it. It may be more cost-effective to integrate with the legacy system and to keep using it.
Another factor to consider is the ...