19 APPLICATIONS, VIRTUAL MACHINES AND CONTAINERS

The book is not really the container for the book. The book itself is the narrative. It's the thing that people create.

Jeff Bezos, Founder of Amazon, Interview with Fortune, 29 June 2010

Just as applications themselves are evolving, the way that organisations and cloud providers package and deliver applications is also going through change. The need to provision software through full installation via running a batch, an executable file or other approach is passing. The use of specifically packaged, almost-ready-to-run systems based on VMs and containers is quickly taking over. In this chapter, I look at the strengths and weaknesses of the main approaches now coming to the fore.

THE DIFFERENCES ...

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