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What is Pay-As-You-Go Cloud Computing?

Pay-As-You-Go cloud computing is one of many cloud pricing models that provides the most flexibility for clients that need on-demand infrastructure.

In this article, we will dig deeper into what defines this pricing model, its benefits, challenges, and drawbacks.

Summary

Here’s a quick summary of Pay-As-You-Go computing is below.

  • Pay-As-You-Go or Pay-Per-Use cloud computing is a flexible pricing model where businesses only pay for the computing resources as they consume it.
  • The key characteristics of the Pay-As-You-Go model include on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service.
  • Benefits of this model include the ability to utilize a wide range of compute hardware with minimum commitment.
  • Challenges and drawbacks include potential high costs for baseline workloads, waiting on boot times, and risk there is no actual cloud capacity when you need it.

What is Pay-As-You-Go Cloud Computing?

Pay-As-You-Go cloud computing is a pricing model where users pay only for the computing resources they consume, rather than a fixed reservation or pre-paid model. This model offers flexibility by allowing companies to scale their usage based on demand, optimizing flexibility. Resources such as compute time  are billed based on actual usage, similar to utilities like electricity.

For organizations with fluctuating workloads, such as those in engineering or simulation fields, Pay-As-You-Go models provide the most flexible approach enabling engineering teams that have sufficient CAE licenses to allocate the type of hardware they need at the moment they need it, which is great for short term projects or unexpected demand.

Advantages of The Pay-As-You-Go Model in Cloud Computing

To advantages of the Pay-As-You-Go model include

On-Demand Self-Service

On-demand self-service is a fundamental characteristic of the Pay-As-You-Go model. The user selects the compute capacity they require, and if the cloud provider has sufficient capacity the compute is powered on and off automatically to run the job, billing only for the compute time used.

Enable Low Cost Disaster Recovery

For clients that have on-prem HPC and want to have a low cost disaster recovery and overflow option, an on-demand HPC cluster can offer a low cost insurance policy against an on-prem cluster failure that can be turned on on-demand in the case of a disaster.

No Long-Term Commitment

For clients that are not sure of their HPC needs, an on-demand model can be setup at low commitment to gain experience and knowledge on HPC requirements without any large investment or commitment.

Benefits of The Pay-Per-Use (PPU)  Model with TotalCAE

Here’s a summary of the benefits of the PPU model with TotalCAE

Ease of Use

TotalCAE offers a convenient web and command interfaces that engineers can use to easily manage their compute workloads. It handles all the complexity of selecting the right resources, making sure there are sufficient CAE licenses,  turning on and off the nodes, getting data to and from the cloud, and running the job.

At TotalCAE,. our solutions help reduce the barrier of entry for those without specialized technical skills, allowing a broader range of users to efficiently utilize the cloud and the full potential of the Pay-As-You-Go model without being an IT expert.

Learn more about our Cloud HPC Solutions.

Cost Efficiency for Unforseen Demand

The Pay-As-You-Go cloud computing model allows businesses to pay only for the resources they actually use, eliminating the need for large upfront investments in hardware for occasional overflow work or unforeseen demand.  By aligning costs with actual consumption, companies can optimize their budgets and avoid paying for capacity they are unsure they will need.

For users of the TotalCAE platform, ease of use is further enhanced by its comprehensive set of features and tools designed for efficient billing and cost management. The platform provides straightforward options for tracking and analyzing usage, making it simple to manage expenses and optimize resource allocation.

Scalability

Scalability means that businesses can rapidly increase or decrease their resource allocation to accommodate changes in workload or operational needs. This means that companies can handle sudden spikes in demand or scale back during quieter periods, optimizing their resource usage. Additionally, most cloud providers serve most regions, helping businesses who have global engineering teams put HPC resources closer to the engineers.

Operational Efficiency

TotalCAE handles all aspects of cloud infrastructure maintenance, including TotalCAE platform upgrades, CAE software updates, operating system updates,  and HPC scheduler updates. The cloud provider hosting the infrastructure takes care of the physical compute hardware  This means that businesses using TotalCAE are relieved from the day-to-day IT  tasks associated with maintaining HPC  systems, allowing them to allocate resources and efforts toward other critical business objectives and tasks.

Challenges & Drawbacks of the PPU Model

As seen before, the Pay-As-You-Go model in cloud computing has many benefits, but it also has a few challenges and possible drawbacks to keep in mind.

1. Unexpected Costs, Management, & Monitoring

While the PPU cloud computing model offers many advantages, it is not always the most cost-effective option for every scenario. In fact, some of TotalCAE’s clients have found that the PPU model can be more expensive than anticipated, particularly for High-Performance Computing needs with consistent, steady workloads.

A useful analogy is comparing the PPU model to using Uber for daily commutes versus owning a car.

For occasional trips, Uber can be a convenient and cost-effective choice. However, if you rely on Uber frequently, the cumulative costs may surpass what you would spend on owning and maintaining a car.  Similarly, for businesses with regular, predictable computing demands, the PPU model can become more expensive than investing in on-premises infrastructure or a hybrid approach.

You can learn more by visiting our Blog Post on: When Pay Per Use Cloud Is The Most Expensive Option.

Cost management and monitoring also present significant challenges. Managing usage, tracking spending, and optimizing resource allocation require careful attention to avoid unexpected costs. At TotalCAE, we emphasize the importance of robust monitoring tools and strategic planning to ensure that cloud expenditures align with budgetary goals and usage patterns.

