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Serverless Architecture

What does Serverless Architecture entail and how does it work?

Serverless architecture is a method of developing and deploying apps and services without having to worry about the infrastructure. It’s a way of describing the services, techniques, and methodologies that enable you to design more agile applications and respond to change more quickly. Your application runs on servers, and server maintenance is handled by a third party so you can focus on building code that serves your clients. You don’t need to scale or maintain servers to run your apps, databases, or storage systems at this stage.

Serverless Architecture Software Types


Function-as-a-Service refers to Framework-as-a-Service, or FaaS, which is a hybrid of Software-as-a-Service and Platform-as-a-Service in the area of pre-bundled services.

This model simply deploys your code, which the server then executes. Developers do not need to be concerned about the hosting environment. It can deliver templates that can be customized. Containers are used in FaaS to prepare applications for rapid deployment across all platforms.

FaaS benefits from increased proficiency because organizations spend fewer resources on the rapid development of usages.


Backend-as-a-Service (or BaaS) is a serverless solution similar to FaaS. This paradigm aids in backend development automation and cloud framework management. The frontend communicates with the backend using an API. Notification, user management, authentication, a flexible database, and an API are all features of BaaS.

Here’s a quick way to see BaaS: Consider the following scenario: your organization is building an app to link employees with crucial information. You can build the structure of the app in-house and outsource the functionality. Backend features include cloud storage access, synchronization, and social collaboration.

The ability of a corporation to provide backend services that connect a flexible application to the cloud is referred to as BaaS.

Why do we need a serverless architecture?

Following the challenges of the previous year, it’s worth thinking about what serverless architecture may offer a company and why it should be implemented.

Here are a few reasons why Serverless Architecture is a good idea:

Why Serverless

A firm can benefit from serverless architecture.

It outlines a strategy for keeping the company’s focus on itself and its main application. As a result, you won’t have to worry about staffing a team of framework developers, platform engineers, administrators, and so on; instead, the application team can hold the hosts accountable for everything else.

Serverless reduces costs and speeds up delivery. Pricing is determined by the true cost of assets used by the application. The development cost of BaaS is lower, whereas the scaling cost of FaaS is lower.

  • Completely managed services

Instead of managing servers, concentrate on your business logic while avoiding administrative duties. With serverless architecture, you can simply deploy your code and have it run with high availability.

  • Scalability that is adaptable

In a couple of seconds, serverless computing may expand from zero to tens of thousands of concurrent tasks.

  • Pay only for the resources that you actually use

You simply have to pay for the duration of your code’s validity. Because it is event-driven, resources are allocated as soon as an event occurs.

  • Increases Developers’ productivity

The Microsoft serverless platform does more than just abstract server architecture; it also provides tools that help developers get the most out of their time.

  • Establish smooth relationships.

Combine valuable and complementary elements from a number of sources to create modern apps.

  • Develop intelligent softwares.

Allow for the usage of Machine Learning and Cognitive Services in your serverless logic or code.

Advantages and disadvantages

One of the most powerful arguments in favor of this technology is the growing number of companies that are switching to serverless apps. Nothing, however, is ever one-sided. Here are some benefits and drawbacks of serverless architecture.


Serverless architecture provides the following benefits:

The challenges associated with operating framework and application server management, configuration, and maintenance are eliminated when servers are deliberated.

  • The goal was to make DevOps less painful.
  • Programmable adaptability with no limits.
  • Concentrate on the business logic of the application rather than the infrastructure.
  • The product-centric strategy is the way to go.
  • Pay solely for the running code.


There are a couple of flaws to consider:

  • When choosing a service, consider vendor lock-in or examine before you leap.
  • After adoption, switching to another service may be difficult.
  • Issues with third-party APIs, such as serverless architecture security and privacy problems, as well as unanticipated modifications or updates.
  • Architectural complexity and execution flaws
  • Debugging and testing

Serverless architecture isn’t always the best choice for high-performance, sophisticated application development because of the above-mentioned limitations.

Serverless providers:

Listed the serverless providers for reference


Serverless apps remove you from the constraints, and limits imposed by servers. It enables you to develop faster and focus your development efforts on the elements that distinguish your app. Alongside provides further serverless capabilities, allowing you to build applications that are robust, event-driven, dependable, secure, and cost-effective.

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