History Lesson:
2002
ASP.NET Released alongside .Net 1.0
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History Lesson:
2002
ASP.NET Released alongside .Net 1.0
Optimized for desktop LOB customers
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History Lesson:
2002
ASP.NET Released alongside .Net 1.0
Optimized for desktop LOB customers
Designed to run on IIS with System.Web
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History Lesson:
2002
ASP.NET Released alongside .Net 1.0
Optimized for desktop LOB customers
Designed to run on IIS with System.Web
Tightly coupled to IIS
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History Lesson:
2009
ASP.NET MVC released
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History Lesson:
2009
ASP.NET MVC released
Shipped out of band from .Net framework
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History Lesson:
2009
ASP.NET MVC released
Shipped out of band from .Net framework
Still tightly coupled to System.Web, and
therefore IIS
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History Lesson:
Late 2010
Work begins on OWIN specification
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History Lesson:
2012
Web API released
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History Lesson:
2012
Web API released
No dependencies on System.Web
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History Lesson:
2012
Web API released
No dependencies on System.Web
Ability to “Self-Host” without IIS
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History Lesson:
2012
Web API released
No dependencies on System.Web
Ability to “Self-Host” without IIS
Can be hosted on OWIN compatible servers
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OWIN
(Open Web Interface for .Net)
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OWIN
(Open Web Interface for .Net)
Like Rack for Ruby
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OWIN
(Open Web Interface for .Net)
Like Rack for Ruby
Or WSGI for Python
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OWIN
(Open Web Interface for .Net)
Like Rack for Ruby
Or WSGI for Python
Or Connect for Node.js
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OWIN
(Open Web Interface for .Net)
Like Rack for Ruby
Or WSGI for Python
Or Java Servlet Specification for...
Or Connect for Node.js
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OWIN
A specification for hosting abstractions
for .Net web applications. A standard
interface between .Net web servers and
web applications.
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GOALS:
- Paraphrased from owin.org
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decouple server and
application
GOALS:
- Paraphrased from owin.org
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decouple server and
application
GOALS:
- Paraphrased from owin.org
portability enabled by reducing the
abstraction to as few primitives as
possible
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decouple server and
application, encourage
simple modules
GOALS:
- Paraphrased from owin.org
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decouple server and
application, encourage
simple modules
GOALS:
- Paraphrased from owin.org
providing a programming model
that enables the development of
middleware
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decouple server and
application, encourage
simple modules,
stimulate the open
source ecosystem of
.NET web development.
GOALS:
- Paraphrased from owin.org
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decouple server and
application, encourage
simple modules,
stimulate the open
source ecosystem of
.NET web development.
GOALS:
- Paraphrased from owin.org
*Important!
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Application
Application framework
Middleware
Server
Host
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Host
IIS, OwinHost.exe, Custom
{
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{
SystemWeb, HttpListener,
WebListener (unreleased)
Server