Experience with IPC technology within App Groups

At Sportmaster, it is relevant to automate routine operations: inventory, updating price tags, collecting and issuing online store orders, and so on. For this purpose, so-called MRM (mobile workplace) applications are used on iPods, expandable with specialized cases. These mini iOS-applications had to be linked to work with a common database and exchange data with each other. Of all the technologies IPC (inter-process communication) was chosen. The presented code examples together with comments will be a good guide on this poorly covered topic on the runet.