parallel execution of several paths after fork-node

[zeroconf]

hi all,

I'd like do be able to execute several paths after a fork node in parallel - is there any solution for that?

I have the following example in mind:

 start-state
 |
 fork
 ----------------------
 | |
 process1 process2.1
 | |
 | process2.2
 | |
 ----------------------
 join
 |
 end-state

all processes are implemented as ActionHandlers and called via
<action name="xyz.ProcessXY" ..../> within nodes.

process2.1 is a long time consuming process and process2.2 depends
on calculations of process2.1

process1 is a very simple process an takes very short.

Is there any way to start execution of process1 and process2.1 in parallel - are there any
working examples?

By the way I figured out that the fork and join nodes only seems to work correctly if I named the -elements which only is an optional
attribute ??

thanks in advance