What Is an Internet Data Center Server & How Does It Work?

 

What Is an Internet Data Center Server & How Does It Work?




While people often think of the Internet as an immaterial object, the data that makes up the Internet is actually stored at a very physical location: data servers. Businesses sometimes operate their own servers or rent out servers from data centers, enabling them to store online files -- like those that make up a website -- and make them globally accessible. Essentially, an Internet data center server is the saving location for files accessible from the Internet.

Data Server

A data server is basically a computer without peripherals like monitors and keyboards. A server operates entirely as a saving location, and is connected to a network to make that data accessible to computers. In the case of an Internet server, the device is connected to the Web, so that any computer with a Web connection can access the files stored on the server. Servers store and process data just like a computer, and are connected to the Internet through wired or wireless connections.

Data Center

A data center is made up of numerous data servers housed in the same complex. Like computers, servers require certain environmental conditions, such as moderate levels of heat and humidity, as well as network connections to access the Internet. Large data centers with huge amounts of hard disk storage allow the companies that operate them to capitalize on economies of scale, saving more data for similar costs on site maintenance and connectivity infrastructure. Many large Internet companies operate their own dedicated data centers, while some data centers offer storage services for multiple clients.

How It Works

Just like two computers connected in a local network, Internet servers send information to Web browsers through network connections. Data stored on a server is divided into packets for transmission, and is sent through special computers called routers that determine the best path for that data to travel -- through a series of wired and wireless networks -- to reach an Internet service provider and ultimately a computer. Every time you type a Web address into a browser, you are requesting information from a server, and the process is simply reversed when you want to upload information to an Internet server.

Data and Security

Like any type of computer data, server data is vulnerable to corruption, transmission errors, loss and hacking. While security protocols vary across companies and data centers, most data centers implement comprehensive security measures that include data encryption during transmission, multiple saving locations in case one server becomes disabled, simultaneous saving at two or more locations so that files can be reconciled and backed up in case they are not properly saved at one, and complete wipes of disk data when a server has exhausted its useful life.

Data Disaster Recovery Information

No matter the size of an organization or the cause of a disaster, the ability to recover data after a crisis is one of an organization's highest priorities. There are a number of ways to safeguard data to ensure that it can be recovered in a timely manner. For years, organizations have backed up data by physical means of discs, servers or even flash drives. In addition to traditional data back-up methods, small businesses can use cloud computing as part of their data-disaster recovery strategy.

Server Back-up

A server is a computer that provides data to other computers. Backing up data regularly on an on-site or remote off-site server is a way to safeguard data in preparation for a disaster. Data that has been backed-up on an on-site server might be at risk if any destruction or theft happens at the business location. Remote servers are a safer way of ensuring that data can be recovered if a disaster occurs.

Client-Server Networks

In a client-server network, the server or servers act as the centralized hub of the network, providing information to the connected devices. Servers can be set up to store and retrieve Web content, data, files, email, or audio and video. A client-server network configuration is used to execute critical functions like data storage and user authentication, and also help process databases, certain software and other large applications.

Secure Internet Protocols

The Internet can be a dangerous place, wrought with fraud and data theft. To help protect your small business data it's a good idea to have a basic understanding of secure Internet protocols. These protocols are used for financial transactions, file transfers and even email. Most likely you use these protocols every day whether you realized what they are or not.

HTTPS

Hyper Text Transfer Protocol Secure (HTTPS) is used by many websites as a secure version of Hyper Text Transfer Protocol (HTTP). You can easily tell if a website uses this security by looking at the address bar at the top of your Web browser. If the address begins with "http://" the website is not secure. If it begins with "https://" it is. When you connect to a website with HTTPS, the connection is encrypted with a digital certificate. It is often used on websites that offer financial transactions, like online banking websites.

SSL

Secure Sockets Layer (SSL) encrypts data with two keys: a public key and a private key. The public key is used in issuing a certificate to confirm your identity. The information you provide is then put in the private key, which is used to allow you to interact with the server. Banking websites often use SSL as do many email servers. When you are on a website using SSL you will see a padlock icon in the address bar of the Web browser.

Objectives of a Server

Server-based computing represents an important part of the way people access data services, including shared file storage, website hosting and databases. Although a server is similar to a desktop PC in many respects, its main objective is to provide information to a group instead of an individual. Because servers send data through networks, the growth of the Internet has fueled their use and popularity.

Security

Servers protect the large data sets they store through a system of login IDs and passwords. A server provides data only for those clients that have proper access, blocking unauthorized requests. The server's administrator determines how much security the application requires; most Web servers, for example, let users browse pages with few restrictions, whereas commercial database servers are tightly regulated.

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