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SAP / SAP Senior Level (10+ yrs) Interview questions

What is the role of SAP Cloud Connector in a hybrid landscape?

SAP Cloud Connector is the secure gateway component that lets SAP BTP-based cloud applications access on-premise systems without exposing those on-premise systems directly to the public internet — it establishes an outbound-initiated, encrypted tunnel from the on-premise network to BTP, so no inbound firewall ports need to be opened toward the on-premise landscape.

flowchart LR
    A[On-Premise Network] -->|Outbound tunnel initiated| B[SAP Cloud Connector]
    B -->|Secure tunnel| C[SAP BTP]
    C -->|Requests routed through tunnel| A

Architecturally, this is significant because it means the on-premise system's security posture doesn't need to change to support cloud extensions — the connection is always initiated from the trusted, on-premise side outward, rather than requiring the on-premise firewall to accept inbound connections from the public cloud, which many security teams would otherwise be reluctant to approve.

What kind of tunnel does SAP Cloud Connector establish?
Why is this outbound-initiated design significant for security?

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