Through all the layers of the internet, the most essential is the link layer: converting bits to and from signals, detecting errors, flow control, and addressing.

Prolog is a special programming language that is not like many others. It exemplifies the paradigm of logic programming.

Concurrency is a powerful tool to increase performance in applications. This is usually accomplished using threads.

When a host needs to find the best destination/prefix to another host, what routing algorithm does it use? We can use either intra or inter domain.