  Prior Internet designs encompassed the fixed, mobile and lately the things
Internet. In a natural evolution to these, the notion of the Tactile Internet
is emerging which allows one to transmit touch and actuation in real-time. With
voice and data communications driving the designs of the current Internets, the
Tactile Internet will enable haptic communications, which in turn will be a
paradigm shift in how skills and labor are digitally delivered globally. Design
efforts for both the Tactile Internet and the underlying haptic communications
are in its infancy. The aim of this article is thus to review some of the most
stringent design challenges, as well as proposing first avenues for specific
solutions to enable the Tactile Internet revolution.
