Whilst I don't have a definitive diagram, the "back of a napkin"
sketches we came up with at an OLS dinner looked like this:
I/O -- A ------ B ---- E ------ G -- I/O
| \/ |
| /\ |
I/O -- C ------ D ---- F ------ H -- I/O
(please excuse my poor artistic skills). That reduces the max
hops from 4 to 3 (if I haven't screwed something up).
M.
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