Thanks for your comments on my first EtherGeek post on understanding the OSI Model. I especially enjoyed learning new ways to remember the OSI Model; for example: Please Do Not Throw Stale Pizza Away.

The third layer of the OSI Model, the network layer, is where most network engineers focus their time and expertise. As Darragh commented in my post on the data link layer, Layer 2 is cool but Layer 3 ...

The processing in a network protocol that provides the conversion of codes and formats for the session (if required). The presentation layer is layer 6 of 7 in the OSI model. See TCP/IP and OSI model.