NSX Micro Segmentation with vRA
http://virtualinsanity.com/index.php/2016/04/24/automate-nsx-micro-segmentation-with-vra-7-part-1/
http://virtualinsanity.com/index.php/2016/04/24/automate-nsx-micro-segmentation-with-vra-7-part-2/
http://virtualinsanity.com/index.php/2016/05/22/troubleshoot-nsx-firewall-rules-for-your-vra-7-blueprints/

vRA 6 NSX Integration:
http://dailyhypervisor.com/vrealize-automation-vcac-6-1-nsx-6-1-creating-nsx-reservations/
http://dailyhypervisor.com/vrealize-automation-vcac-6-1-nsx6-1-routed-network-profiles/
http://dailyhypervisor.com/vrealize-automation-vcac-6-1-external-network-profiles/
http://dailyhypervisor.com/vrealize-autoamtion-vcac-6-1-creating-a-one-to-one-nat-network-profile/
http://dailyhypervisor.com/vrealize-automation-vcac-6-1-creating-a-one-to-many-nat-network-profile/
http://dailyhypervisor.com/vrealize-automation-vcac-6-1-creating-a-private-network-profile/
http://dailyhypervisor.com/vrealize-automation-vcac-6-1-nsx-6-1-creating-a-multi-machine-blueprint-wnsx-routed-gateway-support/