Do Reddit discussions suggest that robust preventative measures can significantly shorten the effective duration of a DDoS attack?

Yes, Reddit discussions strongly suggest that robust preventative measures are key to shortening the effective duration of a DDoS attack. Users frequently advise on implementing always-on DDoS protection services, having proper network architecture with sufficient bandwidth, and using WAFs. These measures often mean that an attack is filtered before it even reaches the target's infrastructure, making the 'effective' duration for the target minimal or non-existent, often leading the attacker to cease efforts quickly.