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diff --git a/src/DotNetOAuth/Messaging/ProtocolMessageResponse.cs b/src/DotNetOAuth/Messaging/ProtocolMessageResponse.cs
new file mode 100644
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+++ b/src/DotNetOAuth/Messaging/ProtocolMessageResponse.cs
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+//-----------------------------------------------------------------------
+// <copyright file="ProtocolMessageResponse.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOAuth.Messaging {
+	using System;
+	using System.Net;
+	using System.Web;
+
+	/// <summary>
+	/// A protocol message (request or response) that passes between Consumer and Service Provider
+	/// via the user agent using a redirect or form POST submission,
+	/// OR a direct message response.
+	/// </summary>
+	/// <remarks>
+	/// <para>An instance of this type describes the HTTP response that must be sent
+	/// in response to the current HTTP request.</para>
+	/// <para>It is important that this response make up the entire HTTP response.
+	/// A hosting ASPX page should not be allowed to render its normal HTML output
+	/// after this response is sent.  The normal rendered output of an ASPX page 
+	/// can be canceled by calling <see cref="HttpResponse.End"/> after this message
+	/// is sent on the response stream.</para>
+	/// </remarks>
+	public class ProtocolMessageResponse {
+		/// <summary>
+		/// Gets the headers that must be included in the response to the user agent.
+		/// </summary>
+		/// <remarks>
+		/// The headers in this collection are not meant to be a comprehensive list
+		/// of exactly what should be sent, but are meant to augment whatever headers
+		/// are generally included in a typical response.
+		/// </remarks>
+		public WebHeaderCollection Headers { get; internal set; }
+
+		/// <summary>
+		/// Gets the body of the HTTP response.
+		/// </summary>
+		public byte[] Body { get; internal set; }
+
+		/// <summary>
+		/// Gets the HTTP status code to use in the HTTP response.
+		/// </summary>
+		public HttpStatusCode Status { get; internal set; }
+
+		/// <summary>
+		/// Gets or sets a reference to the actual protocol message that
+		/// is being sent via the user agent.
+		/// </summary>
+		internal IProtocolMessage OriginalMessage { get; set; }
+
+		/// <summary>
+		/// Automatically sends the appropriate response to the user agent.
+		/// Requires a current HttpContext.
+		/// </summary>
+		public void Send() {
+			if (HttpContext.Current == null) {
+				throw new InvalidOperationException(Strings.CurrentHttpContextRequired);
+			}
+
+			HttpContext.Current.Response.Clear();
+			HttpContext.Current.Response.StatusCode = (int)this.Status;
+			MessagingUtilities.ApplyHeadersToResponse(this.Headers, HttpContext.Current.Response);
+			if (this.Body != null && this.Body.Length > 0) {
+				HttpContext.Current.Response.OutputStream.Write(this.Body, 0, this.Body.Length);
+				HttpContext.Current.Response.OutputStream.Flush();
+			}
+			HttpContext.Current.Response.OutputStream.Close();
+			HttpContext.Current.Response.End();
+		}
+	}
+}