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Re: Designing an experiment to gather evidence onapproaches to

• From: cbullard@hiwaay.net
• To: "Costello, Roger L." <costello@mitre.org>
• Date: Wed, 28 Dec 2011 11:01:28 -0600

Available skills given both sets of tools are available and in current  
use by the enterprise,

Doesn't the Java code imply most of this is a matter of framework  
speed and applicability (the ease with which the framework component  
is applied to the problem)?

len


Quoting "Costello, Roger L." <costello@mitre.org>:

> Hi Folks,
>
> Perhaps you have heard this statement:
>
>      Make decisions based on evidence.
>
> That seems pretty obvious right?
>
> But if there is no evidence, how does one make decisions?
>
> Clearly one should seek to gather evidence.
>
> Consider making a decision for which of these approaches to follow  
> in implementing web services:
>
>     (a) Do everything in XML: process all inbound and
>           outbound data using  the XML technologies
>           such as XML Schema, XSLT/XPath, XQuery, and XProc.
>          Use little, if any, imperative code (Java, C#, C++, etc.),
>          and where it is used, it is used only as glue for the XML
>          technologies.
>
>     (b) Do everything in code: immediately extract all inbound
>           data into  imperative code data structures and do all
>           processing in code. For outbound data keep the data in
>           code as long as possible; generate XML only when ready
>           to release the data.
>
> There is no evidence to support one approach or the other. There are  
> anecdotes, but that's not evidence.
>
> Suppose one were to design an experiment with the objective of  
> gathering useful evidence concerning the above two approaches.
>
> What evidence would one seek to gather?
>
> Here are a couple ideas:
>
> 1. Source Lines of Code (SLOC): how many lines of code do each  
> approaches require to perform the same task.
>
> 2. Performance: what is the response time between inbound data and  
> the resulting outbound data?
>
> What else?
>
> /Roger
>
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• References:
  • Designing an experiment to gather evidence on approaches todesigning web services
    • From: "Costello, Roger L." <costello@mitre.org>