How many devices can be configured in a single thread network?

[Akshay D R]

I am working on an application to connect approximately 500 devices in a single network... trying to check if Thread or Mesh is a better option... Please do suggest... 

[Akshay D R]

How can we provision the network at the site? getting all the nodes to same network

[Jørgen Holmefjord]

Have a look at this and this page.