To further its support for its self-named ‘fog’ of devices, Cisco has acquired ParStream, a German start-up that specializes in software to handle big data processing at the network edge. No price has been given, but ParStream has secured $14m in venture funding since its 2011 launch. The firm emerged from Cisco’s Entrepreneurs in Residence program, which aims to develop start-ups, and it looks like Cisco has been keeping tabs on the company. ParStream has also developed micro-servers (called EdgeBoxAnalytics) to run its software. Customers can place these at the source of the data for quicker performance – especially important for industrial applications that can’t depend on a low latency internet connection for near-real time processing. ParStream’s Big Data PaaS…