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software development · maintenance · process modeling

Post-Release Support and Maintenance

Type IDEF0 function modelStandard FIPS PUB 183 (1993)Engine schematex-idef0Updated 7/22/2026
Post-Release Support and Maintenance
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The scenario

This diagram models the post-release phase of a software product, focusing on handling customer issues and continuously improving support knowledge.

What is in this drawing

Read the decisions behind it.

01Used four functions to represent distinct stages

receive, diagnose, deploy, and update knowledge.

02

Knowledge base feedback loop from A4 to A2.control to reflect continuous improvement.

03

Multiple outputs from A2 (to A3 and A4) to show parallel flows for resolution and knowledge capture.

Reuse for any software or service post-release support lifecycle, especially when feedback loops from incident resolution to knowledge base are present.

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