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# Bonjour

Advertise services for easy discovery on local networks, or discover services advertised by others.

## Topics

### Local Network Services

[`NetService`](/documentation/Foundation/NetService)

A network service that broadcasts its availability using multicast DNS.

[`NetServiceDelegate`](/documentation/Foundation/NetServiceDelegate)

The interface a net service uses to inform its delegate about the state of the service it offers.

  <doc://com.apple.documentation/documentation/BundleResources/Information-Property-List/NSBonjourServices>

  <doc://com.apple.documentation/documentation/BundleResources/Information-Property-List/NSLocalNetworkUsageDescription>

### Service Discovery

[`NetServiceBrowser`](/documentation/Foundation/NetServiceBrowser)

A network service browser that finds published services on a network using multicast DNS.

[`NetServiceBrowserDelegate`](/documentation/Foundation/NetServiceBrowserDelegate)

The interface a net service browser uses to inform a delegate about the state of service discovery.


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