# rules should be exported to. Currently only one value can be provided in this list. This value
    # should be one of the following two options:
    # * implies these objects are visible to all namespaces, enabling any sidecar to talk to any other sidecar.
    # . implies these objects are visible to only to sidecars in the same namespace, or if imported as a Sidecar.egress.host
    defaultConfigVisibilitySettings: []

    # rules should be exported to. Currently only one value can be provided in this list. This value
    # should be one of the following two options:
    # * implies these objects are visible to all namespaces, enabling any sidecar to talk to any other sidecar.
    # . implies these objects are visible to only to sidecars in the same namespace, or if imported as a Sidecar.egress.host
    defaultConfigVisibilitySettings: []

The install is organized in 'environments' - each environment consists of a set of components
in different namespaces that are configured to work together. Regardless of 'environment',
workloads can talk with each other and obey the Istio configuration resources, but each environment
can use different Istio versions and different configuration defaults.

#### Framed protocols

Framed protocols like http/2 don't lend themselves to blocking APIs. Each application-layer thread wants to do blocking I/O for a specific stream, but the streams are multiplexed on the socket. You can't just talk to the socket, you need to cooperate with the other application-layer threads that you're sharing it with.

	return makeBucketLocal(ctx, bucket, opts)
}

func (l localPeerS3Client) DeleteBucket(ctx context.Context, bucket string, opts DeleteBucketOptions) error {
	return deleteBucketLocal(ctx, bucket, opts)
}

// client to talk to peer Nodes.
type remotePeerS3Client struct {
	node  Node
	pools []int

	// Function that returns the grid connection for this peer when initialized.
	// Will return nil if the grid connection is not initialized yet.

func registerBootstrapRESTHandlers(gm *grid.Manager) {
	server := &bootstrapRESTServer{}
	logger.FatalIf(serverVerifyHandler.Register(gm, server.VerifyHandler), "unable to register handler")
}

// client to talk to bootstrap NEndpoints.
type bootstrapRESTClient struct {
	gridConn *grid.Connection
}

// Verify function verifies the server config.

   policy enforcement and telemetry recording/reporting
   functions.

  > Note: The service mesh is not an overlay network. It
  > simplifies and enhances how microservices in an application talk to each
  > other over the network provided by the underlying platform.

- **Istiod** - The Istio control plane. It provides service discovery, configuration and certificate management. It consists of the following sub-components:

The cashier gives you the number of your turn.

<img src="/img/async/concurrent-burgers/concurrent-burgers-04.png" class="illustration">

While you are waiting, you go with your crush and pick a table, you sit and talk with your crush for a long time (as your burgers are very fancy and take some time to prepare).

    mountMtlsCerts: false

    multiCluster:
      # Set to true to connect two kubernetes clusters via their respective
      # ingressgateway services when pods in each cluster cannot directly
      # talk to one another. All clusters should be using Istio mTLS and must
      # have a shared root CA for this model to work.
      enabled: false

On the other side, there are thousands of users in the chat systems, so there's a high chance you'll find someone to talk to there, almost all the time. 😄

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