Most of you who use a web application probably are not aware of all that goes behind the scene. All you see is that you feed command to the system and you get the response on your screen. But a lot goes on before the who process is completed. Once you have typed a command, a series of activities happen. For these to happen, you need a combination of hardware and software.
As the user needs faster and better interaction, there is a shift from websites to web applications. It is the reason why web application development has become very important. For a developer choosing the right architecture is what will give the best results. In this article, we discuss different web architectures.
We discuss the following topics in this article
- Why Does Web Application Architecture Assume Significance?
- Decoding Web Application Architecture?
- Components Of An Application
- Models Of Web Applications
- Different Models Of Web Application Architecture
- Types Of Web Server Architecture
1. Why Does Web Application Architecture Assume Significance?
People need a faster and better response to their queries. It has made them prefer web applications to websites. It means that there is more need for web applications now. Developers have to work on developing web apps that offer a better experience for the user.
There is another issue that developers have to solve. People are using mobiles more than laptops to access the applications. It means that the web application architecture they choose should work well across all platforms.
Because of this shift to web applications more and more enterprises are building apps to attract customers. It means that there is more need for app developers. Developers must improve their skills because customers demand better apps for their business.
The demand for more apps has helped many companies to earn revenues. More companies are turning to build web and mobile applications. Proper knowledge and improved skills in web application architecture are what make them more successful.
A web application architecture paves the way for all future growth. As the company grows, there will be increased demand. There will be a need for interoperability and improved reliability. All these make web application architecture significant in a company’s growth.
2. Decoding Web Application Architecture?
Simply put, it is the combination of everything that completes a process in the web application. It is the framework of components that help you have web experience. It is the structure that allows you to see a website when you type the URL and press go.
Your command starts a chain of action. It sends the command to a browser. It will find the server that contains the website. The server will send the requested page to the browser. The browser will arrange to show the page on your screen. All components that help in this process can be jointly called the architecture
3. Components Of An Application
There are two sides to a web application. There is one component which you see. It is all about user interface and user experience. It consists of the dashboard, notifications, settings, etc. This component deals only with the interface. It is called the client side of the web application.
The server side is another component of the application. It is the location of the database. There is usually a minimum of two parts on this side. There is an app logic which receives the commands from you. Then there is the database which stores all the data. These parts are also called the HTTP server and the database server.
The user doesn’t usually see the server-side code. It is where data like your profiles, web pages, tweets, etc. are stored. The server creates the page that you request through the interface.
What does one hope to achieve with an application? It is given by the architecture which goes into the construction of the app? There are certain things that a user expects from an application.
- It should solve problems for the enterprise
- The interface should please us aesthetically.
- We should be able to do A/B testing and analytics.
- The process should be fast
- The app should provide the necessary security.
- It should be sustainable and regulate itself.
- The app should document errors in a natural way
- The application should be scalable
- It should automate at least some of our processes.
4. Models Of Web Applications
— eSparkBiz (@eSparkBiz) January 23, 2019
The Best Website Development Company put a lot of emphases on selecting the model for the web application. It plays a critical role in their success.
The components of the web application can be arranged in different models to suit your requirement. There are different types of organizing the elements.
The Single Web Server
It is the most basic form of the web server. There is just one server behind your firewall. This kind of server is beneficial at the testing stage. But this model cannot be used to deploy the app. In this model, the single server has both your HTTP and Database server.
The main disadvantage of this model is that if your server fails, everything fails. It is just the one server that acts as both a web server and database server. So, the app will not work if this fails. It is not suitable for big projects.
Single Web Server + Database Server
In this type of server set up, there is one web server and a separate database server. Here the separation of the web server and database server begins. But even this model is not suitable for the business application. If one of the servers fails, your app will crash.
Multiple Web Servers + Single Database Serve
It is a useful production application. More than one web server process the requests from the user. This model has got one database server. A load balancer can help to distribute the requests properly to the two or more web servers.
The web servers only process the request. They pass the request to the database. Once the request is passed on, web server erases that from its memory. It is why this model is also called stateless architecture.
In this model, you are avoiding the crashing of the application by adding web servers. Even if one web server fails, another server can handle the request. You have also separated the database from the server. It assures the security of the database.
