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What is AJAX

Encyclopedia of Multimedia Technology and Networking, Second Edition
The Asynchronous JavaScript and XML is a Web development technique used for creating interactive Web applications.
Published in Chapter:
Reliability Issues of the Multicast-Based Mediacommunication
Gábor Hosszú (Budapest University of Technology and Economics, Hungary)
DOI: 10.4018/978-1-60566-014-1.ch165
The multimedia applications generally support one-tomany group communication. Multicasting decreases the communication costs for applications, which send the same data to multiple receivers. Table 1 summarizes the types of the communication among the hosts. Currently, there is an increasing need for scalable and efficient group communication. Theoretically, multicasting is optimal for such purposes. Therefore, this technology is an emerging media dissemination technology, instead of the traditional unicast communication. It has two important types: the networklevel, namely IP-multicast, and the Application-Layer, host-multicast. In the former one, the data packets are delivered by the IP protocol, from one host to many hosts that are member of a multicast group. The routers run an IP-multicast routing protocol in order to construct a multicast tree. Along this tree, the data is forwarded to each host. Special IP addresses ( - address range) are used, which do not belong to hosts, but rather define multicast channels. In the case of Application-Layer Multicast (ALM), the hosts use unicast IP delivery, and the routers do not play any special role. Reliability is one of the most important features of all multimedia applications, independently from the multicast technology in use. This requirement is especially critical in the case of multicast, where the large volume of data is to be transferred, and correction or resending of lost data is even more difficult in time. In the multicast technology, the maintenance of the group membership information is also an important question from the point of view of the robustness of the so-called multicast delivery tree. The root of the tree is the sender, the leaves are the receivers, and the intermediate nodes are the routers in case of the IP-multicast. In the following sections, the reliability properties of different multicast technologies are overviewed.
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More Results
Customizable Viewlets: A Generic Approach for the Mobile Web
Asynchronous JavaScript and XML (AJAX) is a concept that has been developed to improve the communication between a Web server and a client browser. AJAX allows reloading parts of a Web page without loading the complete page again.
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Developing Context Sensitive BIM Based Applications
Ajax (Asynchronous JavaScript and XML), is a web development technique that enables software developers to create interactive web applications. With Ajax, web applications can retrieve data from the server asynchronously in the background without interfering with the display and behavior of the existing page. In this way AJAX allows the implementation of web-based applications that offer the user the same ‘touch and feel’ than a normal desktop application. AJAX web applications allow software developers to easily adjust BIM based applications to different user contexts.
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Using Computer Mediated Communication as a Tool to Facilitate Intercultural Collaboration of Global Virtual Teams
AJAX stands for asynchronous JavaScript and XML and is a concept for asynchronous data transfer between a Web browser and a server. It is used to improve the speed of the Web sites since it enables partial site updates and also changes the look and feel of Web sites towards native applications.
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An Overview of Web 2.0 and Its Technologies and Their Impact in the Modern Era
Is a technique of Web development that allows the creation of more interactive applications, one of the main objectives is to make the responses of Web pages faster by exchanging small amounts of information with the Web server. It has the philosophy of loading and rendering a page, using script resources running on the client-side, searching, and loading data in the background without the need to reload the page.
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Data Caching in Web Applications
Asynchronous JavaScript and XML.
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E-Learning Function Integration with Corona 2
Acronym for asynchronous javascript and XML, a Web-based client-server interface which enables the document on the client’s browser to request and load data from the server—through a special function in Javascript language—without reloading the entire document in dynamic mode: this option enables the efficacious management of high quality networked interfaces, thereby optimizing information flows.
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An Overview of and Criteria for the Differentiation and Evaluation of RIA Architectures
AJAX stands for Asynchronous JavaScript + XML. It is not one technology, but a combination of technologies. These include HTML, Cascading Stylesheets (CSS), Document Object Model (DOM), XML, Extensible Stylesheet Language Transformations (XSLT), XMLHttpRequest, and JavaScript. HTML and CSS are used for presentation. DOM allows manipulation of the presentation and interaction. XML and XSLT are used for data interchange and manipulation. XMLHttpRequest allows retrieval of data. JavaScript is used to define the underlying logic and interaction of the other technologies.
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Data Caching Patterns
Asynchronous JavaScript and XML.
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The Virtual Public Sphere
AJAX stands for “Asynchronous JavaScript and XML.” It is a technique used to create interactive Web applications, where small parts of a Web site can be refreshed with new content without the need to reload the whole page to reflect any change made by the user.
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A Model-Driven Engineering Approach for Defining Rich Internet Applications: A Web 2.0 Case Study
Acronym of Asynchronous JavaScript and XML. Is a set of programming techniques applied in the client side of a Web browser in order to retrieve only the information which needs to be updated.
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