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Depending on the application and fibre type, fibre cabling with transceivers can handle significantly longer distances of up to 10 kilometres. As a result, they can be used in almost any architecture (e.g., 3-tier, complete mesh, leaf-spine) and topology (e.g., ToR, EoR, MoR), even massive hyperscale data centres where switches may be centrally positioned well over 100 meters away from servers.
Fibre cabling with transceivers also enables the use of standards-based structured cabling, which provides the maximum flexibility in deployment and the use of cross-connects or interconnects for better manageability. This is important in multi-tenant colocation data centres where customer and service provider equipment connections must be made outside the meet-me room or customer area. While adding cross-connects or interconnects adds more points of failure, ensuring that quality fibre cable and connectivity (including jumpers) is acquired from recognised vendors with third-party validated standards-based performance increases reliability.
Another major advantage of combining fibre cabling with transceivers is that the fibre may serve numerous generations of applications and does not require replacement—only the transceivers do. Multimode fibre now provides speeds of 10 to 400 Gigabits per second, while singlemode fibre will allow speeds of up to 800 Gigabits per second or more.