week 4 Reyna The Shift from Local Networks to Cloud-Based Infrastructure

 Understanding the Shift from Local Networks to Cloud-Based Infrastructure

Transitioning from a local physical network to a cloud-based network brings significant changes in how resources are accessed, managed, and secured. One of the most important concepts to grasp is the shared responsibility model. In traditional networks, the organization manages everything—from hardware to application security. In the cloud, however, the cloud service provider (CSP) handles the infrastructure, while the customer is responsible for data, identity, and configuration. Additionally, cloud networking introduces software-defined networking (SDN), which enables greater flexibility in traffic management and policy enforcement. Businesses must also consider network latency, bandwidth costs, and access controls when designing cloud architectures. These factors directly impact performance and security and must be evaluated carefully before migration. While the cloud offers scalability and efficiency, organizations must re-engineer their network strategies to maintain visibility, ensure compliance, and protect data across a more dynamic environment.

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