e445a04e__Investing_in_New_IT___BizTech__Consideration
Switches should have two separate power supplies (less important in edge devices than top-of-rack) and should support hot swapping of components that commonly fail. [Why They're Important] Switch CPUs rarely fail, absent a lightning strike or improperly grounded connection, but power and cooling components are less reliable. Planning for their inevitable failure and minimizing recovery time keeps networks running smoothly. [Consideration] 
Redundancy and reparability
S t a c k a b i l i t y
D e n s i t y
U p l i n k
R e l i a b i l i t y a n d t o p o l o g y h e a l i n g
R e d u n d a n c y a n d r e p a r a b i l i t y
L i n k a g g r e g a t i o n
Router and Switch Features to Consider When Investing in New IT — BizTech
Consideration