Intent-based networking is a new paradigm that uses artificial intelligence (AI), network orchestration, and machine learning (ML) to automate network administration tasks. IBN aims to simplify the process of creating, managing, and enforcing network policies, while reducing the human effort required in traditional configuration management.

The key idea behind intent-based networking is to give the network more intelligence and awareness of its desired state. Instead of manually coding and executing individual actions, administrators can express a request to the network, telling it what they want to achieve (their intent).

To verify and fulfill a given intent, intent-based networking systems not only automate tedious tasks and provide real-time visibility into the network's behavior, but also anticipate potential deviations from that intent and recommend the actions needed to ensure that intent. The network becomes more responsive and agile as a result of the increased intelligence, and errors are minimized. Intent-based networking relies heavily on this ability to self-monitor and self-correct.

A network administrator may have various business objectives that need to be implemented into the network configurations, such as improving customer satisfaction, reducing costs, or increasing productivity. With an intent-based network, the network administrator can simply express these objectives in a high-level language, and the network will automatically translate them into the optimal configurations for achieving them. This eliminates the need for manual coding, testing, and debugging of complex network settings. The intent-based network also ensures that the configurations are consistent and aligned with the business objectives at all times.

Intent-based networking (IBN) is a paradigm shift in network management that aims to automate and optimize network operations based on high-level business objectives. IBN has some clear advantages over regular networking and even over software-defined networking (SDN). Most of these advantages translate to a significant time savings:

• IBN reduces human errors and improves network reliability by using declarative policies instead of manual configurations.
• IBN simplifies network design and deployment by abstracting the complexity of underlying devices and protocols.
• IBN enables faster network changes and updates by using continuous validation and verification mechanisms.
• IBN enhances network security and compliance by enforcing consistent policies across the entire network infrastructure.
• IBN supports network innovation and agility by allowing integration with other systems and applications through open APIs and interfaces.

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