1. Illustration of Littles law Littles law states that

2. Lets study development of three softwares A, B & C Work capacity for the threee projects is limited by available resources. Each phase is done by a different team. And one teams resources only allow working on one project at a time. A B C Conception phase Team #1 Development phase Team #2 Validation phase Team #3 These are the 3 softwares to develop

3. Lets study development of three softwares A, B & C All three softwares are being developed without defined priority. Work is being done on the software whose client shouts the loudest at any given moment in time. Sounds familiar? A B C Conception phase Team #1 Development phase Team #2 Validation phase Team #3 Software B made available at t B Software C made available at t C The three softwares are developed using a defined priority: first A, then B, then C. Software A made available at t A' Software B made available at t B Software C made available at t C t t Software A made available at t A tAtA tBtB tCtC tAtA tBtB tCtC A B C tAtA tBtB tCtC Work capacity for the threee projects is limited by available resources. Each phase is done by a different team. And one teams resources only allow working on one project at a time.

4. Comments, anyone? Illustration of Little's law by Nicolas STAMPF, Stéphane LESAGE is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License. Based on a work at appreciatingsystems.free.fr.Nicolas STAMPF, Stéphane LESAGECreative Commons Attribution-ShareAlike 3.0 Unported Licenseappreciatingsystems.free.fr