The application serverIt is also known as the APPSERVER. Is a program that controls all the activities between the user application and the application last floor of a business or organization is the database. The typical application services are used typically for the combined application of basic transactions. To support the high request, an application service must have the excess inside, control for the ability to appear high, high level performance, distributed application services and support link to access the database.The print serverPrint services is installed on a network to route the request to print from the computer that network's stations. The host controller in the request file and send the file to the printer are required-A printing service allows many people together using a printer on the network.The database serverA database service is a basic application on the Server/client architecture. The application is divided into two parts. the part that runs on a workstation (where users accrue and display database information) and the rest run on servers where the obligation as a data connection and store-made.Electronic mail serverMost of the web services and mail transfer and store mail on the network of and take over the internet. Today most people think that the mail service is the term write off of the internet. However the mail service was first developed on the background of the internet. (LANs and WANs).The Web serverAt the core of it, a web service that serves static content to a browser by downloading a file from disk and transfer it over the network, to the person using a web browser. The complete Exchange was made indirectly through thuông a browser and a server to connect to another device using HTTP. Any computer can also enter in a web service by installing the service software and an internet connection. On the NET there are many software applications, web services, including the translation software provides domain name from NCSA and Apache, and the commercial software of Microsoft, Netscape and many others.FTP serverA FTP service is a software application that runs the file transmission protocol, this Protocol for exchanging files over the internet. FTP works much the same way that HTTP makes, transmits web pages from a server to a user's browser, and use SMTP for sending e-mail messages via the internet. Just as these technologies, FTP use TCP/IP of the Buffalo of the internet to transmit data. FTP is used to download a file from a server using the internet or vice versa (such as downloading a web page to your server).The Proxy ServerIt is a server standing between an application, as a web browser, and a real server. It prevents all requests to the real server if it is capable of fully answering the request, if not it will forward the request to the real server. Proxy servers have two main purposes: it can increase flexibility for the activities of groups of users, because it stores the results of all the requirements for a certain amount of time. Proxy servers also require the filter to tags or is not allowed for a particular connection request or on the server.Different server types for different jobs.Depending on the type of system that you will choose for a server depends on the application of it in your organization, and that data will be met for storage and recovery. The number of users requesting that you estimate will be sent to the server, and how many workstations that will be accessing the server, that's all what you need before choosing a server and software architecture.The server is not just a device capable of performing a particular function. From a service file or print services, you need to see a server, such as the DELL PC, with 512 MB of memory to run Window or Linux and configuring the cave to wait for printing on a network. An example of a medium-class servers, use higher intensity for the function to store and recover data of the database server that is HP's 900 medium with 32 slots PCS and 256 MB of RAM to control overloading.
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