What is serverless computing in simple terms?
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5 min read Mar 7, 2024

What is serverless computing in simple terms?

Serverless computing is considered to be the process of creating backend solutions on an as-used basis. It provides an opportunity for the potential user to write and deploy the code without worrying about the underlying infrastructure. The business using the backend solutions from the serverless vendor gets charged, depending on the computation. Though it is coined the name serverless technology, physical servers are used on a wide scale. However, the majority of the developers are not completely aware of it.

In the past, physical hardware was necessary to execute the server to create the web app. It used to be a pricey and cumbersome process. After this, cloud computing came into existence, where a specific server space amount and fixed server count are rented remotely.

What is serverless computing in simple terms?

Serverless computing happens to be the cloud architecture, which provides an ideal choice for the business enterprise to seek on-demand access to resources, catering to their needs. Thus, the potential customers make payment for the specific resources they are using only. Henceforth, the resources do not get allocated to the app while it is not in use.

Speaking of serverless application modernization, the cloud service provider manages the code execution server completely. The potential customers of the service provider do not need to carry the hassles of creating and deploying the specific underlying infrastructure, which is traditionally necessary to execute the programs and apps. The prerequisite goal of serverless computing is that it makes it easy for different serverless software developers to develop the code that is meant to execute on cloud platforms and execute the clearly defined role.

Serverless architecture overview

Serverless computing is different from various cloud computing models in a way that the cloud service provider takes responsibility for managing the cloud infrastructure and application scaling. The serverless applications get deployed in the containers, which release them on demand, catering to their needs.

Speaking of the serverless application development architecture, the applications are released, catering to the needs. As the event triggers application code to execute, the public code service provider allocates different resources for the specific code dynamically. Thus, the potential user will stop paying as soon as the code completes execution. Apart from the efficiency and cost benefits, serverless technology frees the developers from different menial and routine tasks related to server provisioning and application scaling.

By choosing the serverless architecture, different routine tasks, like file system, operating system management, load balancing, security patches, logging, scaling, capacity management, and monitoring, get uploaded to the cloud service provider. Thus, you can create a serverless application made of traditional, partially microservice components and partially serverless components.

Benefits of serverless computing

Serverless for startups provides a bunch of benefits, which include:

Reduced costs

Serverless computing is regarded as an expensive process. It eradicates the requirements for the expensive underlying hardware and cloud architecture. Thus, the potential consumers make payment for the resources, catering to their needs. Thus, they ensure that you do not need to spend ample money on the pricey license fees for different services that are no longer in use.

Improved and enhanced time for production

Choosing the serverless architecture provides a suitable option for the developers to decrease the total time necessary to bring specific apps to market. Regular app development is equipped with complicated processes that provide time to fix errors and bugs. Thus, they make sure that the latest features remain secure.

 Implementing the serverless development model has become the need of the hour as it decreases the total number of steps to test, deploy, and conceive the code. It provides an opportunity for the developers to add and edit the code faster in real time. Due to this, the time needed for the app to go into production from scratch is reduced from months to several days.

Simplified backend code

Serverless computing allows the developers to make use of the simplified backend code, which executes the singular objective, like making the prerequisite code for APIs or application programming interfaces.

Simplified scalability

The developers using the serverless architecture do not need to worry about the policies that define the code scaling. The cloud service provider boasts a serverless architecture that manages and handles different scaling-on-demand aspects.

Enhanced security

Serverless computing restricts the developers to using the code in a serverless context. It indicates that the developers can create code that meets government protocols, security, and the best practices of the best enterprise.

Enhanced productivity

Serverless computing allows developers to remove the requirements and concentrate on different time-consuming problems, such as housekeeping, bootstrapping, and environmental matters. Thus, they can focus on creating the code and scaling apps.

Infrastructure management

The serverless technology decreases the requirements for the developers to describe the infrastructure necessary for the provisioning of the provision, thereby allowing the adoption of DevOps.

Streamlining the application development

Serverless computing integrates whole components from different 3rd-party BaaS offerings, thereby streamlining application development.

The shared responsibility model

Compliance and security happen to be shared responsibilities between the customer and AWS. Such a shared model provides relief to the customer from the operational burden since AWS is responsible for the components control, management, and operation from the virtualization layer and host operating system to the facility’s physical security.

Speaking of standard serverless computing, the applications get hosted within the public cloud. Thus, the faster advancements in different cloud computing technologies help create an environment for the survival of serverless computing.

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