This chapter covers the following exam topics:
2.0. Basic data center networking concepts
2.1. Compare and contrast the OSI and the TCP/IP models
The TCP/IP network layer (Layer 3) defines how to deliver IP packets over the entire trip, from the original device that creates the packet to the device that needs to receive the packet. That process requires cooperation between several different jobs and concepts on a number of devices.
This chapter begins with an overview of all these cooperating functions, and then it dives into more detail about each area. These areas include IP routing, IP addressing, and IP routing protocols, all of which play a vital role in data center networks.
IP addressing ...