What advantage do data models provide in a multivendor network environment?

Data models, like YANG, provide a standardized, structured way to describe network device configurations and operational states. In a multivendor environment, this standardization allows network engineers and automation tools to interact with different vendors' devices using a consistent language and structure, regardless of the underlying operating system or CLI. This facilitates a unified approach to configuration and management, simplifying automation and reducing operational complexity. Lowering CPU load is not a direct benefit of data models; security improvements are typically handled by transport protocols, not data models themselves; and data models explicitly define the distinction between configuration and runtime state.