One of the many trends in the field of IT is the topic of virtualization. In Chapter 6, Wireless and Cloud Technologies, we spoke about cloud computing and provided an overview of the benefits and the various models. The terms cloud computing and virtualization are quite closely related. Without virtualization, the concept of cloud computing and its delivery would be a huge challenge for cloud engineers.
Another important topic is Wide Area Network (WAN). Have your ever wondered how a telecommunications provider is able to connect an organization's remote offices, be they located in the same country or on another continent? In this chapter, we will definitely be focusing on the various types of WAN technologies that Internet Service Providers (ISPs) utilize for services for either the home or the business subscriber.
In this chapter...