e task of porting Istio-based services to new environments should be trivial, and it should be possible to operate a single service deployed into multiple environments (on multiple clouds for redundancy for example) using Istio.</p></li><li><p><strong>Policy Uniformity</strong>. The application of policy to API calls between services provides a great deal of control over mesh behavior, but it can be equally important to apply policies to resources which are not necessarily expressed at the API level. For ex