How do we consume DRAM in a switch , what are the key functions and how do we quantify the requirements

[binnair]

DRAM use in Cat9K switches , need to understnad , wht is the essence behind the 4G DRAm is this required ? How do we quatify this ,.. 

[Leo Laohoo]

Read THIS.

[Dennis Mink]

Can you provide us with a sh tech yo give it some context. Thanks