What is Layers in Axapta 2012 and Why layer concept in ax

Layers in Axapta

It holds all elements that are displayed in the AOT

Total 8 application layers are available, all layers are a hierarchy of levels in the application, 

and application modification and deletion are not interfering in the next lower level

Current level application modification are overshadow to the element on a lower level

Only top level version of an application element used when application is compiled

Below layers available to Customer and Partners

Usp    User layer for specific functionality and customization                         

Usr  

                                 

Cup                       

Cus Customer Layer    

 

Below layers available to partners and independent software vendor (ISV)

Vap  value added reseller layer – customized solution, developed by VAR’s

Var                        

Isp  independent software vendor layer

Isv

Slp  Solution layer, Microsoft endorsed industry solution

Sln

Below layers available from Microsoft to deliver base application

Fpp  Feature pack layer, control by Microsoft

Fpk

Glp  Globalization layer, developed for some countries

Gls

Syp  System layer, lowest layer where STD application developed, includes core application

Sys

Layers are benefits in terms of

Protection of source code

It keeps separate from modification

On Sys, GLS and FPK layers only Microsoft dynamics ax development team can work