ot::net
Classes 
Authenticator
DatagramPacket
DatagramSocket
DatagramSocketImpl
DatagramSocketImplFactory
FtpClient
HttpURLConnection
InetAddress
MulticastSocket
ServerSocket
Socket
SocketDescriptor
SocketImpl
SocketImplFactory
TcpNetworkClient
URL
URLConnection
URLDecoder
URLEncoder
URLStreamHandler
URLStreamHandlerFactory
Exceptions 
BindException
ConnectException
MalformedURLException
NoRouteToHostException
ProtocolException
SocketException
SocketTimeoutException
UnknownHostException