diff --git a/model/rocketfuel-weights-reader.cc b/model/rocketfuel-weights-reader.cc
new file mode 100644
index 0000000..67559d5
--- /dev/null
+++ b/model/rocketfuel-weights-reader.cc
@@ -0,0 +1,620 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2010 Hajime Tazaki
+ *
+ * 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
+ *
+ * Author: Hajime Tazaki (tazaki@sfc.wide.ad.jp)
+ *         Ilya Moiseenko <iliamo@cs.ucla.edu>
+ */
+
+#include <fstream>
+#include <cstdlib>
+#include <iostream>
+#include <sstream>
+#include <regex.h>
+
+#include "ns3/log.h"
+#include "rocketfuel-weights-reader.h"
+
+namespace ns3 {
+    
+    NS_LOG_COMPONENT_DEFINE ("RocketfuelWeightsReader");
+    
+    NS_OBJECT_ENSURE_REGISTERED (RocketfuelWeightsReader);
+    
+    TypeId RocketfuelWeightsReader::GetTypeId (void)
+    {
+        static TypeId tid = TypeId ("ns3::RocketfuelWeightsReader")
+        .SetParent<Object> ()
+        ;
+        return tid;
+    }
+    
+    RocketfuelWeightsReader::RocketfuelWeightsReader ()
+    {
+        NS_LOG_FUNCTION (this);
+    }
+    
+    RocketfuelWeightsReader::~RocketfuelWeightsReader ()
+    {
+        NS_LOG_FUNCTION (this);
+    }
+    
+    /* uid @loc [+] [bb] (num_neigh) [&ext] -> <nuid-1> <nuid-2> ... {-euid} ... =name[!] rn */
+    
+#define REGMATCH_MAX 16
+    
+#define START "^"
+#define END "$"
+#define SPACE "[ \t]+"
+#define MAYSPACE "[ \t]*"
+    
+#define ROCKETFUEL_MAPS_LINE \
+START "(-*[0-9]+)" SPACE "(@[?A-Za-z0-9,+]+)" SPACE \
+"(\\+)*" MAYSPACE "(bb)*" MAYSPACE \
+"\\(([0-9]+)\\)" SPACE "(&[0-9]+)*" MAYSPACE \
+"->" MAYSPACE "(<[0-9 \t<>]+>)*" MAYSPACE \
+"(\\{-[0-9\\{\\} \t-]+\\})*" SPACE \
+"=([A-Za-z0-9.!-]+)" SPACE "r([0-9])" \
+MAYSPACE END
+    
+#define ROCKETFUEL_WEIGHTS_LINE \
+START "([^ \t]+)" SPACE "([^ \t]+)" SPACE "([0-9.]+)" MAYSPACE END
+    
+    int linksNumber = 0;
+    int nodesNumber = 0;
+    std::map<std::string, Ptr<Node> > nodeMap;
+    
+    NodeContainer
+    RocketfuelWeightsReader::GenerateFromMapsFile (int argc, char *argv[])
+    {
+        std::string uid;
+        std::string loc;
+        std::string ptr;
+        std::string name;
+        std::string nuid;
+        bool dns = false;
+        bool bb = false;
+        int num_neigh_s = 0;
+        unsigned int num_neigh = 0;
+        int radius = 0;
+        std::vector <std::string> neigh_list;
+        NodeContainer nodes;
+        
+        uid = argv[0];
+        loc = argv[1];
+        
+        if (argv[2])
+        {
+            dns = true;
+        }
+        
+        if (argv[3])
+        {
+            bb = true;
+        }
+        
+        num_neigh_s = ::atoi (argv[4]);
+        if (num_neigh_s < 0)
+        {
+            num_neigh = 0;
+            NS_LOG_WARN ("Negative number of neighbors given");
+        }
+        else
+        {
+            num_neigh = num_neigh_s;
+        }
+        
+        /* neighbors */
+        if (argv[6])
+        {
+            char *nbr;
+            char *stringp = argv[6];
+            while ((nbr = strsep (&stringp, " \t")) != NULL)
+            {
+                nbr[strlen (nbr) - 1] = '\0';
+                neigh_list.push_back (nbr + 1);
+            }
+        }
+        if (num_neigh != neigh_list.size ())
+        {
+            NS_LOG_WARN ("Given number of neighbors = " << num_neigh << " != size of neighbors list = " << neigh_list.size ());
+        }
+        
+        /* externs */
+        if (argv[7])
+        {
+            //      euid = argv[7];
+        }
+        
+        /* name */
+        if (argv[8])
+        {
+            name = argv[8];
+        }
+        
+        radius = ::atoi (&argv[9][1]);
+        if (radius > 0)
+        {
+            return nodes;
+        }
+        
+        /* uid @loc [+] [bb] (num_neigh) [&ext] -> <nuid-1> <nuid-2> ... {-euid} ... =name[!] rn */
+        NS_LOG_INFO ("Load Node[" << uid << "]: location: " << loc << " dns: " << dns
+                     << " bb: " << bb << " neighbors: " << neigh_list.size ()
+                     << "(" << "%d" << ") externals: \"%s\"(%d) "
+                     << "name: " << name << " radius: " << radius);
+        
+        //cast bb and dns to void, to suppress variable set but not used compiler warning
+        //in optimized builds
+        (void) bb;
+        (void) dns;
+        
+        // Create node and link
+        if (!uid.empty ())
+        {
+            if (nodeMap[uid] == 0)
+            {
+                Ptr<Node> tmpNode = CreateObject<Node> ();
+                nodeMap[uid] = tmpNode;
+                nodes.Add (tmpNode);
+                nodesNumber++;
+            }
+            
+            for (uint32_t i = 0; i < neigh_list.size (); ++i)
+            {
+                nuid = neigh_list[i];
+                
+                if (nuid.empty ())
