The big word of the second decade of this century will be "Big data". The affluence of information is growing steadily and exponentially. The demand to access information anywhere from everywhere is unstoppable. In a sheer consequence the information will float around in the internet, eventually every computer in the world will be able to talk to any other computer in the same universe. We are no longer talking about a mere network of computers but of Ultra-Large systems. There are typical use cases for such ultra-large systems are High-performance web shops, information harvesters.