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Web architecture

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Contents

• Web architecture definition
• Core components of web architecture
• Types of web architectures
• Importance of web architecture
• References

Web architecture definition

Web architecture is the structure and organization of the World Wide Web. This architecture encompasses the arrangement and interaction of various components, including servers, databases, clients, and protocols, facilitating the delivery of content and services to users worldwide. Web architecture enables seamless interaction and exchange of information across the digital landscape.

Core components of web architecture

In web architecture, several core components work together to deliver web content to users. Understanding these components is essential to grasping how web services and sites function and are developed. Here’s a look at each of the core components:

• Clients are any device or software that sends requests to a server via the Internet to access web services or resources. Common examples include web browsers on desktops or mobile devices and applications on smartphones. Clients initiate communication by requesting data from servers. They render and display the received data to the users. Clients also handle the client side of web security and often run client-side scripts to provide interactive functionalities.
• Servers are powerful computers designed to process requests from clients and send back the appropriate responses. They host websites, applications, and data. When a server receives a request from a client, it processes it – this might involve running applications, accessing databases, or executing scripts. And then it sends the appropriate data back to the client.
• Databases are structured systems for storing, managing, and retrieving data. They are crucial for dynamic websites and applications where data is continuously created, updated, deleted, and queried. Databases may store user data, application settings, posts, transactions, and more. Servers interact with databases to retrieve or manipulate stored data as needed by web applications.
• APIs (Application Programming Interfaces) are sets of rules and protocols that allow different software entities to communicate with each other. They facilitate the interaction between different software components and services. For instance, they allow web applications to interact seamlessly and securely with databases, third-party services, or other applications.

Types of web architectures

Some common types of web architectures include:

• Client-server architecture: In this architecture, clients (typically web browsers) make requests to servers, which process the requests and return responses. It’s a common model for most web applications, where clients interact with a centralized server to access resources and services.
• Three-tier architecture: Also known as multi-tier architecture, this model divides the application into three logical layers: presentation (UI), application logic (business logic), and data storage. Each layer operates independently, promoting scalability, maintainability, and modularity.
• Microservices architecture: In this architecture, applications are composed of small, independently deployable services that communicate over the network. Each service is focused on a specific business function and can be developed, deployed, and scaled independently, offering flexibility and resilience.
• Service-oriented architecture (SOA): This type decomposes applications into reusable services, which can be accessed and combined to build new applications. Services are loosely coupled, allowing flexibility and interoperability across heterogeneous systems.
• Peer-to-peer (P2P) architecture: In P2P architecture, nodes (peers) communicate directly with each other, without a central server. It’s commonly used for distributed file sharing, decentralized applications (blockchain), and content delivery networks (CDNs).

Importance of web architecture

Web architecture is crucial because it provides the foundational structure and organization for designing, developing, and maintaining web-based systems. It establishes principles and patterns for distributing responsibilities, handling data, and managing communication between different parts of the system.

A robust web architecture enables adaptability and flexibility, allowing organizations to evolve and innovate their web presence to meet changing business requirements and user expectations.

References

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