| Package | Description | 
|---|---|
| io.netty.channel | The core channel API which is asynchronous and event-driven abstraction of
 various transports such as a
 NIO Channel. | 
| io.netty.channel.epoll | Optimized transport for linux which uses EPOLL Edge-Triggered Mode
 for maximal performance. | 
| io.netty.channel.kqueue | BSD specific transport. | 
| io.netty.channel.rxtx | A serial and parallel port communication transport based on RXTX. | 
| io.netty.channel.sctp | Abstract SCTP 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.channel.udt | UDT Transport. | 
| io.netty.channel.unix | Unix specific transport. | 
| io.netty.handler.codec.http2 | Handlers for sending and receiving HTTP/2 frames. | 
| io.netty.handler.ssl | |
| io.netty.util | Utility classes used across multiple packages. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ChannelOption<T>A  ChannelOptionallows to configure aChannelConfigin a type-safe
 way. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | EpollChannelOption<T> | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | KQueueChannelOption<T> | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | RxtxChannelOption<T>Deprecated. 
 this transport will be removed in the next major version. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | SctpChannelOption<T>Option for configuring the SCTP transport | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | NioChannelOption<T>Provides  ChannelOptionover a givenSocketOptionwhich is then passed through the underlyingNetworkChannel. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | UdtChannelOption<T>Deprecated. 
 The UDT transport is no longer maintained and will be removed. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | GenericUnixChannelOption<T>A generic socket option. | 
| class  | IntegerUnixChannelOption | 
| class  | RawUnixChannelOption | 
| class  | UnixChannelOption<T> | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | Http2StreamChannelOption<T>ChannelOptions that are specific toHttp2StreamChannels. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | OpenSslContextOption<T> | 
| class  | SslContextOption<T>A  SslContextOptionallows to configure aSslContextin a type-safe
 way. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AbstractConstant<T extends AbstractConstant<T>>Base implementation of  Constant. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AttributeKey<T>Key which can be used to access  Attributeout of theAttributeMap. | 
Copyright © 2008–2025 The Netty Project. All rights reserved.