Description: Upstream Services are fundamental components in cloud architecture that allow services to provide data or resources to other services in a cloud environment. These services act as intermediaries, facilitating communication and information exchange between different applications and systems. In a multi-cloud context, upstream services enable the integration of resources from multiple cloud providers, thus optimizing flexibility and scalability. In a hybrid cloud, these services help connect on-premises environments with cloud resources, allowing for more efficient management of data and applications. Additionally, in microservices-based architectures, upstream services are essential for the orchestration and interaction between microservices, ensuring that each component can communicate effectively and efficiently. The ability of these services to adapt to different environments and needs makes them a key piece in the digital transformation strategy of organizations, allowing for greater agility and responsiveness to market demands.