--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tutorial/point-to-point-ipv4-topology.h	Thu Nov 15 18:56:34 2007 -0800
@@ -0,0 +1,49 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef POINT_TO_POINT_IPV4_TOPOLOGY_H
+#define POINT_TO_POINT_IPV4_TOPOLOGY_H
+
+#include "ns3/ptr.h"
+
+namespace ns3 {
+
+class PointToPointChannel;
+class Node;
+class Ipv4Address;
+class Ipv4Mask;
+class DataRate;
+
+class PointToPointIpv4Topology {
+public:
+  static Ptr<PointToPointChannel> CreateChannel (
+    const DataRate& dataRate, const Time& delay);
+
+  static uint32_t AddNetDevice(
+    Ptr<Node> node,
+    Ptr<PointToPointChannel> channel);
+
+  static uint32_t AddAddress(
+    Ptr<Node> node,
+    uint32_t ndIndex,
+    Ipv4Address address,
+    Ipv4Mask mask);
+};
+
+} // namespace ns3
+
+#endif // POINT_TO_POINT_IPV4_TOPOLOGY_H
+