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    Barry W. Boehm: March 16, 1935 – August 20, 2022 person practices sercuarc.org
    hwayne avatar via hwayne 9 months ago |
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    quad avatar quad 9 months ago | link

    ðŸŠĶ

    The six invariants of spiral model

    1. Define artifacts concurrently
    2. Perform four basic activities in every cycle
    • Get (4) sign off on the (1) identified goals, (2) approaches, and (3) risks therein
    1. Risk determines level of effort
    2. Risk determines degree of details
    3. Use anchor point milestones
    4. Focus on the system and its life cycle