How should i make this ASP.NET MVC Route

- http://www.mysite.com/
- http://www.mysite.com/?page=2
- http://www.mysite.com/?tags=fooBar
- http://www.mysite.com/?page=2&tags=fooBar

// Arrange.
var routes = new RouteCollection();
MvcApplication.RegisterRoutes(routes);

// Act.
context = new FakeHttpContext("~/?page=2&tags=fooBar");
routeData = routes.GetRouteData(context);

// Assert.
Assert.AreEqual("Home", routeData.Values["controller"]);
Assert.AreEqual("Index", routeData.Values["action"]);
Assert.AreEqual(2, routeData.Values["page"]);
Assert.AreEqual("fooBar", routeData.Values["tags"]);

URL: http://www.mysite.com/?page=2&tags=fooBar

public ActionResult Index(string page, string tags)
{
   ViewData["Message"] = string.Format("Page={0}, Tags={1}", page, tags);
   return View();
}