The Use of Apache Web Server

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The Apache Web Server Apache is by far the most popular Web server today, with a market share of about 60% according to the Netcraft Web server survey .Apache is maintained by the Apache Software Foundation . Brian Behlendorf and Cliff Skolnick initiated the Apache project in 1995 out of the need for rapid development of new Web  development  features.

The first version of Apache was based on the NCSA HTTPd Web server, and modified through patches (therefore the name: Apache = “a patchy” server). The original code base was eventually replaced in the next revision. An important year for Apache was 1998 when an agreement with IBM for the continued development of Apache was reached. IBM now includes the Apache code in its WebSphere server product. Today, many voluntary contributions from companies and individuals guarantee for the ongoing success of the Apache Web server. The following is a list of Apache features for the current version 2.0: • Serves static and dynamic CGI Web pages. Can interface with many dynamic content generation technologies such as Perl, Java Servlets, or PHP. • Highly configurable. Apache is composed of many modules that can be optionally added or removed, as well as configured. • Extensive security features. Several forms of authentication, including SSL encryption are available. • Portable (implementations are available for many platforms, including Windows, Unix, Linux, and OS/2). Apache is available for download, but also ships with most Linux distributions. Kepran is an web application development company providing web application development services expertise in web application development solution in web application development India in web application development Bangalore .

Beginning of Ecommerce

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Amazon.com is one of the Web’s most exciting and instructive stories. Started in a garage by Jeff Bezos in 1995, it has since grown to become the largest Internet retailer, with the highest levels of customer satisfaction, the fastest revenue growth rates, and finally, after nine years, profitable. One of the Internet “Big Four” companies, along with Yahoo, eBay and Google, few would have thought it possible when Amazon first opened for business that an online bookstore would become one of the premiere general retailers in the world. But Amazon’s ability to maintain operations at a sufficiently profitable level is a fact that continues to worry investors in 2005, in ecommrce development.

Critics are of two minds: either Amazon will become the online Wal-Mart (and suffer from its huge size just as WalMart does) or it will fail to deliver superior growth and profits because it has spread itself too thin, taken on too many product lines, and given away too much revenue to customers by offering free shipping and superior service. Supporters, and Bezos himself, counter that Amazon has become the Web’s largest retailer on a revenue basis by focusing on the customer, not short-term profits, and that it will ultimately become one of the most profitable by following the same strategy. Amazon certainly has had a roller coaster ride in its ten brief years. In December 1999, Jeff Bezos graced the cover of Time magazine as its Person of the Year. In the same month, Amazon’s stock reached a peak of $113 per share. In January 2001, Amazon reported a whopping $1.411 billion as its overall loss for the year. Its stock hit a low of $6 a share. Amazon laid off 1,300 employees, constituting about 15% of its workforce. Questions about its long-term viability abounded. Bezos promised he would make the company profitable in two years, but few believed this was possible. But, in 2003, Amazon reported soaring sales; it achieved its first annual profit ever (about $35 Amazon.com’s @ first Web site Amazon at 10: Profitable At Last million), and its stock price more than doubled to $25 a share. The good news continued into 2004 when Amazon reported profits of $588 million on $6.92 billion in revenue. Kepran is an ecommerce development company providing ecommerce development services expertise in ecommerce development and giving ecommerce  development solutions ,located in ecommerce  development India in ecommerce development Bangalore.

The Use of Linus in web application

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The Use of Linus in web application Linus Torvalds created the Linux operating system as a personal project in 1991 (in Finland), out of the desire to learn and understand the 386 processor and Unix-based operating systems. It was released free-of-charge to the public for everyone to make improvements under the terms of the GNU General Public License. Since then, Linux has grown into a major player in the operating system market, thanks to the contribution of hundreds of developers all over the world and the coordinating efforts of Linus Torvalds. It has been ported to run on a variety of architectures including Compaq's Alpha, Sun's SPARC, and Motorola's PowerPC chips.

The term “Linux” technically only refers to the kernel (the core of the operating system). 12 An important reason why Linux has become so popular today is the ease of availability through the so-called “distributions”. Distributions bundle the Linux operating system together with useful applications developed by independent groups, and usually have an installation program. Many companies offer Linux distributions today; a list of major distributions is given in the next section. With the combined efforts of companies as well as individuals, Linux has evolved into a modern operating system that incorporates protected memory, multitasking, fast TCP/IP networking, shared libraries and multi-user capabilities in web application development. Kepran is a web application development company providing web application development solutions expertise in web application development with professionals web app developers in web application development Bangalore located in web application development India

Open Source in Web application development

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Before diving into the different Open Source technologies, it is helpful to look at where Open Source came from, and the motivation behind it. When developing applications, it is important to understand both the rights and obligations that come with using Open Source software, since this can affect the newly developed product itself.

While Open Source in web app development implies that the source code is available and modifiable, the use of the program is free, and copies may be made, it often also means that the same rules have to apply to the program that utilizes Open Source, depending on the type of license that the Open Source software is provided under. It is also worth mentioning that free software, freeware, public domain, and Open Source don’t mean the same thing, although all of these products can be obtained free of charge. Recommend references are given below for readers interested in a more detailed discussion of these topics.

