Owin & katana
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As Web application development takes its next evolutionary step into the world of cloud computing, project Katana provides the underlying set of components to ASP.NET applications, enabling them to be flexible, portable, lightweight, and provide better performance – put another way, project Katana cloud optimizes your ASP.NET applications.
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Owin and katana
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- Katana is a set of OWIN implementations from Microsoft including infrastructure for System.Web and System.Net.HttpListener that are designed for performance and scalability.
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The document discusses new features in Visual Studio 2008 and ASP.NET 3.5, including improved tools for dynamic web application development. Key points covered include enhancements to the IDE like IntelliSense support for JavaScript and AJAX, improved design tools, and better team collaboration features. New ASP.NET 3.5 capabilities like ASP.NET AJAX, LINQ, and Silverlight are also summarized, providing developers with improved tools and technologies for creating rich interactive web applications.
Web Development with ASP.NET: Taking Control of the Digital World
ASP.NET, a popular web development framework developed by
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Web development concepts using microsoft technologies
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Owin & katana
- 1. OWIN & Katana Fabian Vilers @fvilers http://www.linkedin.com/in/fvilers
- 2. Who am I ? Entrepreneur .NET Software Craftsman Role Play Gamer Music Addict Basket-Ball Fan Poker Player
- 3. Who are you ?
- 5. Motivations Challenges raised by the historical model Classic ASP (1996) ASP.NET (2002) Evolutionary steps ASP.NET MVC (2009) & ASP.NET Web API (2012) The future A nimble framework Equally simple as starting with Node.js
- 6. Classic ASP
- 7. Classic ASP Dynamic and data-driven Server-side scripts Abstraction of HTTP protocol and web server Challenging as growing in size and complexity Lack of structure Duplication of code
- 8. ASP.NET
- 9. ASP.NET Object-oriented Similar design time experience for WinForms developers Rich set of user interface controls and infrastructure features Server-side event model Hide as much as possible the web’s stateless nature Tighly coupled with System.Web.dll and IIS Included as part of the .NET framework
- 10. ASP.NET MVC
- 11. ASP.NET MVC Small, focused and pluggable components Greater control over application and markup Not included in .NET framework and released as an independant download Static markup with dynamic sections Client scripting and AJAX friendly
- 12. ASP.NET Web API ASP.NET MVC helped the rise of Web APIs Evolved from ASP.NET MVC as a more modular framework Released via NuGet packages and iterated more indenpendently No dependencies to System.Web.dll thus, no dependencies to IIS Capable to run in a custom host
- 13. OWIN Open Web Interface for .NET Decouple server and application to create an abstraction As few as possible dependencies on other framework types New components could be more easily developed and consumed Applications are more easily ported between hosts, plateforms and operating systems Stimulate the open source ecosystem Inspired by the benefits achieved by Rack (Ruby community)
- 14. OWIN Two core elements Environment dictionary populated by the OWIN web server Application delegate that accepts the environment dictionary as input and output a task Very small number of dependencies Asynchronous design Atomic unit of execution
- 15. OWIN Pipeline Host •IIS •OwinHost.exe •Custom Server •System.Web •HttpListener •WebListener Middleware •Authentication Middleware •Logging Application Framework •Web API •SignalR Application •Your app
- 16. Project Katana Building and hosting OWIN-based web applications Portable Components should be substituable for new components Modular, flexible Components should be small and focused Lightweight, performant, scalable Components are explicitly added to the pipeline Consume fewer resources and handle more load
- 17. Let’s write some code!
- 18. Links OWIN Specification: http://owin.org/spec/owin-1.0.0.html Katana Project: http://katanaproject.codeplex.com Code from the demo: https://github.com/fvilers/OWIN-Katana