Actually there is no multimedia chapter in the 8th edition (which is what I used for this series). Kurose & Ross decided to remove that chapter, since most of the content is obsolete! The relevant bits were moved to Chapter 2 (Applications), since that the layer that deals with multimedia content in today's networks.
where is the best place to setup an IDS? ideally its deployed behind the firewall but which case will require an IDS/IPS be setup infront or before a firewall? also is it feasible to do so? thank you