| Package | Description | 
|---|---|
| io.netty.channel.socket | Abstract TCP and UDP socket interfaces which extend the core channel API. | 
| io.netty.channel.socket.nio | NIO-based socket channel
 API implementation - recommended for a large number of connections (>= 1000). | 
| io.netty.resolver.dns | An alternative to Java's built-in domain name lookup mechanism that resolves a domain name asynchronously,
 which supports the queries of an arbitrary DNS record type as well. | 
| Modifier and Type | Method and Description | 
|---|---|
| static InternetProtocolFamily | InternetProtocolFamily. valueOf(String name)Returns the enum constant of this type with the specified name. | 
| static InternetProtocolFamily[] | InternetProtocolFamily. values()Returns an array containing the constants of this enum type, in
the order they are declared. | 
| Constructor and Description | 
|---|
| NioDatagramChannel(InternetProtocolFamily ipFamily)Create a new instance using the given  InternetProtocolFamily. | 
| NioDatagramChannel(SelectorProvider provider,
                  InternetProtocolFamily ipFamily)Create a new instance using the given  SelectorProviderandInternetProtocolFamily. | 
| Modifier and Type | Method and Description | 
|---|---|
| List<InternetProtocolFamily> | DnsNameResolver. resolveAddressTypes()Returns the list of the protocol families of the address resolved by  SimpleNameResolver.resolve(SocketAddress)in the order of preference. | 
| Modifier and Type | Method and Description | 
|---|---|
| DnsNameResolver | DnsNameResolver. setResolveAddressTypes(InternetProtocolFamily... resolveAddressTypes)Sets the list of the protocol families of the address resolved by  SimpleNameResolver.resolve(SocketAddress). | 
| Modifier and Type | Method and Description | 
|---|---|
| DnsNameResolver | DnsNameResolver. setResolveAddressTypes(Iterable<InternetProtocolFamily> resolveAddressTypes)Sets the list of the protocol families of the address resolved by  SimpleNameResolver.resolve(SocketAddress). | 
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