These terms derive from industries predating the Computer Revolution. The full terms
are
more self-explanatory: Prototype Development and Pilot Production. In the Pilot
Production phase the majority of bugs have been removed and a small Production run
results in enough units to attempt a last real-world verification of the unit before
finalizing the Production line hardware, software, processes, etc. Not a big deal in
the
software world but at a big automotive electronics plant (for example) that might
produce hundreds or thousands of automotive control computers PER DAY the Pilot
Production phase is critical.
Priscilla Oppenheimer wrote:
> It sounds like I may have had it backwards in my message, then??
>
> Bottom line: the terms are not used precisely in the real world. We need to
> find out if the questioner just wants to know how to use the terms for the
> DCN test, which is my guess, and then help him with the Cisco DCN viewpoint.
>
> The Cisco Press DCN book just has this confusing thing to say on the topic:
>
> "For larger configurations, a prototype is generally more feasible. For
> smaller configurations, a pilot might be more practical. The decision will
> probably be made on relative costs; the costs for prototyping a portion of
> the network will be relatively small for a larger network. However, if the
> network itself is small, then prototyping it could involve costs that are
> relatively large compared to the total costs of the project, so
> demonstrating basic functionality with a pilot might be more feasible."
>
> Does anyone have any other more useful CCDA books that would answer this
> question? My book has a whole chapter on testing a network design, but I
> didn't address the objective of distinguishing a prototype and pilot, since
> I can't (and I didn't know Cisco expected anyone to. &;-)
>
> Priscilla
>
> At 02:26 PM 12/29/00, Maness, Drew wrote:
> >A pilot is used when you want to prove a minimal amount of functionality.
> >Let say, for security reasons, you want to implement SSH on your routers.
> >You don't need to create a large scale network to test functionality for
> >SSH. All you would do is take one router for each type, plus maybe take
> >into account different IOS images and test the different configurations for
> >SSH. This would be a pilot.
> >
> >A prototype is used when you need to prove a complex amount of functionality
> >and interoperability. Let say you were asked to design a remote access
> >solution for 10,000 sales people all using a small router XYZ connecting to
> >a Core Router of type ZZZ. And you estimate that the Core Router of type ZZZ
> >can handle N number of XYZ routers connecting to them. You also estimate
> >that the company will need to purchase 1,000 ZZZ routers to handle the
> >entire load. A prototype would be a couple of ZZZ routers and the
> >appropriate amount of XYZ routers to test your theory. A prototype is
> >usually a scaled version or modular version of your final design.
> >
> >Also note that the use of a pilot or a prototype is usually driven by the
> >customer requirements. The more the customer requirements want you to prove
> >the more likely you are to use a prototype.
> >
> >In short. A pilot test a minimal amount of functionality. A prototype is
> >usually a scaled version of your design.
> >
> >Hope that helped more than it confused.
> >
> >Drew
> >
> >-----Original Message-----
> >From: Hunt [mailto:[EMAIL PROTECTED]]
> >Sent: Friday, December 29, 2000 1:23 PM
> >To: [EMAIL PROTECTED]
> >Subject: Prototype and Pilot
> >
> >
> >Can anyone please tell me what is the difference between a prototype and a
> >pilot? And when will you use them?
> >
> >Hunt
> >
> >
> >_________________________________
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>
> ________________________
>
> Priscilla Oppenheimer
> http://www.priscilla.com
>
> _________________________________
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