Karoo National Park is also known for its connection with the Quagga Project, a project run by Reinhold Rau to bring back an animal that looked and acted as much like the extinct quagga as possible.
Free routing software available for Linux includes BIRD, B.A.T.M.A.N., Quagga and XORP.
Components of the Linux kernel, such as Netfilter or the Linux network scheduler, in conjunction with the available free and open-source routing daemons BIRD, B.A.T.M.A.N., Quagga and XORP fulfill the task very well.