Following are cons of using AS3
- Additional overhead of mainting the AS3 rpm during f5 TMOS upgrades and also test the compatibility of the as3 rpm with the TMOS version
- Due to imperarive model of AS3 , config pushes are slower in comparsion to using a REST API. As AS3 deploys the whole configuration on a tenant as opposed to changing only a specifc attribute in the JSON payload.
- there is no AS3 JSON available for deploying payloads for F5 ASM and APM, but the REST API has API's to work with both ASM and APM
I would use REST API over AS3 anyday!!!