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AWS Lambda vs EC2: Comparison of AWS Compute Resources

Posted on October 24, 2022 by

Categories: AWS


A recent global survey of 550 users was done by the non-profit Cloud Foundry Foundation, which manages open-source cloud computing initiatives. According to the poll results, 169 respondents, or 31%, already implement a serverless architecture.

When further questioned about their platform of choice, 77% responded with AWS Lambda. Because it makes it easier for businesses to create scalable software and apps than server-based systems, like EC2, AWS Lambda is growing in popularity for serverless application development.

Environment management and provisioning are necessary for EC2. Each EC2 instance runs a virtual replica of every piece of hardware required for an operating system to function, in addition to a full copy of the operating system. AWS Lambda, in contrast, just needs the system resources and dependencies necessary to run a particular program.

You may also generate portable code blocks with AWS Lambda for straightforward development, testing, and deployment. A successful trifecta, there!

If that were the only difference between AWS Lambda and EC2, I would give EC2 the death knell. But it’s far more complicated than either serverless-less or serverless-full.

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Describe AWS Lambda aws ec2.

AWS Lambda is a function-as-a-service cloud computing resource that is available on demand. AWS Lambda has altered the way we design, architect, and operate our apps over time.

The charge for provisioning, use cases, and price distinguish AWS Lambda from other computing resources. Before the development of agile solutions, resource allocation by operations teams relied on forecasting. They needed to make sure that the demands on processing and memory didn’t go beyond what their system was capable of.

Computing resources scale up and down automatically using AWS Lambda in response to real-time needs. Currently, AWS Lambda is utilized as a back-end as a service or within apps in many ways and supports several languages.

AWS Lambda sometimes referred to as serverless architecture, is a beautiful illustration of how the overhead of an operations crew will soon become a thing of the past.

Describe EC2.

AWS’s Amazon Elastic Compute Cloud (EC2) is a virtual cloud infrastructure solution that offers on-demand computing capabilities to create powerful cloud servers.

The scalable instances for computing memory and processing power provided by EC2 are made up of hardware divided into several resources.

Additionally, it offers adaptable choices for hosting your application across several platforms while maintaining high security for multi-model, multi-tenant architecture. Developers may build apps that mimic an on-premise architecture by connecting to these instances over HTTP or HTTPS (API).

You have the option to provision virtual machines using Amazon EC2 to the needs of your applications. Such a service is offered via a utility-based subscription model, in which customers are charged for consuming resources.

  • full manual to make cloud migration simple
  • application serverless migration
  • From EC2 to AWS Lambda: An Evolution

AWS eliminated the administrative burden of managing infrastructure by offering EC2 as IaaS. As a result, features like automated scaling, scheduled provisioning, monitoring, and warning systems driven by CloudWatch, among others, decreased the time needed to assign a server to a tiny percentage.

When EC2 was first introduced, the environment was far more unstable than today, nd succeeded. Sudden outages, multi-tenant models per machine, irregularly scheduled provisioning, and the disappearance of virtual machines were a few of the first problems. As a result of these bugs, several websites were impacted, including Reddit, Foursquare, Rapportive, and Heroku.

Then Elastic Beanstalk (EB) appeared, offering all these features in lovely packaging. The many languages and frameworks EB worked with made it simple for programmers to submit their code to virtual machines via the AWS interface. It spun EC2 instances directly, automatically distributing the load and providing users with a direct interface. Despite this, devOps may still connect to the AWS dashboard and manually adjust or modify the instance allocation.

Organizations were freed from the burden of infrastructure management with the introduction of IaaS. FaaS was developed due to its failure to deliver promised benefits, including provisioning and capacity planning.

The usage of various languages and frameworks and the ability to submit code packages directly to functions were all options with AWS Lambda, much like EB. Lambdas utilize ECS, which cannot be manually configured. However, Lambdas are made accessible by API Gateway, which serves as a URL router for your Lambdas.

Infrastructure Management: AWS Lambda vs. EC2

AWS Lambda: You don’t have to put much effort into setting up a single or several environments. Scaling is totally automated, so you are not required to start up, deploy, or make available containers for your applications.

Someone using an on-demand development environment with containers and orchestration may not find AWS Lambda appealing.

Amazon EC2: When setting up EC2, you must manually install Apache, do a git clone, and log in through SSH. Additionally, you must automate and reproduce the installation and configuration of all necessary applications.

For EC2, there are two types of instances available: standard instances, which serve data about as quickly as our desktop hard drive, and advanced provisioning instances, which serve data considerably more quickly. This requires a lot of effort in comparison.


The manual effort involved in patching and OS updates is abstracted away by AWS Lambda’s serverless architecture. Workflow flexibility is increased by Lambda, but there is also an increase in attack surface. You must consider protecting communication that takes place both within and outside your application.

The fact that functions have such fine granularity is another issue. Monitoring becomes difficult as the number of functions rises, which puts declining functions in danger.

However, given that the functions are stateless, vulnerability breaches are less likely to occur. Because there are no states, malicious agents cannot evolve over time. Additionally, functions are inherently scaleable, providing a solid defense against DDOS attacks. The auto-scaling feature makes protection easier, but it also raises your price.

With Amazon EC2, you are responsible for the security layer at the instance level. The security layer decides and controls the traffic that can communicate with each instance. Each instance may have several security layers that specify the types of inbound communication, such as TCP, UDP, ICMP, etc., that are permitted.

It takes time and involves a lot of trial and error to develop policies with appropriate permissions. This is particularly true if your team is expanding. Managing rights for each distinct business requirement often requires altering policies, which results in an undesired increase in granularity.

This, along with OS patching and system upkeep, is totally handled by AWS when using Lambda.

Regarding DDOS assaults, you can either use alternative AWS Shield services or do it manually by utilizing an ELB to scale under the attack or by restricting the number of requests per minute from a specific id. Security groups and firewalls are undoubtedly present in EC2, but sadly they are insufficient to monitor resource-based traffic.

When an elastic IP address is used, AWS Shield assists in automatically identifying the kind of AWS resource and applying the appropriate DDOS defenses.