The term “Free Software” is based on the idea of making software accessible to anyone for free, including the right for everyone to make improvements to it. This implies that the source code is provided with the software product. To protect the rights of the authors, a formal approach through licenses has been introduced through Richard Stallman, a former member of the MIT Artificial Intelligence Lab, with the founding of the Free Software Foundation (FSF) in 1984. Stallman’s goal was to develop a UNIX-compatible operating system called GNU (= GNU’s not UNIX) which should give users a portable, no-cost alternative to the various UNIX systems that were specific to each hardware vendor. He planned to achieve this by gradually replacing the proprietary versions of the UNIX system software components with his and other voluntary 11 contributor’s developments.

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Introduction Web Technologies

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Particularly the Internet, have become an important part of the business world over the past few years. People have become accustomed to searching the Internet for data, sending e-mails, or making simple purchases electronically. Web browsers, such as Microsoft’s Internet Explorer, or Netscape’s Navigator, played an important part in the rapid webdevelopment of the Internet.

Designed to present a simple and easy-to-operate front-end interface to the user, Web browsers are today’s standard way of accessing the vast amount of information available through the Internet. More recently, with more and more people being connected and the steadily increasing connection speed to the Internet, a new wave of more sophisticated web applications emerged. In order to make these applications possible, the browser’s original functionality of “browsing”, i.e. navigating through the contents of web sites via hyperlinks, needed to be extended significantly. Scripting languages, such as VBScript or JavaScript, Java-enabled browsers, DHTML, or XML are some of the technologies that are part of today’s browsers to provide the means for the development of real-world applications such as on-line bookstores, on-line travel agencies, or banking services, which are some of the most well-known examples for modern Web usage.

 The technologies mentioned above served to enhance the mostly “static” contents (e.g. text or images) of Web pages with “dynamic” elements, such as event handling for error checking of forms prior to submittal, or performing of calculations. But not only browsers needed to be improved. More importantly, Web servers needed to be able to respond to client requests in a more flexible way than presenting the same content to all users. Server-side programming is the key technology that allows developers to make Web applications fit for a specific purpose, so incoming requests can be processed by the server on the fly (e.g. presenting filtered information of a database according to search criteria provided by the client). Server-side programming is today’s way of choice to develop Web applications. A Web server can be completely controlled by the application provider, eliminating uncertainties regarding the capabilities of the client’s Web browser. With server-side programming, Web pages are prepared by the application considering the client’s request. This preparation happens on the server, so that the information submitted to the client can be in HTML format, the Internet’s basic, standardized language of communication.

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Brief introductions of servlets

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When a Web server receives a client request for static web pages (usually files with an extension .htm or .html), it looks for the requested page, and simply responds to the client with the contents. However, when dynamic content is requested, the behavior of the server needs to be different: In this case, a program has to be run on the server machine that interprets the parameters of the request and generates the content accordingly in web application development To enable the server to distinguish between regular requests for static pages and requests for dynamic content, the server needs to be made aware of which requests should map to a program. This is usually done through a server plug-in. This plug-in is a small interface that tells the server which requests are dynamic (e.g. all pages that end with .cgi or .jsp), and what program to forward these requests to. A popular way of generating dynamic content in the past was the Common Gateway Interface (CGI). The CGI environment instantiates a new child process on the server to handle each request i.e. runs a program that generates the output dynamically.

This method, however, is very resource intensive. Creating a the new runtime environment, initializing it and destroying it after use are overhead tasks that can weigh heavily when a Web server receives thousands of requests per day. A large number of simultaneous requests could even cause the server to crash due to memory restrictions. Servlets offer a much lighter weight approach to handling many client requests. Although the servlet interface definition is based on CGI, it processes requests differently. A single program running on the server, a so-called Servlet Engine or Servlet Container handles all requests. Instead of creating a new process for each request, the Servlet Engine uses Java’s multithreading capabilities to generate the dynamic page within the Servlet Engine’s main process. Kepran is an web application development company providing web application development services in web application development Bangalore expertise in web application development India expertise in web application development solutions.

Introduction Of Open Source

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The term “Free Software” is based on the idea of making software accessible to anyone for free, including the right for everyone to make improvements to it. This implies that the source code is provided with the software product.

To protect the rights of the authors, a formal approach through licenses has been introduced through Richard Stallman, a former member of the MIT Artificial Intelligence Lab, with the founding of the Free Software Foundation (FSF) in 1984. Stallman’s goal was to develop a UNIX-compatible operating system called GNU (= GNU’s not UNIX) which should give users a portable, no-cost alternative to the various UNIX systems that were specific to each hardware vendor. He planned to achieve this by gradually replacing the proprietary versions of the UNIX system software components with his and other voluntary 11 contributor’sweb  developments.

