Deciding how to build it
Once you know what you need to build, you need to decide how you want to build it. There are three major decisions that you need to take. They are as follows:
- How much do we build at a time
- How much do we build ourselves
- How do we integrate
Deciding how much to build at a time
If you are building a new system to support a process that has not had IT support earlier, you can build it in one large chunk or in several smaller chunks. The advantage of the large chunk is that you only have to spend resources on one go-live process. On the other hand, if something does not work, you might have developed hundreds of screens with a wrong approach and have to change them.
If you are replacing an existing system (for example, an Oracle ...
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