Meta Leadership Primer: Serverless Architecture
When you like to be on top of the tech industry, serverless is the buzzword that is all over the place. After all, ever since Amazon launched AWS, we can say that this is exactly what the serverless industry and cloud vendors needed.
More than hype, serverless architecture can definitely help many businesses implementing different systems that they would never be able to do on their own.
The truth is that a serverless architecture can be like a dream come true. After all, being relieved from implementing, debugging, maintaining, and monitoring infrastructure and only focusing on the business itself sounds magical.
Where expectations tend to be a lot higher than the reality, it is also important to notice that serverless architecture is truly breaking ground. Besides, it is already being used by many big companies such as Telenor, AOL, Reuters, Netflix, among others. Even though serverless is already conquering its own space, you shouldn’t expect to get rid of all your internal infrastructure just yet.
What Is Serverless?
Serverless is a term that recognizes a particular means to run cloud-based applications, that does not entail handling your very own web server. You produce a feature, location is somewhere on a cloud server, and all you have is an URL to call.
When you call that URL, the function is executed. The cloud provider of choice handles the server, the scaling, the protection. There’s no requirement to stress over, updates or relocating to the following LTS launch of your Linux circulation. Serverless is very practical from the prices design too. Typically, you might rent out a VPS (Digital Personal Server) monthly, and spend for the regular monthly cost no matter of your actual usage. If you have a spike of individuals because somebody shared your internet site in a prominent place, the web server may not have the ability to offer all requests unless you update to a larger web server.
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In a serverless cloud architecture model you spend for demand to your application as well as features as opposed to spending for the web server. If no one is using your service, you have nothing to pay for. If 1,000,000 individuals see your site simultaneously, your application scales because the cloud service provider that manages the functions for you has all the components in position for managing the traffic and instantly place even more resources into your functions. You spend for the resources you use, rather than for some source you could make use of in the future.
When done right, it also shows to be extremely liberating from a psychological point of view for developers servicing jobs by themselves. You are beholden to standard fees for the web server that powers your application, so you are not on call 24⁄7 to take care of any kind of trouble that might occur to it. You don’t have to be a system administrator or Devops professional to run your website or application.
Traditional Architecture Vs. Serverless Architecture
The reality is that for many years, you needed to have your applications to run on servers that you or your IT staff had to update, secure and monitor. With a serverless model, you have only application development/deployment responsibilities. After all, its the job of cloud vendors to manage the rest.
When you are unsure about using a traditional architecture or a serverless architecture, it is important that you consider different aspects before you make your final decision:
#1: The Price:
This is one of the main benefits of choosing a serverless architecture. The reality is that it is a lot more affordable to pay for the number of executions that to pay to an IT team to maintain and monitor your servers 24/7.
#2: The Network:
One of the key constraints about serverless architecture is that you need to set up an API Gateway. The reality is that serverless functions can only be accessed as private APIs.
Even though this doesn’t have any impact on costs or the process itself, you can’t directly access APIs using your regular IP.
#3: Environments:
When you are using a serverless architecture, it doesn’t matter if you are only setting up one environment or multiple ones.
#4: External Dependencies:
The reality is that no matter the project you are working on, you will almost always need to use an external library. Some functionalities of these libraries include image processing, cryptography, among others.
Choosing a traditional architecture or a serverless one depends on the type of project that you are working on. Usually, when you are not reliant on varied dependencies, a serverless architecture is the best option. On the other hand, when you have a more complex project, a traditional architecture may be the best option. Given the control you maintain over the entire system.
#5: Scale:
When you are looking to scaling projects, this may be a bit tricky no matter the architecture you are using. The reality is that you will have almost no control over a serverless architecture.
In the end a move to a serverless architecture has a multitude of benefits regardless of the provider. Whether you choose AWS, Azure or Google cloud, the offerings are immense, and you have world class administration at your disposal at a fraction of the cost for an in-house team. The speed, on-demand scalability and price all swing to the benefits of going serverless.
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