The load balancer will help to distribute the load to the various web servers. It will prevent overloading and crashing. But you must select a highly available load balancer so that it will not become the point of failure.
It is a good model for a business application. Your app will work even if one of the servers fail. But there is only one database. If the database server fails, your application will not work.
Multiple Web Servers + Multiple Database Servers
It is the best model by far. You have multiple web servers. It takes care of web server failures. You have numerous databases which will help in the case of a database server failure. This model is the most suitable one. This kind of model is called a web farm.
You have taken care of all types of failures in this model. You have the data in all the database servers. Even if one fails the others will take over. The load balancers will ensure that there is on overload in the database servers too.
Web Farm With Application Server
This model is more suited for more complex applications. This model is useful where are more subsystems. Even in the case of having third-party systems, one can use it. Here an application server is introduced before the web server. You can have many application servers for one web server.
This model is useful in big companies. They have different departments like billing, CRM, payroll, etc. Using the application server helps to split loads of the web servers. It will help to make the system less complicated.
You can also add load balancer before the application servers to make things safer. This kind of model is perfect for large corporates with many departments.
The different models of the web application are
- The single web server – one web and database server combined
- One web server + one database server – the database and web server are separate.
- Multiple web servers + one database server – this model prevents failure as it has many web servers
- Multiple web servers + multiple database servers – the best model that protects completely from failures
- Multiple web servers + application servers + database servers – the best model for highly complex applications.
5. Different Models Of Web Application Architecture
There are mainly three types of web application architecture.
Legacy Html Web App Architecture
It is the basic model of the web application. When the user needs an update, he must reload the whole page. The server contains web construction logic and business logic. The interaction with the client side happens with the sending of the complete HTML page.
Widget Web App Architecture
In this type web services are placed instead of construction logic. It is more advanced than the legacy web app. Here only pieces of information or widgets are received by the user. There is no need to reload the page.
The widgets send queries in AJAX. The web services combined with the business logic will send back responses in JSON and HTML. This type of architecture is suited for mobile apps. Security is an issue here. This type also requires a long time to develop.
The Single Page Web App Architecture
The amount of data sent is very minimal. It is a very lightweight architecture that provides fast responses. This architecture is suitable for transforming the web app into mobile applications.
6. Types Of Web Server Architecture
Inside the web application architecture, the architecture of the web server is very crucial. It is what decides the performance parameters like speed, storage, processing speed, and app tiers. Many web server architectures give different benefits.
Java Web Application Architecture
- It can be used to create both simple and complex pages.
- This architecture is reliable for long-term usage.
- Availability of wide range of Java tools offer flexibility to the developers
- Moving data to the cloud is a necessity
- There is a decoupling of data in this architecture
- Data is stored both on the cloud and local servers.
Node.js Web Application Architecture
- It works on the model-view models.
- It can be model-view-controller (MVC), model-view-presenter (MVP) or model-view-ViewModel (MVVM)
- This model allows the creation of frameworks and directory.
- The app runs seamlessly with this architecture.
- This model is suitable for building scalable apps
.net Web Application Architecture
- It is best for cross-platform apps
- It also facilitates microservices, Docker containers, and side-by-side versioning.
- You can store data without applying database code
- Optimization is possible with support from ASP.NET Core and .NET Core.
Php Web Application Architecture
- It is the most popular architecture model
- It is the most straightforward and functional architecture
- Development is possible because of support from a big community
- Clear maintenance is possible.
Azure Web Application Architecture
- This architecture builds the bridge between the cloud and traditional tools
- This Microsoft platform adopts the best web application architecture practices.
Angular Js Web Application Architecture
- It is a framework and platform for HTML and TypeScript.
- It allows for lazy loading providing a better user experience.
- It helps in reducing code size.
The architecture you choose for Enterprise Web Application Development is critical. It could decide how responsive and fast your web app is. It will also help in making the app robust and secure. We have seen here the advantages of the different components of the web application.
As the need for more web applications increase, it is essential for you to have a close look at the different architecture. Ultimately the requirements of the business must be satisfied. You should build the app for expansion and scalability.
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