Intent-based networking | Network World

In campus networking, there are a number of emerging trends impacting the way networks will be modeled in the future. These arising trends include mobility, Internet of Things (IoT), and uniformed security across the wired and wireless connections.

To be in tune with these trends, a new era of networking is required that enforces policy-based automation from the edge of the network to public and private clouds using an intent-based paradigm. An example of such would be SD-Access.

Intent-based networking is all about informing the controller about the end goal and allowing the controller-based network to figure out the low-level device and configuration details. This is similar to how the general packet radio service (GPRS) works. The user inputs a destination and the software calculates the best route, taking into consideration the parameters abstracted from the user.

Intent-based networks satisfy a number of elements ranging from access control to quality of service (QoS). For example, an administrator wants to make sure that a lighting device is restricted to communicate outside its segment or apply the best possible quality of service (QoS) configurations to the CEO group regardless of where they are located.

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