| Subject: Windows Longhorn |
Author:
Zahid Iqbal
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Date Posted: 23:04:37 06/13/05 Mon
Author Host/IP: NoHost/202.174.136.205
Windows Longhorn Details:
Windows Longhorn will feature a task-based (or "iterative") interface. This new 3D user interface, or "user experience," is code-named "Aero" and is based on a new managed graphics API called "Avalon," which replaces earlier graphics APIs such as GDI and GDI+. Comprised of a display engine and managed code, Avalon unifies documents, graphics and applications on the Windows platform, blending them for a more seamless user experience. The layer's Desktop Compositing Engine (DCE) provides one runtime engine application, graphics, video, audio and documents through a browser. The framework of Avalon offers controls for shapes, documents, images, video, animation, 3D, and panels, which programmers may use to assemble content. Avalon is built from the grounds up using vector graphics (a Flash like technology) and 3D based technologies, allowing Longhorn to render special effects, animations, games, and seamless video integration.
These new Longhorn APIs will utilize the XML Application markup language (XAML) to make Longhorn more accessible to developers than ever before. XAML based rich Internet applications will seamlessly be installed using the new “ClickOnce” technology. Whether they are developing stand-alone applications or web application, developers will be using XAML/Avalon, thereby replacing ASP.NET and Windows Forms technologies of .NET. We believe that in due course of time XAML/Avalon will also render obsolete HTML, Flash, SVG, etc. Avalon will be an integral capability of Windows "Longhorn"/WinFX API and will also be supported on Windows XP and Windows Server 2003.
Longhorn will also feature a new communications and collaboration subsystem, dubbed “Indigo”. Indigo is the core for communication in Longhorn. It builds on Microsoft's vision of service-oriented architecture, which itself relies on the Web Services Enhancements (WSE) 2.0 specification for the next generation of Web services. Indigo supports both a Web service-based and a remote connection-based approach to communication. This architecture—and its underlying technologies—are intended to supply a new level of security and power to service-based architecture.
Indigo is a set of technologies for building and running connected systems. It is a new breed of communications infrastructure built around the Web services architecture. Advanced Web services support in Indigo provides secure, reliable, and transacted messaging along with interoperability. Indigo's service-oriented programming model simplifies development of connected systems. Indigo unifies a broad array of distributed systems capabilities in a compassable and extensible architecture, spanning transports, security systems, messaging patterns, encodings, network topologies and hosting models. Like Avalon, Indigo is part of Windows Longhorn and is available to every Longhorn application. Indigo will also be available as a separate download for Windows XP and Windows Server 2003.
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