Notes

List Of Different Types Of Servers

What is a Server ?



A server is similar in appearance to a computer. It responds to all requests 24 hours a day, 365 days a week. It may be located within a local network, or it may be outside of the local network. It can be classified into one of several "Servers" types or categories to determine its functioning.



Server where can we use?



We use in Network area where we need 24/7 Hrs 1000's Users are requesting same information or different in real time. Like Website, Web Portal, Cloud Storage etc.



Why are we calling it Server and not Computer?



A computer is a single request response example (a user needs some document in a particular computer and it opens and views it on a single screen); on the other hand, server used in network responses the more than 100+ Same request Examples (Multiple users can view the same Document with no trouble on their own devices) This is why we call them Servers -> Both devices have the same functionality but are different because it's working. This is why we call it by it's functioning. -> Computer has less configuration, while Server has high configuration in shared network. -> Server is fixed at one place, but Computer, Laptop, and Mobile are able to move it around.



How Severs Works ?



Any Servers works nearly Similar Its Response to the Request , Any Users Request Some Data in the form of HTTPS the Server Response to it in the Same Manner If data finds its show else it Response some errors which data not found you request.



It is shown in the above diagram as the Web Servers Working. The page Request Response the by the Server. The Simple Static Page Without Database.



The Web Servers Working With Database is represented in the Above Diagram. The Dynamic Website Needs a Database for Records information data for a less lite website. This Page is processed in Web Server and then it's returned to Client System. It's a very fast process. Sometimes we received server cache page.



Different types servers



The server's ability to perform tasks is what defines it.



1. Print servers



A Print Server Manage Multiple Printers with a software application, network device or computer. To make printer status information available for network administrators and end users.



2. File Server



A special server is designed for storage, reading and writing files to a file server. A file server can be a computer connected to a home network or office network. It can store many files within its hard disks. A shared disk access is i.e. shared storage of computer files Connectivity by FTP ( File Transfer Protocol ), SMB/CIFS protocol (Windows and Unix-like) or NFS protocol (Unix-like systems). File Server RAID (Redundant Array Independent Disks) or NAS (Network Storage Network) design.



3. Database Server



A Database server can be described as DBMS database management System that provides database-server functionality. PostgreSQL,MYSQL.



4. Proxy Server



Proxy server is a server that sits between a client or server. It forwards the request to a real server.



5. Mail Server



Mail servers are mail storage for received mails, send mails across internet. Everybody uses mail today.



6. Web Server



A Web server online displays static web page content to a Web browser by loading files from a disk, and serving it across a network to a user’s Webbrowser. The entire exchange is made possible by the browser and the server communicating using HTTP.



7. Application Server



Application servers are server programs in a computer with a distributed network that provide the business logic for an application program to as a type of middle ware, application servers occupy a large chunk of computing territory between database servers and the end user, and they often connect the application to users. An Application Server provides the infrastructure and services necessary to develop, deploy and maintain applications.



8. Real-Time Communication Server



Real-time communication servers (RTC) is a term used to refer to any live telecommunications that occur without transmission delays. RTC is nearly instant with minimal latency. RTC data transmission modes include: * Half Duplex - Send and Receive one time simultaneously on a single circuit or carrier. * Full Duplex: Send And Receives simultaneously bidirectionally on a single carrier or circuit.



9. FTP Server



File Transfer Protocol allows one or more files to be securely moved between computers. FTP also offers file security, organisation, and transfer control.



10. DNS Server ( Domain Name Server



A DNS server is a computer service that stores a list of public IP addresses and associated Hostnames. It can be used to resolve or translate those names to IP addresses. DNS servers use special software to communicate with each others using special protocols.



A user enters domain name (Website name) into their Internet browser. (www.ahirlabs.com). The computer sends a DNS request with the domain name to the ISP (Internet Service Provider). If the ISP finds an IP address associated, the ISP will forward the request to other providers. If not, the ISP forwards this request to other providers in an attempt to locate the DNS record that contains the data. Once the record is located, the IP addresses of the domain are returned to the user. the user's computer can communicate directly with the server.



11. Gaming List Server



Email messaging services' dedicated computer system. List servers are a way to better manage mailing list, whether they're interactive discussions open for the public or one-way lists that distribute announcements or other advertising.



12. Telnet Server



A Telnet server allows users to log in to a host computer to perform tasks as though they were working on the remote computer. Terminal emulation protocol allows internet users to log on and control remote computers and networks. Telnet is an internet protocol that belongs to the TCP/IP group. It allows communication between any computer connected over internet, even if it does NOT support TCP/IP specifications.



13. Open Source Server



Open source software is crucial to many IT infrastructures. From the underlying open-source operating system to the server applications that you use to get your job done, to NGINX, Apache Tomcat, Lighttpd.



14. Virtual Server or VPS



A server is shared hardware and software resources with others users too but in VPS Virtual Server its dedicated servers its not shared hardware and software resources with others users.just because they are cost-effective and provide faster resource control, virtual servers are popular in Web hosting environments & data centre.



15. Online Gaming Server



In recent times, gaming server has been gaining popularity. This server connects hundreds of gamers around the globe to an external server(s), which allows them to access gaming data. Xbox Live is an example of a gaming server.



16. Chat Servers



This server allows many people to share information within the context of an internet newsgroup that provides real-time discussion capabilities.



17. IRC Servers



Internet Relay Chat is comprised of various independent networks of servers that allow users to connect to each other via an IRC network. It is an option for those who are seeking real-time competence.



18. Fax Servers



Fax Servers Are a Need Large Organisation. A fax server is a great way to reduce the outgoing and incoming telephone resources. However, the actual document must be faxed.


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