2. Security & Compliance

In this model, the responsibility for safeguarding data and maintaining regulatory compliance is shared between the cloud provider and the customer. Cloud providers typically manage the security of the underlying infrastructure, including physical data centers, hardware, and core network security. They implement various security measures, such as encryption, firewalls, and access controls, to protect the cloud environment.

However, customers retain responsibility for securing their own data, applications, and access within the cloud environment. This includes configuring security settings, managing user permissions, and ensuring that data is handled in compliance with relevant regulations and industry standards.

3. Cloud Skills & Expertise

Transitioning to cloud-based solutions can be complex and requires a solid understanding of cloud technologies, architecture, and management practices. Organizations may need to invest in training for their IT staff or hire new talent with specific cloud skills. This includes knowledge of cloud infrastructure, service management, security protocols, and more. For this reason, many clients that have on-prem HPC teams engage TotalCAE to rapidly deploy a best-in-class cloud capability in their cloud subscription.

Pay-As-You-Go vs Other Pricing Options

Here’s a quick comparison between the Pay-As-You-Go model in cloud computing vs other pricing options.

Cloud Reserved Instances and Savings Plans

Reserved Instances and Savings Plans are  cloud pricing model that allows businesses to commit to using a specific amount of computing resources over a set period, typically one or three years, in exchange for a discounted rate compared to the Pay-As-You-Go model. This pricing option is ideal for organizations with predictable, steady workloads, as it offers significant cost savings for long-term commitments.

On-Premises Buy or Lease

On-premises infrastructure refers to owning or leasing hardware that is physically located and managed within an organization’s own facilities. This option allows businesses to set up and control their own computing environment, which can be similar in capability to cloud-based solutions.

For organizations with steady, predictable workloads, on-premises solutions can offer significant cost savings over the long term when using TotalCAE who will manage,  maintain , and upgrade their on-prem HPC cluster. This includes tasks like software updates, operating system patches, and equipment replacement.

By handling the day-to-day management and maintenance of your infrastructure, TotalCAE allows you to focus on your core operations while still benefiting from the long-term cost savings provided by an on-premises solution.

Learn more about our On-Premises HPC Solutions.

TotalCAE Supported Computing Service Providers That Use the PPU Model

In case you want to adopt cloud computing for your business, here are some of the cloud computing service providers that are supported by TotalCAE’s Bring Your Own Cloud offering.

  1. Amazon Web Services (AWS): AWS provides specialized HPC instances for CAE and CFD and lower latency interconnects for scale out workloads. See our TotalCAE on AWS e-book for more information https://www.totalcae.com/aws/
  1. Microsoft Azure: Microsoft Azure provides InfiniBand connected HPC instances that can run the most demanding CAE and CFD workloads with regions all over the globe. See our TotalCAE on Azure e-book for more information https://www.totalcae.com/azure
  1. Google Cloud Platform (GCP): Google Cloud Platform provides access to a variety of HPC instances that can be utilized for CAE and CFD workloads including the latest Intel technologies. See our TotalCAE on GCP e-book for more information at https://www.totalcae.com/gcp.

Harness The Power of Cloud Computing With TotalCAE

At TotalCAE we offer a range of managed HPC solutions. Our Cloud HPC Solutions are fully managed by our team of experts in your cloud subscription and are designed to help you reduce the complexities of High-Performance Computing cloud management. Our On-Premises HPC Solutions help you maintain a balance between agility, flexibility, and cost, while still being conveniently managed by our experts.

Contact us today to get started or to learn more about our solutions.

Frequently Asked Questions

Learn more about the Pay-As-You-Go cloud computing model.

What Is Pay-As-You-Go in Cloud?

Pay-As-You-Go in cloud computing is a pricing model where users are charged based on the actual amount of cloud resources they consume without any committment.

What Are the Main Considerations When Choosing a Pay-As-You-Go Cloud Provider?

When choosing a Pay-As-You-Go cloud provider, several key considerations should be evaluated to ensure the provider aligns with your business needs:

  1. Services: While cloud infrastructure provide a range of hardware, storage, and networking a managed HPC service like TotalCAE is needed to assemble the entire solution and make it simple to use for hundreds of different applications.
  2. Direct Cost: Most service providers will tax your on-demand usage, TotalCAE does not charge any extra fee based on your compute usage, you pay the direct wholesale cost of your compute usage directly to your cloud provider of choice.
  3. Security: Some solutions require you to run your on-demand cloud in the cloud providers environment, whom you then have to trust. At TotalCAE we run in your cloud subscription, utilizing your own security and IT policies so you can have complete control and visibility into your security and control of your data.
  4. Integration: TotalCAE runs in your companies cloud subscription, which makes it easy and flexible to utilize other corporate IT resources such as license servers, cloud desktops, backups, and other solutions. TotalCAE is an extension of your existing IT capabilities with our Bring Your Own Cloud *BYOC” offering for hundreds of applications.
  5. Flexibility: TotalCAE enables you to run hundreds of applicactions with a single platform, deploy once and have flexibility to choose any workloads to run on your cloud. TotalCAE offers a single pane of glass which makes it easy to migrate to other clouds or on-prem, without any change in workflow for end users.