A network of fiber optic communication going up to villages in India could serve admirably as the communication medium for smart grid operation.
However the new associated technology to effect it needs to be developed if this has to serve as one composite system to the needs of smart grid.One important part is deviding communication as to prioritize at various levels and this pertains to operation of system elements.However this seems to be within the capability of the Indian Communication Engineers. This will priove to be very cost effective and secure system. The system of cables is being laid to take Internet to all villages.
