Release It!, 2nd Edition

Networking in the Data Center and the Cloud

Networking in the data center and the cloud takes more than opening a socket. These networks incorporate more redundancy and security than desktop networks. Add in a layer or two of virtualization, and applications and services can behave very differently than they do in the safe confines of the IDE. They require some additional work to behave properly in this environment.

NICs and Names

One of the great misunderstandings in networking is about the hostname of a machine. That’s because hostname can be defined in two distinct ways. First, a hostname is the name an operating system uses to identify itself. This is what you see when you run the “hostname” command. The administrator of the machine can ...