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AspNetCore.Docs/aspnetcore/fundamentals/host/index.md

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Host updates (Generic Host topic) (#6428)
2018-05-17 05:09:24 +08:00
---
title: Host in ASP.NET Core
author: guardrex
description: Learn about the ASP.NET Core Web Host and .NET Generic Host, which are responsible for app startup and lifetime management.
ms.author: riande
ms.custom: mvc
Hosting startup topic updates (#7678)
2018-09-01 00:54:45 +08:00
ms.date: 08/28/2018
Host updates (Generic Host topic) (#6428)
2018-05-17 05:09:24 +08:00
uid: fundamentals/host/index
---
# Host in ASP.NET Core
.NET apps configure and launch a *host*. The host is responsible for app startup and lifetime management. Two host APIs are available for use:
* [Web Host](xref:fundamentals/host/web-host) – Suitable for hosting web apps.
* [Generic Host](xref:fundamentals/host/generic-host) (ASP.NET Core 2.1 or later) – Suitable for hosting non-web apps (for example, apps that run background tasks). In a future release, the Generic Host will be suitable for hosting any kind of app, including web apps. The Generic Host will eventually replace the Web Host.
Hosting startup topic updates (#7678)
2018-09-01 00:54:45 +08:00
For hosting ASP.NET Core *web apps*, developers should use the Web Host based on <xref:Microsoft.AspNetCore.Hosting.IWebHostBuilder>. For hosting *non-web apps*, developers should use the Generic Host based on <xref:Microsoft.Extensions.Hosting.HostBuilder>.
<xref:fundamentals/host/hosted-services>
Learn how to implement background tasks with hosted services in ASP.NET Core.
<xref:fundamentals/configuration/platform-specific-configuration>
Discover how to enhance an ASP.NET Core app from a referenced or unreferenced assembly using an <xref:Microsoft.AspNetCore.Hosting.IHostingStartup> implementation.