Since you are having issues with ACE, Have you considered using Citrix Netscaler with Cisco RISE Integration. I wanted to mention this new feature Automated Policy based Routing(APBR) and RISE(Remote Integrated Service Engine) that is available on Citrix NetScaler which might ease you pain points in configuring services and provides signification OPEX and CAPEX savings when used with a Nexus Series Switches like Nexus 7000.
Here are some details and links
RISE (Remote Integrated Services Engine) is an innovative, industry-first architecture conceived by the Nexus Services engineering team to seamlessly integrate Nexus switches with appliances offering L2/L3/L4-L7 services. RISE makes the service appliance look like a line card in the Nexus 7K series. This integration allows any appliance to take advantage of the benefits of an in-chassis module such as increased application performance, high application availability, and data center consolidation.
Pondering Automation has moved! It is now a part of the standard Cisco blogs in DevNet!
You can find the general blogs here: blogs.cisco.com
And you can find the newest pondering automation here: https://blogs.cisco.com/developer/ponderinga...