Since it must be installed manually for distribution I am looking for a download link.https://akaroa.canterbury.ac.nz/akaroa/download.chtml does not contain the Akaroa 2.7.9 dl link anymore for omnet++ system.
Download Akaroa 2.7.9 from: http://www.cosc.canterbury.ac.nz/research/RG/net_sim/simulation_group/akaroa/download.chtml