初识ASP.NET CORE：一、HTTP pipeline

 1 Asp.Net
 2 HttpRequest-->
 3 HTTP.exe-->
 4 inetinfo.exe(w3wp.exe)->
 5 ASPNET_ISAPI.DLL-->
 6 Http Pipeline-->ASPNET_WP.EXE-->
 7 HttpRuntime.Init-->
 8 HttpRuntime.ProcessRequest-->
 9 ISAPIRuntime.ProcessRequest-->
10 HttpApplication Factory-->HttpApplication-->
11 HttpModule-->
12 HttpHandler Factory-->HttpHandler-->
13 HttpHandler.ProcessRequest() 
14 BeginRequest
15 AuthenticateRequest，PostAuthenticateRequest
16 AuthorizeRequest，PostAuthorizeRequest
17 ResolveRequestCache，PostResolveRequestCache
18 PostMapRequestHandler
19 AcquireRequestState，PostAcquireRequestState
20 PreRequestHandlerExecute，PostRequestHandlerExecute
21 ReleaseRequestState，PostReleaseRequestState
22 UpdateRequestCache，PostUpdateRequestCache
23 LogRequest，PostLogRequest
24 EndRequest

 1 Asp.Net MVC
 2 HttpRequest-->
 3 HTTP.exe-->
 4 inetinfo.exe(w3wp.exe)->
 5 ASPNET_ISAPI.DLL-->
 6 Http Pipeline-->
 7 HttpRuntime.Init-->
 8 HttpRuntime.ProcessRequest-->
 9 ISAPIRuntime.ProcessRequest-->
10 BeginRequest
11 AuthenticateRequest，PostAuthenticateRequest
12 AuthorizeRequest，PostAuthorizeRequest
13 ResolveRequestCache，PostResolveRequestCache
14 MvcHandler
15 AcquireRequestState，PostAcquireRequestState
16 Controllor,Action
17 View
18 EndRequest

 1 Asp.Net Core
 2 HttpRequest-->
 3 Server-->
 4 HttpApplication-->
 5 MiddleWare(s)(handle features in HttpContext)
 6 MiddleWare(s)(handle features in HttpContext)
 7 MiddleWare(s)(handle features in HttpContext)
 8 (error handling,static file server,authentication,Routing MVC)
 9 .
10 .
11 .