public FutureOperation write(ByteBuffer b) {
		if(reader.getHandler() == null)
			throw new NotYetConnectedException();
		
		FutureOperationImpl future = new FutureOperationImpl();
		SecProxyWriteHandler holder = new SecProxyWriteHandler(this, future);
		reader.getHandler().feedPlainPacket(b, holder);
		return future;
	}