Initial testing was carried out using the Cooja11 tool for Contiki. A multi hop network was created comprising of
a mix of Z1 and sky nodes with and without support for delay tolerance. This network was connected using a SLIP
interface to a Linux border router which was running the Python DTN code. Several of the nodes were programmed
with a DTN enabled UDP responder which would be used as the target for the test communications. The network
traffic was then extracted for analysis by feeding the cooja radio logs into the wireshark packet capture and analysis
tool.