Good Istio links; IBM post: https://developer.ibm.com/dwblog/2017/istio/?cm_mmc=dw-_-soc...
Project Calico Network Policy Engine: https://www.projectcalico.org/welcoming-istio-to-the-kuberne...
WeaveWorks: https://www.weave.works/docs/tutorials/istio/istio/