diff --git a/Hosting.sln b/Hosting.sln
index 09f0ae3c38..bc1fc41d75 100644
--- a/Hosting.sln
+++ b/Hosting.sln
@@ -1,6 +1,6 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26418.1
+VisualStudioVersion = 15.0.26424.2
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{E0497F39-AFFB-4819-A116-E39E361915AB}"
 EndProject
@@ -32,6 +32,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.AspNetCore.Hostin
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TestStartupAssembly1", "test\TestStartupAssembly1\TestStartupAssembly1.csproj", "{39D3B138-37DB-4D03-A5A0-3F2B02EFC671}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.Extensions.Hosting.Abstractions", "src\Microsoft.Extensions.Hosting.Abstractions\Microsoft.Extensions.Hosting.Abstractions.csproj", "{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -178,6 +180,18 @@ Global
 		{39D3B138-37DB-4D03-A5A0-3F2B02EFC671}.Release|Mixed Platforms.Build.0 = Release|Any CPU
 		{39D3B138-37DB-4D03-A5A0-3F2B02EFC671}.Release|x86.ActiveCfg = Release|Any CPU
 		{39D3B138-37DB-4D03-A5A0-3F2B02EFC671}.Release|x86.Build.0 = Release|Any CPU
+		{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
+		{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
+		{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12}.Debug|x86.Build.0 = Debug|Any CPU
+		{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12}.Release|Any CPU.Build.0 = Release|Any CPU
+		{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
+		{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12}.Release|Mixed Platforms.Build.0 = Release|Any CPU
+		{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12}.Release|x86.ActiveCfg = Release|Any CPU
+		{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -195,5 +209,6 @@ Global
 		{FC578F4E-171C-4F82-B301-3ABF6318D082} = {FEB39027-9158-4DE2-997F-7ADAEF8188D0}
 		{542D4600-B232-4B17-A08C-E31EBFA0D74E} = {FEB39027-9158-4DE2-997F-7ADAEF8188D0}
 		{39D3B138-37DB-4D03-A5A0-3F2B02EFC671} = {FEB39027-9158-4DE2-997F-7ADAEF8188D0}
+		{96BC7EEA-64D9-4DA5-8E87-1C18CBFE7D12} = {E0497F39-AFFB-4819-A116-E39E361915AB}
 	EndGlobalSection
 EndGlobal
diff --git a/src/Microsoft.AspNetCore.Hosting.Abstractions/Microsoft.AspNetCore.Hosting.Abstractions.csproj b/src/Microsoft.AspNetCore.Hosting.Abstractions/Microsoft.AspNetCore.Hosting.Abstractions.csproj
index 2e1e76227c..14e9c22b11 100644
--- a/src/Microsoft.AspNetCore.Hosting.Abstractions/Microsoft.AspNetCore.Hosting.Abstractions.csproj
+++ b/src/Microsoft.AspNetCore.Hosting.Abstractions/Microsoft.AspNetCore.Hosting.Abstractions.csproj
@@ -12,6 +12,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Microsoft.AspNetCore.Hosting.Server.Abstractions\Microsoft.AspNetCore.Hosting.Server.Abstractions.csproj" />
+    <ProjectReference Include="..\Microsoft.Extensions.Hosting.Abstractions\Microsoft.Extensions.Hosting.Abstractions.csproj" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Microsoft.AspNetCore.Hosting/Internal/HostedServiceExecutor.cs b/src/Microsoft.AspNetCore.Hosting/Internal/HostedServiceExecutor.cs
index ba6631a225..2237edd221 100644
--- a/src/Microsoft.AspNetCore.Hosting/Internal/HostedServiceExecutor.cs
+++ b/src/Microsoft.AspNetCore.Hosting/Internal/HostedServiceExecutor.cs
@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 
 namespace Microsoft.AspNetCore.Hosting.Internal
diff --git a/src/Microsoft.AspNetCore.Hosting.Abstractions/IHostedService.cs b/src/Microsoft.Extensions.Hosting.Abstractions/IHostedService.cs
similarity index 68%
rename from src/Microsoft.AspNetCore.Hosting.Abstractions/IHostedService.cs
rename to src/Microsoft.Extensions.Hosting.Abstractions/IHostedService.cs
index 7573d36bee..75abac9ef2 100644
--- a/src/Microsoft.AspNetCore.Hosting.Abstractions/IHostedService.cs
+++ b/src/Microsoft.Extensions.Hosting.Abstractions/IHostedService.cs
@@ -1,7 +1,7 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-namespace Microsoft.AspNetCore.Hosting
+namespace Microsoft.Extensions.Hosting
 {
     /// <summary>
     /// Defines methods for objects that are managed by the host.
@@ -9,14 +9,12 @@ namespace Microsoft.AspNetCore.Hosting
     public interface IHostedService
     {
         /// <summary>
-        /// Triggered when the application host has fully started and the server is waiting
-        /// for requests.
+        /// Triggered when the application host is ready to start the service.
         /// </summary>
         void Start();
 
         /// <summary>
         /// Triggered when the application host is performing a graceful shutdown.
-        /// Requests may still be in flight. Shutdown will block until this event completes.
         /// </summary>
         void Stop();
     }
diff --git a/src/Microsoft.Extensions.Hosting.Abstractions/Microsoft.Extensions.Hosting.Abstractions.csproj b/src/Microsoft.Extensions.Hosting.Abstractions/Microsoft.Extensions.Hosting.Abstractions.csproj
new file mode 100644
index 0000000000..aa217c7fb1
--- /dev/null
+++ b/src/Microsoft.Extensions.Hosting.Abstractions/Microsoft.Extensions.Hosting.Abstractions.csproj
@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <Import Project="..\..\build\common.props" />
+
+  <PropertyGroup>
+    <Description>.NET Core hosting and startup abstractions for applications.</Description>
+    <TargetFramework>netstandard1.3</TargetFramework>
+    <NoWarn>$(NoWarn);CS1591</NoWarn>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <PackageTags>hosting</PackageTags>
+  </PropertyGroup>
+
+</Project>
diff --git a/test/Microsoft.AspNetCore.Hosting.Tests/WebHostTests.cs b/test/Microsoft.AspNetCore.Hosting.Tests/WebHostTests.cs
index 75925e0703..711512c321 100644
--- a/test/Microsoft.AspNetCore.Hosting.Tests/WebHostTests.cs
+++ b/test/Microsoft.AspNetCore.Hosting.Tests/WebHostTests.cs
@@ -16,6 +16,7 @@ using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Features;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using Microsoft.Extensions.Primitives;