very detailed and troubling discussion about the scalability problems of the internet.

You see various behavior going on as TCP tries to find out how much bandwidth is available, and (maybe) different kinds of packet drop (e.g. head drop, or tail drop; you can choose which end of the queue to drop from when it fills). Note that any packet drop, whether due to congestion or random packet loss (e.g. to wireless interference) is interpreted as possible congestion, and TCP will then back off how fast to will transmit data.

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