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Enterprises should adapt the architectural principles to include the delivery of multicloud capabilities and operations to control their applications. Functional focus areas should address the hyperscalers and on-premise infrastructure, whereas strategic principles should address the capabilities and selection criteria for multicloud services.
The architecture described in Figure 3 represents some of the fundamental building blocks of a multicloud system. A lego style architecture provides the ability to offer each block as a service and create multiple services by stitching multiple blocks together.
Note: The white paper does not address the building blocks of the multicloud system, such as IaaS, CaaS, DaaS, DevOps, and others.
The invisible building block is the Integration Services. These represent the micro-services, the digital building blocks layer at the front of reusable modern code that can increase digital development and deployment speed. Adoption of microservices and their encapsulated functions will lead to a reduction in the cycles of code development and can introduce defects. It also increases platform mobility and scalability. Combining a lego-style architecture and a microservices-enabled architecture will open new paths for legacy IT integration and phase them out when required.