Networking requirement needs a more clear definition

[TheBeachLab]

(ported from former google doc comment).

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Bas: Networking needs to be more clearly defined here.
Like expressing the need to have multiple controllers communicating using addressing. 
Francisco: you mean making ID addressing a mandatory requirement? I am reviewing the video 
aboth at the beginning and at the end where Neil talks about the assignment. He said two processors 
at least to talk and no mention about the ID addressing. Although I remember he made a comment 
about it sometime in the class.
Bas: i have been trying to get Neil to make this more clear. the whole point of networking is that you 
can have multiple processors talk to each other, I2C is networking, SPI (without the chip select) is not.
definitely further discussion required..
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