They should have Top 8 teams directly qualify for the World Cup The 2 bottom test teams and 6 associate should play a round robin league for qualification. The top 2 from that should qualify. This league should be held in Aus and NZ to make sure that the same conditions are used and no one can cry foul on conditions. Ideally it would be great if this tournament is just held before the cup.
28 matches.
Or they can go for a 12 nation world cup with 4 pools of 3 each and 2 rounds, so that one off wins of Bd over India etc if happen can be negated. Then Top 2 teams from each pools qualify for a round of 8 where each team plays the other.
First Round:- 24 Matches (Finish it in 10 Days, sometimes 3 matches in a day with innovations like
1st Match:- 8 AM to 4 PM
2nd match:- 12 Noon to 8 PM
3rd Match:- 4 PM to 12 Midnight)
Second Round:- 28 Matches:- 25 Days
SF & Finals:- 3 :- 5 Days
Total 55 matches to be finished in 40 days
As per the present Ranking the pools would be
A:-Aus,WI,Neth
B:-Ind,NZ,Zim
C:-SL,Pak,Ire
D:-SA,Eng,BD,