Now that we have architectural assessments for both the current “as-is” context and one or more probable “to-be” contexts in scope, we now need to establish the gaps between them, so as to identify requirements for change, and then document those requirements in whatever form we need for subsequent analysis and design. This is where we find out what’s needed to make things work better by helping them work together, on purpose.
Note that this is only about requirements – not “solutions.” Solutions are ...