Protocol Architecture
As mentioned, the USB model is preserved, and generally minor adjustments made to fit the specific needs of a wireless system. The changes are as follows, from top to bottom:
- The function layer only suffers minor changes to increase efficiency and support isochronism.
- The device layer includes wireless-oriented security and device management features.
- The bus layer does not change its functionality, but is substantially adapted for efficiency and security on wireless networks.
Read more about this topic: Certified Wireless USB
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“It seems a fantastic paradox, but it is nevertheless a most important truth, that no architecture can be truly noble which is not imperfect.”
—John Ruskin (1819–1900)