# AS-IS update sequence ```mermaid sequenceDiagram participant N as Network participant U as All_Serv_InstallUpdater participant I as All_Serv_Install U->>N: compare MD5/control-sum data U->>U: delete/copy local installer files U->>I: start local installer Note over U,I: Actual deployed updater entrypoint is INFERRED ``` The updater source performs MD5 comparison and replacement. It was not run and its complete recovery behavior is not established.