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The following visualisation shows on a high level all Deployment models of 
. While many abominations exist, the four most commonly used patterns are linked above.
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Deploying can be done over the four key models outlined above. But all of them basically involve ~4 layers that must be coordinated.
Landscape - who provides the underlying foundations for infrastructure, identities, their governance and audit logging, conditional access etc.
Infrastructure (sometimes called resources) - who provides the infrastructure itself, virtual machines, database servers and the sorts.
Workload (Configurations) - who provides the necessary workloads or their configurations that are needed to run
successfully.- , the product itself - it is always Unique who provides that
A small exception to this is the Software Development Kit (SDK) where clients can extend for their logic.
For all these layers it's not only relevant who sets them up initially but also who maintains them on the long run.
High-level responsibilities
More clear responsibilities must be defined in the more elaborate models and you can find more information in the linked sections.
Layer / Tenant | PaaS | single tenant | customer-managed tenant | on-premise or 1-machine |
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Product | RAC: Unique I: Clients | [a collection of container images, RAC: Unique I: Clients | ||
Workloads | [ Workload configurations RAC: Unique I: Clients | [ Workload configurations RACI: to be defined | [ Workload configurations RACI: to be defined | |
Infrastructure | [ Unique provisions all necessary infrastructure to run the workloads ahead. Unique maintains and pays the infrastructure up front. RAC: Unique I: Clients | [choice of customer, By agreement with the customer either Unique (charged by effort) or the customer provisions and maintains the infrastructure. The infrastructure is directly paid by the customer. RACI: to be defined | [unclear, choice by customer] The customer provisions and maintains the “infrastructure”. Unique can advise or provision the infrastructure (charged separately by effort) but cannot maintain it as it is by definition out of reach. | |
Landscape | Unique operates the Azure AD tenant, implements policies and processes on it, manages users and roles and guarantees its security. RAC: Unique I: Clients | The customer operates the tenant, implements policies and processes on it, manages users and roles and guarantees its security. | The customer provides a runtime or orchestrator. The on-premise landscape is fully operated, governed and controlled by the customer and Unique will only advise (charged by effort) | |
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A: Accountable, R: Responsible, C: Consulted (billed by effort), I: Informed
[remarks in the square brackets] are technology choices. You can learn more about them in https://unique-ch.atlassian.net/wiki/spaces/PUB/pages/436536544.
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