Maintenance has been presented as both the final stage of the SDLC (see Figure 14-1) and as a process similar to the SDLC (see Figure 14-3). Why does it make sense to talk about maintenance in both of these ways? Do you see a conflict in looking at maintenance in both ways?

Figure 14-3

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Implementation Planning The Maintenance Process 1. Obtaining Maintenance Requests 2. Transforming Requests into Changes 3. Designing Changes 4. Implementing Changes Design Analysis