iso 7-layer dip

The ISO 7-layer model for telecoms is alive and well 30 years on… in the connected car

James MacTavish Blog

Everyone has heard of the 7-layer dip shown in the picture above but only die-hards in the telecoms industry will have heard of the mysterious “ISO 7-layer model” for telecommunications networking. As an apprentice in 1985 I was one of the first students to be taught the 7-layer model (in the days when there was no internet, no TCP/IP, no …