 be enforced based on new signals that the mesh produces.</p></li><li><p><strong>Portability</strong>. The ecosystem in which Istio will be used varies along many dimensions. Istio must run on any cloud or on-prem environment with minimal effort. The 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 Unif