Information Technology Reference
In-Depth Information
A project management plan (Tollgate 2 through Tollgate 5) with a schedule
and a test plan.
A team member staffing plan.
TG “3”—Stage 3 Exit Criteria
Assessment that the conceptual development plan and cost will satisfy the
customer base.
Decision that the software design represents an economic opportunity (if
appropriate).
Verification that adequate funding will be available to perform preliminary
design.
Identification of the tollgate keeper and the appropriate staff.
An action plan to continue the flow-down of the design functional require-
ments.
Stage 4: Preliminary Design
Stage 4 Entrance Criteria
Closure of Tollgate 3: Approval of the gate keeper is obtained
Flow-down of system functional, performance, and operating requirements to
subprocesses and steps (components)
Documented design data package with configuration management
7
at the
lowest level of control
Development-to-production operations transition plan published and, in ef-
fect,
Subprocesses (steps) functionality, performance, and operating requirements
are verified
Development testing objectives are completed under nominal operating con-
ditions
Design parametric variations are tested under critical operating conditions
Tests might not use the intended operational production processes
Design, performance, and operating transfer functions
Reports documenting the design analyses as appropriate
A procurement strategy (if applicable)
Make/buy decision
Sourcing (if applicable)
Risk assessment
TG “4”—Stage 4 Exit Criteria
Acceptance of the selected software solution/design
Agreement that the design is likely to satisfy all design requirements
Agreement to proceed with the next stage of the selected software solution/
design
7
A systematic approach to define design configurations and to manage the change process.
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