What are some cloud computing advantages?

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·        High availability: Depending on the service-level agreement (SLA) that you choose, your cloud-based apps can provide a continuous user experience with no apparent downtime, even when things go wrong.

·        Scalability: Apps in the cloud can scale vertically and horizontally:

o   Scale vertically to increase compute capacity by adding RAM or CPUs to a virtual machine.

o   Scaling horizontally increases compute capacity by adding instances of resources, such as adding VMs to the configuration.

·        Elasticity: You can configure cloud-based apps to take advantage of autoscaling, so your apps always have the resources they need.

·        Agility: Deploy and configure cloud-based resources quickly as your app requirements change.

·        Geo-distribution: You can deploy apps and data to regional datacenters around the globe, thereby ensuring that your customers always have the best performance in their region.

·        Disaster recovery: By taking advantage of cloud-based backup services, data replication, and geo-distribution, you can deploy your apps with the confidence that comes from knowing that your data is safe in the event of disaster.

Capital expenses vs. operating expenses

There are two different types of expenses that you should consider:

·        Capital Expenditure (CapEx) is the up-front spending of money on physical infrastructure, and then deducting that up-front expense over time. The up-front cost from CapEx has a value that reduces over time.

·        Operational Expenditure (OpEx) is spending money on services or products now, and being billed for them now. You can deduct this expense in the same year you spend it. There is no up-front cost, as you pay for a service or product as you use it.

In other words, when Tailwind Traders owns its infrastructure, it buys equipment that goes onto its balance sheets as assets. Because a capital investment was made, accountants categorize this transaction as a CapEx. Over time, to account for the assets' limited useful lifespan, assets are depreciated or amortized.

Cloud services, on the other hand, are categorized as an OpEx, because of their consumption model. There's no asset for Tailwind Traders to amortize, and its cloud service provider (Azure) manages the costs that are associated with the purchase and lifespan of the physical equipment. As a result, OpEx has a direct impact on net profit, taxable income, and the associated expenses on the balance sheet.

To summarize, CapEx requires significant up-front financial costs, as well as ongoing maintenance and support expenditures. By contrast, OpEx is a consumption-based model, so Tailwind Traders is only responsible for the cost of the computing resources that it uses.

Cloud computing is a consumption-based model

Cloud service providers operate on a consumption-based model, which means that end users only pay for the resources that they use. Whatever they use is what they pay for.

A consumption-based model has many benefits, including:

·        No upfront costs.

·        No need to purchase and manage costly infrastructure that users might not use to its fullest.

·        The ability to pay for additional resources when they are needed.

·        The ability to stop paying for resources that are no longer needed.

 

 

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