Trade Off Triangle

Modified on 04/27/2017 10:26 by Administrator Categorized as Best Practices, Role

==Trade Off Triangle==
===Traditional Trade Off Triangle===
Source: MSF 3.0{br}
{| cellpadding="2" border="1"
|- style="background-color: Light Gray;"
|    TOT    || Fixed || Chosen || Adjustable 
|- style="background-color: White;"
| Resources || X ||  || 
|- 
| Schedule  ||  || X || 
|- 
| Features  ||  ||  || X 
|}

In this model the example shows that the resources are known and fixed up front and schedule agreed upon with the client. The feature set is adjustable by the software company.

===Optional Scope Contract===
Source: Kent Beck{br}
The rule here is to allow the client to have control of any two rows and the software company controls the third.
{| cellpadding="2" border="1"
|- style="background-color: Light Gray;"
|    OSC || SP || Client
|- style="background-color: White;"
| Price || X || -  
|- style="background-color: White;"
| Schedule || - || X 
|- 
| Features || - || X 
|}
In this example the client can adjust the time and scope but the software provider controls the price.

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Trade Off Triangle