Intent-Based Networking (IBN) functions by capturing and deploying network policies that align with business intent. The core component involves translating high-level business policies into network behavior, thereby simplifying and automating the management of complex networks.
Policies: In IBN, policies are abstract representations of the operational intent. These are high-level declarations that define the desired state of the network. The system automatically interprets these declarations into actionable network configurations without requiring administrators to manually configure individual network devices. Policies can cover various factors such as performance, security requirements, user access, and compliance regulations.
Telemetry: Telemetry in IBN consistently gathers and measures data from the network. It monitors network performance and resource utilization in real time, providing insight into operations. This data collection is vital in maintaining accountability, as it helps identify whether the network meets the predefined policies and operational standards. Comprehensive telemetry ensures that the network adapts dynamically to actual conditions while maintaining its state as close to the intended as possible.
Feedback: Feedback mechanisms in IBN close the loop by ensuring that the network complies with the specified intents. The system leverages the data provided by telemetry to analyze discrepancies between intended policies and actual behavior. Feedback enables automated adjustments and optimizations, ensuring continuous alignment with the intended state. This iterative loop not only ensures compliance but also enhances the network’s self-healing capabilities, making it more resilient to failures and adaptive to change.
IBN creates a highly responsive network environment where human intervention is minimized, thereby reducing operational complexity and potential for error. Through policies, telemetry, and feedback, it promises a more intelligent and efficient networking model that aligns closely with business objectives.