Notes and Other Strategies:
Note: Tickets in bank account has a time-stamp associated with it, and
will expire after getting certain age.
Strategy: Manager could force some compensation if t_i >= T_i on all
the nodes before adjustment, and some classes have high balance in
their accounts.  Manager could allocate a reasonable amount of tickets
as in option 2 above, then normalize so that t_I gets equal to T_i.
 Strategy: Some class on some node may choose to reserve some
tickets for its use on this same node in the near future, but not deposit
them in the bank. We'll check this option.