Silverlight Streaming - конкурент Youtube

Microsoft® Silverlight™ Streaming by Windows Live™ is a companion service for Silverlight that makes it easier for developers and designers to deliver and scale rich media as part of their Silverlight applications. The service offers web designers and developers a free and convenient solution for hosting and streaming cross-platform, cross-browser media experiences and rich interactive applications that run on Windows™ and Mac. Combined with the ability to create content with Microsoft® Expression Studio and other 3rd party tools, Web designers and content publishers wishing to integrate Silverlight applications into their online properties can enjoy complete control of the end user experience.

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... developers/designers will have continued use of the service with up to 1 million minutes of free video streaming at 700 Kpbs (DVD quality) per site per month. Unlimited streaming will also be available for free with advertising, or with payment of a nominal fee for the service for use without advertising.

Что такое XBAP?

XBAP (сокращенно от XAML Browser Application) - это технология загрузки и выполнения Xaml-приложений в IE (Internet Explorer). После загрузки в IE Xbap-приложение помещается в "песочницу" (security sandbox), которая не позволяет Xbap-приложению причинить вред компьютеру/системе.

XBAP это не тоже самое, что и WPF/E (новое название Silverlight). Хоть обе эти технологии и предназначены для выполнения Xaml-приложений, но WPF/E - это по сути плагин (такой как Flash Player) для браузера и работает с ограниченным Xaml.

Для выполнения Xbap-приложений в Windows XP/2K необходимо установить .NET Framework 3.0 Runtime (не требуется для Windows Vista).

Xbap-приложения можно найти на странице WPF Cornucopia и XBAP FAQ.

Серебряный свет (Silverlight)

Silverlight – это новое названия для WPF/E.

Microsoft® Silverlight™ is a cross-browser, cross-platform plug-in for delivering the next generation of .NET based media experiences and rich interactive applications for the Web. Silverlight offers a flexible programming model that supports AJAX, VB, C#, Python, and Ruby, and integrates with existing Web applications. Silverlight supports fast, cost-effective delivery of high-quality video to all major browsers running on the Mac OS or Windows.

April 15, 2007 -- Today at the 2007 National Association of Broadcasters conference (NAB2007), Microsoft Corp. unveiled Microsoft® Silverlight™, a new cross-browser, cross-platform plug-in for delivering the next generation of media experiences and rich interactive applications (RIAs) for the Web.

Microsoft Silverlight, previously called WPF/E (Windows® Presentation Foundation Everywhere), integrates with existing Web technologies and assets to provide higher-quality experiences with lower costs for media delivery. Delivered to end users through a seamless, fast installation, Silverlight offers consistent experiences to both Macintosh and Windows users on a variety of browsers including Internet Explorer®, Firefox and Safari.

Based on the Microsoft .NET Framework 3.0, Silverlight enables developers and designers to easily use existing skills and tools to deliver media experiences and RIAs for the Web with role-specific tools: for designers, Microsoft Expression® Studio, and for developers, Visual Studio®. New tool and server investments for media professionals include the Microsoft Expression Media Encoder, which will be a feature of Microsoft Expression Media, enables rapid import, compression and Web publishing of digital video imported from a variety of popular formats, including AVI and QuickTime, into WMV. Capable of running on the desktop or Windows Server®, Expression Media Encoder is a template-driven system that integrates seamlessly into existing Web publishing workflows for both live and on-demand content delivery. Expression Media Encoder will be a free download for customers of Expression Media when it is shipped later this year.

Silverlight uses Windows Media Video (WMV), Microsoft’s implementation of the Society of Motion Picture and Television Engineers (SMPTE) VC-1 video standard, enabling immediate compatibility with the millions of hours of content already available on the Web, and adds support for interactive video experiences that scale from full-screen high-definition (HD) to mobile scenarios.

Leading media companies and solution providers have announced support for Silverlight including Akamai Technologies, Brightcove, Eyeblaster, Limelight Networks, Major League Baseball, NaviSite Inc., Netflix, Pinnacle Systems Inc., Rhozet Corp., Skinkers, Sonic Solutions, Tarari Inc., Telestream Inc. and Winnov. All have indicated plans to deliver Silverlight-based experiences for their viewers and customers.

Читать полностью; Введение в .NET; .NET 3.0; Silverlight community site; MIX07; http://www.microsoft.com/silverlight