controller route prefix

use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;

/**
 * @Route("/blog")
 */
class BlogController extends Controller
{
    /**
     * @Route("/", defaults={"page": "1"}, name="blog_index")
     * @Route("/page/{page}", name="blog_index_paginated")
     */
    public function indexAction($page, $_format) { ... }

    /**
     * @Route("/posts/{slug}", name="blog_post")
     */
    public function showAction(Post $post) { ... }
}