connect(this, SIGNAL(bufferUpdated(Buffer *)),
_networkModel, SLOT(bufferUpdated(Buffer *)));
connect(this, SIGNAL(bufferActivity(Buffer::ActivityLevel, Buffer *)),
connect(this, SIGNAL(bufferUpdated(Buffer *)),
_networkModel, SLOT(bufferUpdated(Buffer *)));
connect(this, SIGNAL(bufferActivity(Buffer::ActivityLevel, Buffer *)),