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How to Decide Between Kubernetes and Serverless Platforms

How to Decide Between Kubernetes and Serverless Platforms

Kubernetes and Serverless platforms have benefited organizations in multiple ways by improving agility, scalability and computing performance. While they are used to achieve the same goals, there are distinct advantages and disadvantages of each.

The key to successful deployment of either is to know which fits your requirements best. A comparison between Serverless and Kubernetes platforms can help you decide which one is right for your needs. Here’s a closer look at benefits and features of both.

Serverless platforms may be preferable if:

  • You Have Irregular and Variable Workloads – Serverless platforms can be configured to charge only for the duration when code runs, and therefore, can be more cost-effective with variable workloads.
  • You Want to Get Started Quickly – You can use web tooling services from cloud providers to get Serverless platforms started within minutes. With Kubernetes, you need to first get a public IP address and then deploy your first container. Both are relatively quick processes when compared with buying a server and configuring it to run web services.
  • You Are Looking for Auto-Scalability – Serverless offers inherent auto-scalability while Kubernetes requires some reconfiguration to scale, which makes the process a little slower.

Kubernetes platforms may be preferable if:

  • You Require Complex or Mature Deployment – Kubernetes is ideal for large-scale or complex deployment and is available on all large cloud servers. Serverless is better suited for simple deployment purposes involving single functions.
  • You Want Reliable Response Times – Kubernetes is designed to provide fast responses with minimal latency. Because Serverless platforms usually require a code initialization process, their performance can be slower.
  • You Don’t Want Resource Restrictions – Kubernetes is built to provide high performance computing without resource restrictions. However, Serverless may not work as well on applications requiring more than 512MB of memory.

Kubernetes or Serverless: Choosing the Better Option

Application deployments are constantly evolving and older platforms invariably give way to new ones. However, Kubernetes and Serverless both fill important needs in the market, and the growth of one doesn’t necessarily eliminate the use of the other, especially as Kubernetes becomes a leading open-source option for cloud solutions. Both platforms are cost-effective and developer-friendly. Organizations need to take into consideration costs, performance and scalability before deciding where Kubernetes and Serverless platforms fit for their applications.

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