TLS overhead - netsekure rng

Every so often I get the question – “What is the overhead incurred by using TLS?”. Strangely enough, I couldn’t find a straight answer by doing some searching on the web, so let’s explore the answer. The TLS handshake has multiple variations, but let’s pick the most common one – anonymous client and authenticated server (the connections browsers use most of the time). As per the TLS standard the h