As I mentioned at the beginning of this chapter, cloud computing first rose to prominence in the IT industry in 2008, at
least with suppliers and the media, just as a financial crisis stunned the world, and I wrote about...
Public cloud computing is often touted as an environmentally friendly or ‘green’ alternative to businesses owning their own IT infrastructures, but there are arguments for and against this claim. Sharing resources and commuting less must be a good thing,...
What differences can cloud computing make to the day-today running of your business? Firstly it can make much of IT someone else’s problem so you can focus on core business, and secondly it affords ‘business beyond buildings’.
Someone else’s problem
The...
Making the economic case for cloud computing is not simple because you need to compare accurately the total cost of
owning your current systems (if any) with replacements in the cloud, and be able to predict confidently the expected return
on...
The financial benefits of cloud computing are most clear cut for public clouds, where computing resources are acquired
as a utility service on demand from external providers, as described in Chapter 1. This business model means that IT can be...
I see, therefore, great potential for cloud computing applications to help Europe’s businesses into the true ICT age, at lower costs compared to traditional IT company solutions.
Viviane Reding, EU Commissioner for Information Society and Media, November 2009
Towards the...
The particular cloud computing technologies you choose (if any) depend on your working practices, your business size, your current IT systems and the skills of your internal staff. All these points will be covered in later chapters, but
here are...
Businesses vary greatly in size, sector and maturity, and they can have very different IT requirements. Chapter 4 provides
a selection of real-life case studies for Software, Platform and Infrastructure as a Service (SaaS, PaaS and IaaS); but Table 1.1...
If there is some debate about the four deployment models then there is general agreement among IT professionals, if not marketing executives, that the following situations do not constitute cloud computing:
renting dedicated server hardware in a data centre for...
Many industry experts dispute the validity of the four deployment models in the NIST definition framework, which are discussed below; that is, public clouds, community clouds, private clouds and hybrid clouds. For them only public clouds are true clouds,...