Network evolution when
introducing VDSL2
Going forward, the introduction of VDSL2
technology will account for only a small
part of the fundamental changes affecting
network architecture. Today, the lion’s
share of installed access lines is situated in
central office environments. Likewise, the
average length of existing copper loops is
well beyond the “sweet spot” for deriving
added value from VDSL2. Many operators
have thus already started to consider fiber
deeper into the access network – for example,
fiber to the node (FTTN) and fiber to
the curb (FTTC) – shortening the length
of copper loops to less than 1500 meters.