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Web server hardware and software

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    Web server hardware and software Web server hardware and software Presentation Transcript

    • Web Server Hardware and Software By:- Vikram.G.B Lecturer, P.G Dept. of Commerce V.D.C Bangalore-55
    • What is WEB SERVER??????? Server refers to a computer or device on a network that manages network resources. There are many different types of servers. For example: ◦ File server: a computer and storage device dedicated to storing files. Any user on the network can store files on the server. ◦ Print server: a computer that manages one or more printers, and a network server is a computer that manages network traffic. ◦ Database server: a computer system that processes database queries. Web server can refer to either the hardware (the computer) or the software (the computer application) that helps to deliver web content that can be accessed through the Internet.
    •  Web servers are computers that deliver Web pages. Every Web server has an IP address and possibly a domain name. For example, if you enter the URL http://www.pcwebopedia.com/index.html in your browser, this sends a request to the Web server whose domain name is pcwebopedia.com. The server then fetches the page named index.html and sends it to your browser.
    • What is required for a WebServer??? Any computer can be turned into a Web server by installing server software and connecting the machine to the Internet. There are many Web server software applications, including public domain software from NCSA and Apache, and commercial packages from Microsoft, Netscape and others.
    • Software for Web servers. Computer software, or just software, is any set of machine-readable instructions (most often in the form of a computer program) that directs a computers processor to perform specific operations. Software is a general term. It can refer to all computer instructions in general or to any specific set of computer instructions. It is inclusive of both machine instructions (the binary code that the processor understands) and source code (more human-understandable instructions that must be rendered into machine code by compilers or interpreters before being
    • Web server software.... Web server software includes a series of complex tools and programs that come together to create and manage a Web server. These tools range from programming language protocols to file transfer protocol programs, which allow programmers to customize their Web servers and provide unique experiences for their users from each of their Web pages. Web server software is used to edit and create Web pages along with various other HTTP formatted files.Few famous web server software
    • Percentage of Websites usingvarious web sites. Apache 62.3% Microsoft-IIS 16.6% Nginx 15.7% LiteSpeed1.9% Google Servers1.4% Tomcat 0.7% Lighttpd 0.5% IBM Servers 0.4% Yahoo Traffic Server 0.2% Oracle Servers 0.2% Zope 0.1%
    • Apache HTTP Server:- Often referred to as simply Apache, a public- domain open source Web server developed by a loosely-knit group of programmers. The first version of Apache, based on the NCSA httpd Web server, was developed in 1995. Core development of the Apache Web server is performed by a group of about 20 volunteer programmers, called the Apache Group. However, because the source code is freely available, anyone can adapt the server for specific needs, and there is a large public library of Apache add-ons. In many respects, development of Apache is similar to development of the Linux operating system.
    •  The original version of Apache was written for UNIX, but there are now versions that run under OS/2, Windows and other platforms. The name is a tribute to the Native American Apache Indian tribe, a tribe well known for its endurance and skill in warfare. A common misunderstanding is that it was called Apache because it was developed from existing NCSA code plus various patches, hence the name a patchy server, or Apache server.
    •  Popular sites using Apache ◦ Youtube.com ◦ Baidu.com ◦ Wikipedia.org ◦ Weibo.com ◦ Tumblr.com ◦ Mail.ru ◦ Fc2.com ◦ Ask.com ◦ Apple.com ◦ Craigslist.org
    • Microsoft-IIS Short for Internet Information Server, Microsofts Web server that runs on Windows NT platforms. In fact, IIS comes bundled with Windows NT 4.0. Because IIS is tightly integrated with the operating system, it is relatively easy to administer. However, currently IIS is available only for the Windows NT platform, whereas Netscapes Web servers run on all major platforms, including Windows NT, OS/2 and UNIX.
    •  Popular sites using Microsoft-IIS ◦ Live.com ◦ Msn.com ◦ Microsoft.com ◦ Conduit.com ◦ Go.com ◦ 360buy.com ◦ Incredibar.com ◦ Godaddy.com ◦ Blogfa.com ◦ Secureserver.net
    • Nginx:- Nginx (pronounced engine-x) is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Igor Sysoev started development of Nginx in 2002, with the first public release in 2004. Nginx now hosts nearly12.18% of active sites across all domains. Nginx is known for its high performance, stability, rich feature set, simple configuration, and low resource consumption.
    •  Nginx is one of a handful of servers written to address the C10K problem. Unlike traditional servers, Nginx doesnt rely on threads to handle requests. Instead it uses a much more scalable event-driven (asynchronous) architecture. This architecture uses small, but more importantly, predictable amounts of memory under load.
    •  Popular sites using Nginx ◦ Sina.com.cn ◦ Yandex.ru ◦ Wordpress.com ◦ Vk.com ◦ 163.com ◦ Pinterest.com ◦ Soso.com ◦ About.com ◦ Cnn.com ◦ Imgur.com