code: protected void loginUdp(PlayerSession playerSession, ChannelBuffer buffer)
  	{
  		InetSocketAddress remoteAdress = NettyUtils.readSocketAddress(buffer);
  		if(null != remoteAdress)
  		{
  			udpSessionRegistry.putSession(remoteAdress, playerSession);
  		}
  	}
docs: This method adds the player session to the
  {@link SessionRegistryService}. The key being the remote udp address of
  the client and the session being the value.
  
  @param playerSession
  @param buffer
  Used to read the remote address of the client which is
  attempting to connect via udp.