Nowadays Fiber Optic has become to an unavoidable part of the computer networks, & in most of the small & average & almost in all of the big networks, fiber optic is used in the main line. But the idea of "all fiber" network, a network which all the communications in its structure is based on fiber optic, is such an idea which has its own pros and cons. But what the "ALL FIBER NETWORK" really is? In a campus LAN network, 3 kinds of communication can be considered, First: communication between the main nodes or the buildings which doubtlessly uses the fiber optic. Second: the communication between the floors of a building (vertical com.) which in many cases also uses the fiber optic.Third: the inner communication in...  Read More