Cisco SDN (ACI) DDoS Attacks Detection

[netbeginner]

Dear All, 

Would like to know and understand - How DDoS attacks has been identified in Cisco ACI (towards controlles). Is there any inbuilt feature in Cisco ACI to detect and prevent the DDoS attacks.

Regards

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[netbeginner]

Dear Experts, 

Please reply or suggest if DDoS detection feature if inbuilt in Cisco ACI or not.

[netbeginner]

Hi All, 

Any other Thoughts ....welcome.....