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Cisco ACI Cookbook by Stuart Fordham

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Understanding ACI and the APIC

ACI is for the data center. It is a fabric (which is just a fancy name for the layout of the components) that can span data centers using OTV or similar overlay technologies, but it is not for the WAN. We can implement a similar level of programmability on our WAN links through APIC-EM (Application Policy Infrastructure Controller Enterprise Module), which uses ISR or ASR series routers along with the APIC-EM virtual machine to control and program them. APIC and APIC-EM are very similar; just the object of their focus is different. APIC-EM is outside the scope of this book, as we will be looking at data center technologies.

The APIC is our frontend. Through this, we can create and manage our policies, manage ...

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