@reya4182 Platform Layer - This is the layer where your application runs. This layer sits on top of the infrastructure layer. The examples are WebSphere App Server, Tomact Web/ App Server. Think it as Kitchen in your home by using which you will cook your food that is your application. Infrastructure Layer - This is the layer on top of which the platform layer runs. The examples are Operating Systems, Network, Subnet etc. Think it as a foundation for your home on top of which you will different rooms including Kitchen.
When it comes to solution architect, the paths are wide and unique. You can pick either infra solutions architect or platform solutions architect or application solutions architect depending on the nature of your work and experience you have around.
