connect(this, SIGNAL(bufferUpdated(BufferInfo)),
_networkModel, SLOT(bufferUpdated(BufferInfo)));
connect(this, SIGNAL(networkRemoved(NetworkId)),
_networkModel, SLOT(networkRemoved(NetworkId)));
_bufferModel = new BufferModel(_networkModel);
connect(this, SIGNAL(bufferUpdated(BufferInfo)),
_networkModel, SLOT(bufferUpdated(BufferInfo)));
connect(this, SIGNAL(networkRemoved(NetworkId)),
_networkModel, SLOT(networkRemoved(NetworkId)));
_bufferModel = new BufferModel(_networkModel);