Everything you wanted to know about modern network congestion control but were perhaps too afraid to ask

In which a little unfairness can be quite beneficial

Systems Approach  It’s hard not to be amazed by the amount of active research on congestion control over the past 30-plus years. From theory to practice, and with more than its fair share of flame wars, the question of how to manage congestion in the network is a technical challenge that resists an optimal solution while offering countless options for incremental improvement.…

from The Register