Groups such as the Multimedia over Coax Alliance, HomePlug Powerline Alliance, Home Phoneline Networking Alliance, and Quasar Alliance (Plastic Optical Fibre) each advocate their own technologies.
Coax Alliance, HOmePlug Powerline Alliance, Home Phoneline Networking Alliance ve Quasar Alliance üzerindeki çoklu ortam (multimedya) benzeri gruplar her biri kendi teknolojilerini savunurlar.