IoT data access design of heterogeneous devices in broad sensing system

In allusion to the Internet of Things (IoT) data access design from variant devices in the broad-sense sensing system, this paper initiates a study on Chukwa, Hadoop, and Hbase. This structural design entails a few implementations: 1. It adopts the hierarchical architecture to balance the system load; 2. An adaptor pattern is employed to match heterogeneous protocols; 3. It supports dynamic access to the sensing network. SNG, SSA, RS data flow diagram, external interface, and data structures are also presented in this paper. With certain extendibility, the system can meet the requirements for local autonomy and Ad-Hoc access.