uld see a minimal increase in resource costs for the functionality being provided. Components and APIs must all be designed with performance and scale in mind.</p></li><li><p><strong>Incrementality</strong>. As operators and developers become more dependent on the functionality that Istio provides, the system must grow with their needs. While we expect to continue adding new features ourselves, we expect the greatest need will be the ability to extend the policy system, to integrate with other sources of po