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Philip Sargent
2021-12-20 23:42:57 +00:00
parent f826f7a946
commit 369e8426a2
4 changed files with 44 additions and 9 deletions
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handbook/troggle/trogkill.html
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@@ -38,7 +38,7 @@ nearly half of it is directly relevant to us:
<li>Always discover why previous modernisations failed <em>first</em>.
<li>Spend a lot of time <em>problem setting</em> before you start to think about <em>problem solving</em>.
<li>Working through a major modernisation is all about managing <em>scope</em>.
<li>Code is much easier to write than it is to read. Modernisaton means a lot of <em>code reading</em>.
<li>Code is much easier to write than it is to read. Modernisation means a lot of <em>code reading</em>.
<li>Human beings are absolutely terrible at estimating probabilities and risk. We always under-estimate the amount of work in a rewrite and over-estimate the likelihood of success.
<li>Success does not come all at once. What are the <em>progressive success criteria</em> during the reengineering?
<li>Use <em>Diagnosis, Policy, Actions</em> where there is little consensus about what success looks like.