The NS-3 simulator tries to mimic as close as possible the journey of a packet through the IP-stack’s layers. Passing the packet from one layer to the next one is done through Callbacks or functions which access the packet. In this way, NS-3’s callbacks are taking successively control over the packet, which remains static.
In Carmesh, we are looking at different networking solutions for delivering services to cars, mainly in an urban enviroment. One connectivity solution is wireless mesh networks. One critical aspect of Wireless Mesh Networks (as well as other networks) is routing. That is the focus of this post.