3. Context and scope

Business context

flowchart LR
    subgraph Clients
        WEB[Web mapping applications]
        SIG[Desktop GIS clients]
        API[Automated processing]
    end
    subgraph Platform
        GS[GeoServer ×N<br/>WMS · WMTS · WFS · WCS · WPS]
        ING[Ingestion service]
    end
    subgraph Storage
        DB[(TimescaleDB + PostGIS<br/>GeoServer catalog · vectors · granule index)]
        S3[(S3<br/>rasters · tile cache)]
    end
    subgraph Sources
        NWP[Weather models]
        SAT[Satellite imagery]
        VEC[Vector feeds]
        BASE[External basemaps]
    end
    WEB & SIG & API --> GS
    GS <--> DB
    GS <--> S3
    NWP & SAT --> ING
    ING --> S3
    ING --> DB
    VEC --> DB
    BASE -.cascade.-> GS

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Technical context

Interface	Protocol	Direction
Clients → GeoServer	HTTP/HTTPS, OGC services	inbound
GeoServer → database	JDBC via JNDI (Tomcat)	outbound
GeoServer → S3	S3 API (HTTPS)	outbound
Ingestion → S3 / database	S3 API, SQL	outbound
GeoServer ↔ GeoServer	configuration propagation (see chapter 8)	internal

Out of scope

• Production of the source data (model execution, satellite reception).
• Client applications.