Naming Convention for Cadence Library

Hi all,

I need some help on the convention naming of cadence library.

(1) I have found that some companies use only lower case letter (small letter word) to name their Library Name, Cell Name, Schematic Name. Any reason?

(2) How about the Port-name and Net-name inside the Schematic?

I've heard that the wrong naming (eg:mixing upper case and lower case letter) will results in shorting in net, but do not sure where its happen (layout netlist? extracted netlist? versim or synthesis nelist? or etc.).

Thanks up-front.

regards,
chu