In this chapter, you learned that Istio is a very feature-rich open source service mesh project that uses adapters to integrate with external telemetry, authentication, authorization systems. As we have seen, the four main categories of Istio are Traffic Management, Security, Policies, and Telemetry, all of which are covered in detail in their own chapters.
Istio's architecture of Pilot, Mixer, Galley, and Citadel forms a control plane, while the proxies attached to the service pods form the data plane, which provides a complete service mesh with a separation between development and operations. The Istio service mesh is a very powerful tool in the hands of the SRE team and is used to control traffic, manage security, implement policies, and observe the service mesh.
Pilot, as its name suggests, is the main navigator for the Envoy engines and steers the application...