Web Services are: Functions, Benefits, How They Work, and Examples

A web service is an application that integrates a database with software. It acts as a bridge, connecting you to easily exchange data with various systems.

This technology optimizes the performance of various websites available on the internet. This is a solution to the increasing number of internet users, which increases the load on the internet.

What is a Web Service?

A web service is an application containing a collection of databases and software, or parts of software programs, that you can access remotely. This allows you to address interoperability issues and integrate them with various systems.

A distinctive characteristic of web services is that they have URLs, just like websites. However, the difference lies in the interactions provided by web services. A URL in a web service is simply a collection of commands, information, and configurations in the form of syntax for building specific application functions.

Here, you can exchange data without worrying about the database source, language, or platform you’re consuming the data on. This capability of web services is what makes them known as bridges connecting various systems.

Web Service Functions

After understanding the explanation of web services, which are applications that use a collection of databases, it’s important to understand their functions to better understand them. So, what are the functions of web services? Let’s take a look at the following explanation.

Flexible Data Accessibility

This technology allows you to access the web from anywhere and at any time. This avoids the relatively high level of web interoperability issues. Web services facilitate smoother access.

Access with Various Protocols

Furthermore, web services allow you to access websites using various protocols, making access easier.

Interaction Between Systems, Formats, and Languages

Web services are a technology that enables web interaction regardless of the operating system, format, or programming language used between the server and client. This technology enables these interactions to run smoothly.

Benefits of Web Services

Furthermore, what are the benefits of web services? Let’s find out the explanation below.

Interoperability

A web service is a service that uses connections between applications to communicate with each other and share data or services. Other applications that commonly utilize web services include .NET or VB. They are typically used to create technology-independent applications.

Meanwhile, interoperability is the capability of a system to have a comprehensive interface. This allows for useful interactions with other products or systems, both now and in the future, without implementation or access restrictions.

Standard Protocols

Web services have their own communication and industry standards. The protocol stack encompasses transport services, service descriptions, XML messages, and the service discovery layer.

The existence of this standard protocol stack itself has advantages such as reduced costs and the ability to improve business quality.

Low-Cost Communication

Web services are a technology that uses the SOAP mechanism for its HTTP protocol. This provides the advantage of affordable internet usage. In addition to SOAP, web services can also be implemented as a reliable transport mechanism, such as FTP.

Network Functionality

Unit code can be managed effectively even remotely. You can activate this system using an HTTP request. This technology also allows you to expose specific code that uses a specific network.

How Web Services Work

Web services are systems integrated with several open standard protocols and supporting technologies. These technologies include SOAP, WSDL, REST, and WDDX. The open standard protocols in question are HTTP, FTP, and SMTP.

The main benefit you already know is that proxies hide your location and IP address. This makes it very useful for users who don’t want their identity revealed.

The message sent by the client uses SOAP or REST format in the form of an XML document. It is then transferred over the network via a standard protocol, such as HTTP.

The server then retrieves and presents the transferred data in CSS, XML, JSON, HTML, JS, and other formats. Although it supports various formats, generally, servers only display data in XML, HTML, and JSON.

To make it easier for you to understand, here’s an explanation of the login system in question.

The client sends a request or message to the server using XML. This message contains a username and password, which are sent to the server via a web service.

The web service then checks the validity of the XML request and converts the message to make it easier for the server to understand.

The server processes and responds to the request using a document in the client’s database, which can be TRUE or FALSE.

The web service sends an XML message from the server to the client as its response.

The client will then read the response in the form of an XML message to complete the login process. If the input data is valid, the result will be TRUE. However, if the username and password are not in the database, the result will be FALSE.

Examples of Web Services

You can actually find examples of web services in everyday life, for example, using online motorcycle taxi applications. Web service technology exists within online motorcycle taxi services, making it easier for users to order motorcycle taxis online.

So where is this implemented? It’s based on two system operations. First, when you place a booking or request by entering your pickup and destination addresses, your booking is processed and sent to the web service.

After processing, the user’s request is forwarded to the motorcycle taxi driver’s account server. The online motorcycle taxi server system receives the request and calculates the trip fare.

The server then sends the fare details via the web service. This operating system also runs when the user clicks “order,” and the web service receives the request or booking. The request is then processed and sent to the online motorcycle taxi server to find the nearest driver.

Furthermore, Google Maps also utilizes web services. This is used to find routes from one location to another. The Google Maps application can also display locations and traffic at the requested location.

For example, you want to travel from Semarang to a mall in North Jakarta. Then, you enter a message or request by entering your current location and the destination address.

Using the internet, the message is received by the web service in XML format. The request is then forwarded to the server, which displays information about the best route to your desired location.

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