You would like to know what exactly is behind the term "Internet of Things"? And also you would like to be informed which protocol is suitable for your application and which routing method or topology your network needs?
Please get all information and answers to your questions here:
White Paper
Welches Datenfunk-Protokoll passt zu meiner Anwendung? - 802.15.4 basierte Funkstandards im Vergleich
App Notes
Welches Datenfunk-Protokoll passt zu meiner Anwendung? - 802.15.4 basierte Funkstandards im Vergleich