Ever wonder what the 7-layer open system interconnect (OSI) network model is all about? This two-part technical article at EEdesign.com is meant to demystify the OSI model, once and for all. Quoting from the introduction . . .

“For many in the communication industry, the open system interconnect (OSI) network model is a simply a stack. But, designers shouldn't be so quick to diminish the value that the OSI model provides to the networking sector. While appearing to be simply a stack on the surface, this model is a well-designed, layered architecture for efficient intersystem and intrasystem communication.”

“In this two-part series, we'll provide a different view of the OSI model, showing how the layers are interconnected and what protocol services are available at each level. In Part 1, we'll provide a general overview of OSI and then examine Layers 5 to 7 of the stack. In Part 2, we'll examine Layers 4 to 1 as well as some non-layer items such as network-aware bootloaders . . .”

 
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