1. https://www.netlab.tkk.fi/opetus/s38130/s98/routers/rou-ting-instability.html.
2. Grady Booch, Object Oriented Analysis and Design with Application, third ed., Addison Wesley.
3. Hossein Hassani, How to do the Projects, first ed., Bookboon.
4. Mahesh Kumar, Shishir Kumar, Analyzing and Improving Network Availability in a Interdomain Routing, doi:https://doi.org/10.1007/s11277-013-1136-6.
5. Delayed internet routing convergence;Labovitz,2000