How are change requests handled and bugs fixed after systems go live?
What will be an ideal response?
Despite extensive testing, no system with any complexity is bug-free. The test cases used to pound the system into shape touch on only a small subset of all the possible events and combinations. Once the system has gone live, users introduce more cases and bugs surface.
Bugs also arise because the surrounding technologies evolve. Most systems continue to evolve as new features and enhancements are added after the initial launch. To manage all the bug fixes and change requests, organizations put into place a change control process. IT staff help clarify the change requests and estimate the resources required to accomplish them. They then work closely with business units and executive management to determine priorities. Backlogs of these fixes can grow very long, especially as the system gets older.
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