Twonet is a large-scale sensor network testbed with dual-radio nodes. Twonet has 100 Opal nodes with lowpower 32-bit ARM CPU and 2.4 GHz and 900 MHz radios. These nodes are managed by a network of 20 Raspberry Pi nodes at tier 2 and a PC server at tier 1. These nodes together provide a robust testbed for public access. Twonet represents a major addition to the collection of wireless sensor network testbeds that are publicly available. We hope Twonet's availability will foster sensor network research based on a modern 32-bit sensor node architecture and multi-channel wireless networking.he research focuses on developing CloudNet, a network protocol emulation platform that leverages the commodity cloud computing service to scale predictable, reliable and reproducible emulations to thousands of nodes.
If you want to know more, go to Twonet Homepage