Server vs Serverless Cloud Computing-Comparing Amazon EC2 and AWS Lambda

Image Source:- https://marutitech.com/serverless-architecture-business-computing/

What is Server Cloud Computing?

Cloud Servers are virtual servers that run on Cloud Computing platforms via the Internet in a separate environment. Being one of the most in-demand technology, Cloud Computing has allotted dedicated servers to be used by clients or share the servers among each other. Server Cloud Computing has numerous benefits that include user’s stability, global reach, and low latency. Cloud Servers are deployed in multi Availability Zones (AZs), as a result, the traditional on-prem servers are not able to match the globalization of Cloud Computing.

Cloud Servers are incredibly fast and stable to use, which results in better user experience even if the data is exceedingly large in terms of size. Complete isolation is maintained in the Data Centres which doesn’t lead to any intervention from the environment or other cloud servers. For instance, a website hosted on AWS DNS would launch pretty quickly as compared to being hosted on a local physical server. Cloud servers add the extra benefit of scalability, as a result, the disk space is never under-utilized or over-utilized plus adds the convenient pricing model.

Types of Cloud Servers

Cloud servers are of three different types and they have their specific functionalities that cater to the utilization of the Cloud network. The three different types are as follows:-

Image Source:- https://techiance.net/dedicated-server-or-cloud-hosting-which-one-to-choose/

What is Serverless Computing?

Serverless Cloud architecture is defined as an architecture that mainly incorporates third party services called “Backend as a Service” and includes a customer-defined application code that runs on the “Function as a Service” platform. A serverless architecture makes it easy for developers to access Cloud infrastructure without managing the underlying hypervisor.

Serverless architecture is now appropriately defined as stateless compute containers that are mainly focused on event-driven problems. It eliminates the infrastructure management tasks such as cluster provisioning, patching the underlying OS, maintenance of physical servers, and capacity provisioning. Serverless architecture is extremely popular in the modern days as it gives the developers an extra space to launch their applications without worrying about the agility or the Total Cost of Ownership (TCO). This framework really helps the developers to reclaim that extra time and focus on their core product.

Serverless architectures replace Platform as a Service (PaaS) with Function as a Service (FaaS). Faas lets the backend code of the applications run without managing the servers. It gives the users the advantage of running a piece of code without worrying about the provisioning capacity of the applications.

(For more information on Faas, stay tuned to my upcoming blogs)

Benefits of Serverless Computing

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Detailed comparison of Server and Serverless architecture- Amazon EC2 vs AWS Lambda

Amazon Elastic Compute Cloud (EC2) was introduced to ease the problem of computing resources for Developers and Engineers. It is a server-native platform that is auto-scalable, resilient, and even manages its own underlying hypervisors. The main advantage of using EC2 over traditional on-prem servers is that it reduces the computational load of the developers and has automatic capacity provisioning. It also enables a wide area of support for security and management for the infrastructure. Auto-scaling is also enabled as a result the users do not need to worry about the resources and can focus on their core business needs.

AWS Lambda was launched to replace the server cloud computing with a serverless platform to eliminate the need for infrastructure and server management. Lambda supports the “pay as you go” pricing model as well but unlike EC2, it charges based on the execution time and the memory consumed. AWS Lambda allows the developers to write and publish a token of code without worrying about the server framework or resource management. Lambda was designed to be an event-based service and use Function as a Service rather than focus on Iaas or Paas, which reduced the idle time wasted by the computing resources when not in use.

Image Source:- https://www.simform.com/aws-lambda-vs-ec2/

Amazon EC2 and AWS Lambda differs on certain factors and below are the major differences where the two technologies contradict:-

Image Source:- https://www.cloudhealthtech.com/blog/how-use-lambda-ec2-save-most-money

Key Takeaways

Although server cloud computing and serverless computing have different roles and functionalities, a user is completely responsible for which one to use and it entirely depends on the use case of the application. The various factors that can set the two apart are as follows:-

Summary

Although serverless architecture is extremely preferred by most companies switching to AWS, Amazon EC2 still holds the legacy of deploying an application with full control over the security and providing good user experience. The use of both architecture still prevails in the market and the test cases are a primary factor in considering which one to choose? The different applications of non-identical users make it very complicated and difficult to choose anyone over the other. Thus, the need for both architecture is prevalent and thereby it continues to be an ever-lasting debate to choose server-based or serverless architecture.

References:-

For more articles please stay tuned

Hi, I am a Cloud Developer and Artificial Intelligence Enthusiast, pursuing my B.tech degree in ECE from the SRM Institute of Science and Technology.

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