Someone who is standing still can dodge easier than someone who is moving, this is REAL LIFE. The misconception that if someone is running away they are harder to hit is incorrect, you just adjust your aim. Watch some American football and see when the running backs are the most evasive. You will notice it is when they are stopped or at low speeds, not full sprints.
Back to viable solutions that make sense, rather than server and sync based catastrophes. Increase the CC tools available to melee professions. This includes pet professions and their Melee pets. There, done, balanced. What more do we need? Give melee controlled opportunities to keep within range of another player (yes even /follow will work on a snared opponent) and there will be few needed complaints.
Anything else involving range and melee involves PROFESSION toolsets and should not be screwed up with odd game-wide changes.