“Think left and think right and think low and think high. Oh, the thinks you can think up if only you try!”
As OSS architects, we often find ourselves drawing network diagrams and customer service diagrams don’t we?
When you draw such drawings, do you tend to draw the customer infrastructure on the left and the core network on the right, or vice versa? Or perhaps even top to bottom or vice versa?
I’ve noticed that the long-term, carrier network guys tend to start with the core network or carrier exchange (at the left or top), then draw out the network towards the customer premises. It makes sense. The network has always been the centre of their universe.
Conversely, services guys tend to draw the customer at the left or top then draw the circuit/service propagating towards the carrier network or core. To them, the customer is where it all starts.
This direction bias is sometimes so ingrained that it actually takes some people quite a bit of extra brain-power to interpret a drawing that is opposite to their natural way of thinking; to do a horizontal flip in their mind.
If you get the chance, take note of the way your audience deciphers network diagrams. Align to their thinking if you want to persuade or educate. Afterall, the confused mind says no.
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