| Package | Description | 
|---|---|
| io.netty.channel.oio | Old blocking I/O based channel API implementation - recommended for
 a small number of connections (< 1000). | 
| io.netty.channel.rxtx | A serial and parallel port communication transport based on RXTX. | 
| io.netty.channel.socket.oio | Old blocking I/O based socket channel API implementation - recommended for
 a small number of connections (< 1000). | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | OioByteStreamChannelAbstract base class for OIO Channels that are based on streams. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | RxtxChannelA channel to a serial device using the RXTX library. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | OioSocketChannelA  SocketChannelwhich is using Old-Blocking-IO | 
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