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# CARemoteLayerServer

A legacy class for cross-process rendering.

```
class CARemoteLayerServer
```

## Overview

`CARemoteLaterServer` is a legacy class for cross-process rendering. <doc://com.apple.documentation/documentation/IOSurface/IOSurfaceCreateMachPort(_:)> and <doc://com.apple.documentation/documentation/IOSurface/IOSurfaceCreateXPCObject(_:)>, available with <doc://com.apple.documentation/documentation/IOSurface/IOSurface>, offer an improved way to perform cross-process rendering.

## Topics

### Creating a Server

[`serverPort`](/documentation/QuartzCore/CARemoteLayerServer/serverPort)

The port number of the server.

### Getting a Server Instance

[`shared()`](/documentation/QuartzCore/CARemoteLayerServer/shared())

Returns the (singleton) instance of the shared remote layer server.


---

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