[Year 12 Its] 2006 exam post mortem

[Kevork Krozian]

Hi David,

Actually there is a difference between phased and "pilot over several steps" 
as I understand it. See http://en.wikipedia.org/wiki/Parallel_adoption
Pilot is running a full new system on a small scale. If it works then direct 
cutover would be likely from there for what is left of the old. If it 
doesn't, then you might wonder about the value of the new system.
Phased by comparison is not a small scale full system but one or more 
functions of the old system being replaced followed by more of the functions 
of the old replaced , followed by further functions of the old replaced 
until all the old is replaced.
Expanding pilot does not equal phased. Pilot has to be a full implementation 
of the new on a small(er) scale.

Best Wishes
Kevork Krozian
Mailing List Creator and Administrator
kevork at edulists.com.au
www.edulists.com.au
Tel: 0419 356 034
----- Original Message ----- 
From: "David Dawson" <dgdawson at mgs.vic.edu.au>
To: "Year 12 Information Technology Systems Teachers' Mailing List" 
<is at edulists.com.au>
Sent: Monday, November 13, 2006 1:20 PM
Subject: RE: [Year 12 Its] 2006 exam post mortem


> Thanks Mark and Kevork for making this exam more easily understood.
> The only thing I might add to this discussion is for the implementation
> strategy mentioned in Section B Qn 13.
> It would seem from the question that the desired answer is "pilot".
> However, when you think about it IMHO a pilot is not an "implementation
> strategy" as after it is tested it still needs to be implemented - and
> if it is used in a small section of a network and then expanded
> throughout - then it is indistinguishable from "phased implementation".
> (I might be shaking the foundations here a little.)
> If a pilot was trialled outside of the system - as a much smaller system
> - it could still be implemented in the real world using a "direct
> cutover" - or in theory, it could be applied in parallel across the
> system - hence it could be "parallel" conversion. Or it can be expanded
> from use in a part of the system - "phased".
> There is nothing in utilising a pilot that determines 'implementation',
> I feel.
> So IMO the answer in this case should probably be either "pilot" or
> "phased" depending on student descriptions.
> David Dawson
>
>
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