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difference between BLE stack and Mesh stack

hey

I have worked on BLE, and learned the BLE protocol stack. Now i am learning BLE Mesh. I found the Mesh is also having a stack, I could not understand why both the stacks are different even though Mesh uses BLE . Mesh Stack is having different layers like access, model, network, bearer etc. I couldn't understand how data is communicating through these layers, why there is much difference between BLE stack and mesh stack?

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  • Hi Awneil, thats fine, but i have a doubt that why does Nordic Softdevice Controller BLE controller part of Stack does not have mesh support. I have seen in documentation that, for mesh related examples. we must use the Zephyr's BLE controller stack , and Nordic's softdevice controller stack does not support mesh feature? The controller stack has Link layer and PHY layer right, so why is it that way?

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