On Fri, May 8, 2009 at 10:30 AM, Greg Troxel <[email protected]> wrote:
> Chris Nelson <[email protected]> writes:
>> Greg Troxel wrote:
>
>> As my immediate focus is scheduling but I want to plan for parent/
>> child, I've thought a lot about how to roll-up data from child
>> tickets.  Considier:
>>
>>  * Task A consists of subtasks AA and AB,
>>
>>  * AA takes 16 hours and Arthur is working on it 50% of his time so
>> it'll take 4 days, and
>>
>>  * AB takes 24 hours and Brian is working on it 40% of his time so
>> it'll take 7.5 days,
>>
>> What do the resource allocation and duration of A look like?  A has 40
>> hours work. If AA and AB have no dependencies, the overall duration of
>> A is the longest duration of a subtask (7.5 days).  That's controlled
>> by Brian's effort so if Arthur has to do 16 hours in 7.5 days, or 26%
>> (I think).
>
> I would say that A does not get allocated resources, just AA and AB, and
> A's planned start time is the earlier of AA and AB, and planned end the
> later, and that's that.
> In your example AA will be done in 4 days and
> AB 7.5 so that's A's finish time.
>

I m not sure about how other PMS handle this, but it seems that
distinguishing between simple (atomic) tasks and composite tasks /
activities should be considered ... the limit between what's atomic
and what's not should be left to the project manager or somebody else
in the dev team, enterprise, etc (I mean not to enforce a policy ;)

>
> Scheduling is probably on my list too - just not my immediate problem.
> I don't think there is a conflict between WBS and scheduling.
>

Make them fight ... Naruto-san ! Jiiiaaaa !

... but I am not sure about the conflict ... IMHO (now) it's just
about the way scheduling's carried out. WBS is only about tasks,
activities (compound) and relationships | constraints (e.g. available
resources & allocation, dependencies ...) .

OTH, scheduling is about (planning | estimating) the tasks to do at a
specific time (date) ... I think there's something like this in the
wiki ... isn't it ? Or am I missing something ?

PS: Uffff ! Wiki is more than cool these days ! Congrats !

Now I'm a little bit busy but I'll take a look at IProject* interfaces ... ASAIC

Code! Code! Code! Code! Code! ñam, ñam, ñam,

-- 
Regards,

Olemis.

Blog ES: http://simelo-es.blogspot.com/
Blog EN: http://simelo-en.blogspot.com/

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