© Jonathan Bartlett 2019
Jonathan BartlettBuilding Scalable PHP Web Applications Using the Cloudhttps://doi.org/10.1007/978-1-4842-5212-3_2

2. What Is the Cloud

Jonathan Bartlett
Tulsa, OK, USA
There is a little bit of confusion over what it is to “be in the cloud.” Some people even mistakenly think that just being on the Internet is utilizing cloud technology.
The essential difference between cloud technology and other types of Internet hosting is that a cloud service offers at least the ability to scale your application quickly. Historically, developers would deploy their web application to fixed servers that they purchased or leased at a specific facility. It was possible to get more equipment, but this always involved quite a bit of time ...

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