'Kesselschlacht' in Aleppo

"... A lack of ammunition re-supply and exhaustion seem the most likely problems for the FSA.
IMO the government will proceed to clear one district after another.  In Damascus they then went house to house looking for their adversaries.
If they follow traditional patterns in a kesselschlacht like this, they will either make a tight cordon around the city to try to intercept fighters leaving the city or leave a corridor through which the enemy can run a "gauntlet of fire" trying to escape.  This latter course of action is always tricky since the enemy may escape in large numbers if the corridor is too wide.  the US Army learned that lesson in 1944 when the Falaise Pocket was insufficiently closed off.  pl"