Die sd

flowchart TB



  %% =========================

  %% On-Premises (Customer)

  %% =========================

  subgraph ONPREM["On-Premises Server (Customer) 👤 — SLA: 🟢"]

    direction TB

    Server["Server (Host)"]

    Gateway["On-premises Data Gateway"]

    SQLDB["SQL Server Database"]

    Server --- Gateway

    Server --- SQLDB

  end



  %% =========================

  %% Power BI Service

  %% =========================

  subgraph PBI["Power BI Service"]

    direction TB



    %% ---- Workspace: Power BI Proxy (Customer-managed) ----

    subgraph ProxyWS["Workspace: Power BI Proxy 👤 — SLA: 🟢 (Customer)"]

      direction TB

      SM1[(Semantic Model: Auslieferung)]

      SM2[(Semantic Model: Electro)]

      SM3[(Semantic Model: Prüfung)]

      RP1[Report: Auslieferung]

      RP2[Report: Electro]

      RP3[Report: Prüfung]

      SM1 --> RP1

      SM2 --> RP2

      SM3 --> RP3

    end



    %% ---- Workspace: Power Partners (Managed by Power Partners) ----

    subgraph PartnersWS["Workspace: Power Partners 🤝 — SLA: 🟢 (Power Partners)"]

      direction TB

      DF1[[Dataflow A]]

      DF2[[Dataflow B]]

      UndefModels["Reports and Semantic Models (unspecified and evolving)"]

      DF1 --> UndefModels

      DF2 --> UndefModels

    end

  end



  %% =========================

  %% Cross-boundary data movement

  %% =========================

  SQLDB --> SM1

  SQLDB --> SM2

  SQLDB --> SM3



  Gateway -.-> DF1

  Gateway -.-> DF2



  %% =========================

  %% Legend (icons & indicators)

  %% =========================

  subgraph Legend["Legend"]

    direction TB

    LEG1["👤 Customer-owned"]

    LEG2["🤝 Power Partners–owned"]

    LEG3["SLA: 🟢 meets target | 🟡 at risk | 🔴 breach"]

    LEG4["Edges: --> direct | -.-> via gateway"]

  end



  %% =========================

  %% Styling

  %% =========================

  classDef customer fill:#e6f4ff,stroke:#2b6cb0,stroke-width:1.2px,color:#0b2e59;

  classDef pp fill:#e8f5e9,stroke:#2e7d32,stroke-width:1.2px,color:#10451d;

  classDef neutral fill:#f5f5f5,stroke:#616161,stroke-width:1px,color:#212121;



  class ONPREM,SQLDB,Gateway,Server,ProxyWS,SM1,SM2,SM3,RP1,RP2,RP3 customer

  class PBI,PartnersWS,DF1,DF2,UndefModels pp

  class Legend neutral