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+++ title = "Mental Model" date = 2019-08-14T10:48:24+01:00 draft = false image = "" comments = false # set false to hide Disqus share = true # set false to hide share buttons author = "Mike" weight = 700

[menu.main] Name = "Mental Model" identifier = "Mental Model" parent = "cloud" +++

We can think of Cloud services in three levels:

  • Service - a fully managed service, the easiest to use, but the least configurable, provides [Serverless]({{< ref "Serverless" >}}) offerings
  • Platform - a semi-managed approach providing wizards, lots of configuration options for common use cases, but not complete control, often on a [PaaS]({{< ref "PaaS" >}})
  • Infrastructure - building what you need yourself from [IaaS]({{< ref "IaaS" >}}), total control, but hardest to use

{{< figure src="/images/cloud_model.png" alt="Cloud Mental Model" class="img-800-center">}}

We can apply these levels to different aspects of Cloud computing such as compute, storage, AI etc. Generally speaking, using the higher-level offerings at the Service and Platform level will be quicker and easier than building everything up yourself from the [Infrastructure]({{< ref "IaaS" >}}) level.

When solving problems with cloud computing, start at the top, and only work downwards if you really have to. Start by asking:

  • What native cloud service does this for me?
  • What marketplace/serverless solution does this for me?
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