21. The system of claim 20 , wherein the generating of the at least one data sequence comprises: generating a first respective data set that includes first respective device event data; generating a second respective data set that includes second respective state information; and forming a first data sequence to include the first respective data set and the second respective data set.
21. The system of claim 20 , wherein the generating of the at least one data sequence comprises: generating a first respective data set that includes first respective device event data; generating a second respective data set that includes second respective state information; and forming a first data sequence to include the first respective data set and the second respective data set. 22. The system of claim 21 , wherein the generating of the first respective data set includes forming the first respective data set to include identification data of the source device, the identification data including data identifying the source device.