%% Marketing Cloud Next reference architecture
%% Reference architecture: a reusable pattern, not a live client integration
flowchart TB
  subgraph z0["Salesforce Platform and Data 360"]
    streams["Data streams and DMOs<br/>ingest and map"]
    unify["Unified profiles<br/>identity resolution"]
    consent["Consent DMOs<br/>contact points, subscriptions"]
    seg["Segments and audiences<br/>built on Data 360"]
    camp["Campaigns and flows<br/>on the Salesforce Platform"]
    agents["Marketing agents<br/>statuses vary"]
    pers["Salesforce Personalization<br/>add-on"]
  end
  subgraph z1["Marketing Cloud Engagement (if retained)"]
    mce["Marketing Cloud Engagement<br/>if retained"]
  end
  crm["Salesforce CRM<br/>Sales and Service Cloud"]
  web["Web and mobile<br/>Interactions SDK"]
  ext["External data<br/>warehouse, files, APIs"]
  email["Email<br/>Einstein features per channel"]
  sms["SMS and WhatsApp<br/>messaging credits"]
  app["Mobile app messaging<br/>Advanced Edition"]
  pref["Preference pages<br/>consent capture"]
  intel["Marketing analytics<br/>Intelligence+ if licensed"]
  crm -->|"CRM connector"| streams
  web -->|"consented events"| streams
  ext -->|"connectors and zero copy"| streams
  streams -->|"mapped DMOs"| unify
  pref -.->|"preference changes"| consent
  unify -->|"unified individuals"| seg
  consent -->|"send-time consent check"| camp
  seg -->|"audiences"| camp
  agents -->|"drafts for review"| camp
  pers -->|"recommendations"| email
  camp -->|"email sends"| email
  camp -->|"messaging sends"| sms
  camp -->|"app messages"| app
  seg -->|"batch activation"| mce
  email -.->|"engagement data"| intel
  email -.->|"engagement data"| streams
  classDef salesforce stroke:#125BD8,fill:#e8f0fd
  class crm salesforce
  classDef data stroke:#2f8a3a,fill:#e9f6ea
  class streams,unify,seg,intel data
  classDef engagement stroke:#5747AF,fill:#efedfa
  class camp,pers,mce engagement
  classDef ai stroke:#5747AF,fill:#f6f4fd
  class agents ai
  classDef security stroke:#1f2937,fill:#f3f4f6
  class consent security
  classDef channel stroke:#2f8a3a,fill:#ffffff
  class web,email,sms,app,pref channel
  classDef external stroke:#64748b,fill:#ffffff
  class ext external