FindFirstPortForProtocol is a utility method to simplify lookup of a port for a given protocol.

GetNodeID returns the envoy metadata ID for pilot's service discovery.

MappedPort provides a single port mapping between an Envoy proxy and its backend application.

PilotAgentFactory is responsible for manufacturing agent.Agent instances which use Pilot for configuration.

Agent is a wrapper around an Envoy proxy that has been configured for a particular backend Application.

Factory is a function that manufactures Agent instances.