To protect the author’s copyright, as well as to guarantee the free use of derivatives of the GNU work, the FSF developed the GNU General Public License (GPL). Some products available under the GNU Public License, such as EMACS or the GNU C Compiler became widely used, but only the introduction of Linux under the GPL pushed the idea of free software to a new level of interest. With Linux’s growing share, the business world took notice of the free software movement. The restrictive GNU public license with its idealistic view, however, led to the development of other public licenses that seemed more appropriate for business purposes, while taking advantage of the ideas of free software. The introduction of these other licenses, such as the BSD, MIT X, Mozilla, or Artistic licenses, increased the confusion about the meaning of free software and Open Source. Therefore, community members developed a specification called “The Open Source Definition” in 1997. This specification establishes guidelines for software licenses to be considered “Open Source”.

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Need of ecommerce in this globalized world

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Ecommerce development takes an important tool in today’s worlds we all know that what ecommerce has taken a toll on everybody’s life; in ecommerce we have different sectors. Ecommerce Influences Purchase Decisions” When customers are deciding on a purchase, they start by looking online. • Your website is your showroom, where customers can research your product and see all the reasons it is right for them. • Now imagine that same product was just a couple of clicks away from being theirs. A well-designed ecommerce site can influence purchase decisions by showcasing your product at its best, and making it as easy as pie to take action and make a purchase Ecommerce Taps into Social Media • It's a social world out there, with customers turning to social media such as Facebook and Twitter to research potential purchases. • For a smart business, an engaging social media presence can raise their company profile and encourage traffic and sales. A well thought out social media strategy marries well with a good ecommerce site, forging connections with buyers. Offers, competitions and other shareable content can be used to grab attention and encourage visits to your ecommerce store

• Ecommerce Is Convenient • Whether they're just getting through the door after a 10-hour work day, or getting the shopping done at the crack of dawn before the kids get up, customers appreciate the convenience of online shopping. • People's lives are hectic; getting to a bricks and mortar store means taking a sizeable chunk out of their day for a detour. “Ecommerce means you can fit into your customer's busy lives, offering the products they want, when they want them.” These are the main concept for ecommerce and very important usage as we understand the importance of it for every business and it also makes the brand more visible and globalized.Which it’s an easy reach to customers anywhere anytime which saves their time and for business it makes every business product visible and get east clients across the globe .its important to know that ecommerce has for sure has an effect on business field and also the customers .

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Use of Microsoft in web app development

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An effort to improve Microsoft’s position in the server-side application development market was made with the introduction of the .NET platform in 2000. The goal of .NET was to regain some of the market that was lost to Sun Microsystems due to the superior concept of Servlets/JSP over ASP. Sun, on the other hand, recently announced Sun ONE to compete with the .NET strategy, showing that server-side programming is still evolving and improving at a rapid pace in web application developementWeb Application Development company Web Application Development company Since the server-side application development market is still evolving, developers are confronted with the difficulty of having to work with constantly changing techniques, and having to make the right choice of which development platform to use. This thesis illuminates the concept of an Open Source, “free of charge” development platform and server implementation, which has enjoyed an increasing popularity. The advantages are numerous: The latest Open Source operating system, Linux, features high reliability, stability and a transparent technology at no cost, making it a very appealing alternative to Microsoft Windows, SunOS or other commercial offerings. Results of a current market share analysis among SSL Site operating systems in the United States are shown in Figure 1. Linux captures a significant market share. In other countries, the Linux operating system is even more popular. In Germany, for example, Linux had over 30% market share among SSL Site operating systems according to surveys conducted in February 2001. Kepran is an web application development company providing web application development services exprtise in web application development in web application development India professionals in web app development located in web application development Bangalore

Need of web application development

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More recently, with more and more people being connected and the steadily increasing connection speed to the Internet, a new wave of more sophisticated web applications emerged. In order to make these applications possible, the browser’s original functionality of “browsing”, i.e. navigating through the contents of web sites via hyperlinks, needed to be extended significantly. Scripting languages, such as VBScript or JavaScript, Java-enabled browsers, DHTML, or XML are some of the technologies that are part of today’s browsers to provide the means for the development of real-world applications such as on-line bookstores, on-line travel agencies, or banking services, which are some of the most well-known examples for modern Web usage. The technologies mentioned above served to enhance the mostly “static” contents (e.g. text or images) of Web pages with “dynamic” elements, such as event handling for error checking of forms prior to submittal, or performing of calculation in web app development .

  But not only browsers needed to be improved. More importantly, Web servers needed to be able to respond to client requests in a more flexible way than presenting the same content to all users. Server-side programming is the key technology that allows developers to make Web applications fit for a specific purpose, so incoming requests can be processed by the server on the fly (e.g. presenting filtered information of a database according to search criteria provided by the client). Server-side programming is today’s way of choice to develop Web applications. A Web server can be completely controlled by the application provider, eliminating uncertainties regarding the capabilities of the client’s Web browser. With server-side programming, Web pages are prepared by the application considering the client’s request. This preparation happens on the server, so that the information submitted to the client can be in HTML format, the Internet’s basic, standardized language of communication. Kepran is an web application development company providing web application development services in web application development Bangalore expertise in web application development India