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Waterfalll v RUP
The organisation that I work for currently has two development methodologies. One is based on the standard development lifecycle (Waterfall) the other, Rational Unified Process (RUP). Broadly speaking, we use the Waterfall approach when working on projects that impact legacy systems and use RUP when working on Object Orientated projects.
Would it be possible to simply use RUP for both types of projedcts. If so, what diagram notations should be used (or couldn't be used) when working on legacy systems?
I'd appreciate anyones help with this quandary.
Re: Waterfalll v RUP
RUP is a process. It shows diagrams that can be used.
I propose you look at RUP using a process point of view rather than the diagram point of view. You'll see activities and content of deliverables. Focus on these and you can see if the process is usable for your maintenance projects.
Not that sometimes waterfall might be interesting for 'Object Oriented' projects...
OO is just a technique for development, it is not a project approach.