lication layer, such as token validation. Network Policy is universal, highly efficient, and isolated from the pods, making it ideal for applying policy in support of network security goals. Furthermore, having policy that operates at different layers of the network stack is a really good thing as it gives each layer specific context without commingling of state and allows separation of responsibility.</p><p>This post is based on the three part blog series by Spike Curtis, one of the Istio team members at T