Key Characteristic of an ACI Policy Model

ACI Policy Model


What is a key characteristic of an ACI policy model?



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An ACI (Application Centric Infrastructure) policy model is a central concept in Cisco's data center networking approach. It is designed to provide a unified way of managing physical and virtual networking infrastructure, while allowing the application to drive network configuration.

The key characteristic of an ACI policy model is that it separates the logical and concrete domains. The logical domain is the abstraction layer that defines the policies that govern the behavior of the network, while the concrete domain represents the actual physical and virtual resources that make up the network infrastructure. By separating these domains, the policy model allows for greater flexibility in network management, as administrators can modify the logical policies without having to directly configure the underlying physical resources.

Another important characteristic of the ACI policy model is that all configuration is carried out against concrete entities. This means that administrators can configure network policies using high-level abstractions, such as endpoint groups (EPGs) and application profiles, rather than directly configuring individual network elements. This simplifies network management and reduces the risk of misconfiguration.

The ACI policy model also allows for communications with newly connected devices. When a new device is connected to the network, it is automatically detected and classified based on its attributes. This allows the network to adapt to new devices without requiring manual configuration.

Finally, the ACI policy model allows network administrators to configure both logical and physical system resources directly. This means that administrators can use familiar tools and interfaces to manage the network, while still taking advantage of the benefits of a policy-based approach.

Overall, the ACI policy model is designed to provide a flexible and scalable way of managing data center networks, while reducing complexity and minimizing the risk of misconfiguration.