+                {
+                    return nodes;
+                }
+                
+                if (nodeMap[nuid] == 0)
+                {
+                    Ptr<Node> tmpNode = CreateObject<Node> ();
+                    nodeMap[nuid] = tmpNode;
+                    nodes.Add (tmpNode);
+                    nodesNumber++;
+                }
+                NS_LOG_INFO (linksNumber << ":" << nodesNumber << " From: " << uid << " to: " << nuid);
+                Link link (nodeMap[uid], uid, nodeMap[nuid], nuid);
+                AddLink (link);
+                linksNumber++;
+            }
+        }
+        return nodes;
+    }
+    
+    NodeContainer
+    RocketfuelWeightsReader::GenerateFromWeightsFile (int argc, char *argv[])
+    {
+        /* uid @loc [+] [bb] (num_neigh) [&ext] -> <nuid-1> <nuid-2> ... {-euid} ... =name[!] rn */
+        std::string sname;
+        std::string tname;
+        char *endptr;
+        NodeContainer nodes;
+        
+        sname = argv[0];
+        tname = argv[1];
+        double v = strtod (argv[2], &endptr); // weight
+        // cast v to void , to suppress 'v' set but not used compiler warning
+        //(void) v;
+        
+        
+        
+        if (*endptr != '\0')
+        {
+            NS_LOG_WARN ("invalid weight: " << argv[2]);
+            return nodes;
+        }
+        
+        // Create node and link
+        if (!sname.empty () && !tname.empty ())
+        {
+            if (nodeMap[sname] == 0)
+            {
+                Ptr<Node> tmpNode = CreateObject<Node> ();
+                nodeMap[sname] = tmpNode;
+                nodes.Add (tmpNode);
+                nodesNumber++;
+            }
+            
+            if (nodeMap[tname] == 0)
+            {
+                Ptr<Node> tmpNode = CreateObject<Node> ();
+                nodeMap[tname] = tmpNode;
+                nodes.Add (tmpNode);
+                nodesNumber++;
+            }
+            NS_LOG_INFO (linksNumber << ":" << nodesNumber << " From: " << sname << " to: " << tname);
+            TopologyReader::ConstLinksIterator iter;
+            bool found = false;
+            for (iter = LinksBegin (); iter != LinksEnd (); iter++)
+            {
+                if ((iter->GetFromNode () == nodeMap[tname])
+                    && (iter->GetToNode () == nodeMap[sname]))
+                {
+                    found = true;
+                    break;
+                }
+            }
+            
+            if (!found)
+            {
+                Link link (nodeMap[sname], sname, nodeMap[tname], tname);
+                std::ostringstream s;
+                s << std::setprecision(2) << v;
+                std::string ss = s.str();
+                link.SetAttribute ("OSPF", ss);
+                AddLink (link);
+                linksNumber++;
+            }
+        }
+        return nodes;
+    }
+    
+    enum RocketfuelWeightsReader::RF_FileType
+    RocketfuelWeightsReader::GetFileType (const char *line)
+    {
+        int ret;
+        regmatch_t regmatch[REGMATCH_MAX];
+        regex_t regex;
+        char errbuf[512];
+        
+        // Check whether MAPS file or not
+        ret = regcomp (&regex, ROCKETFUEL_MAPS_LINE, REG_EXTENDED | REG_NEWLINE);
+        if (ret != 0)
+        {
+            regerror (ret, &regex, errbuf, sizeof (errbuf));
+            return RF_UNKNOWN;
+        }
+        ret = regexec (&regex, line, REGMATCH_MAX, regmatch, 0);
+        if (ret != REG_NOMATCH)
+        {
+            regfree (&regex);
+            return RF_MAPS;
+        }
+        regfree (&regex);
+        
+        // Check whether Weights file or not
+        ret = regcomp (&regex, ROCKETFUEL_WEIGHTS_LINE, REG_EXTENDED | REG_NEWLINE);
+        if (ret != 0)
+        {
+            regerror (ret, &regex, errbuf, sizeof (errbuf));
+            return RF_UNKNOWN;
+        }
+        ret = regexec (&regex, line, REGMATCH_MAX, regmatch, 0);
+        if (ret != REG_NOMATCH)
+        {
+            regfree (&regex);
+            return RF_WEIGHTS;
+        }
+        regfree (&regex);
+        
+        return RF_UNKNOWN;
+    }
+    
+    
+    NodeContainer
+    RocketfuelWeightsReader::Read (void)
+    {
+        std::ifstream topgen;
+        topgen.open (GetFileName ().c_str ());
+        NodeContainer nodes;
+        
+        std::istringstream lineBuffer;
+        std::string line;
+        int lineNumber = 0;
+        enum RF_FileType ftype = RF_UNKNOWN;
+        char errbuf[512];
+        
+        if (!topgen.is_open ())
+        {
+            NS_LOG_WARN ("Couldn't open the file " << GetFileName ());
+            return nodes;
+        }
+        
+        while (!topgen.eof ())
+        {
+            int ret;
+            int argc;
+            char *argv[REGMATCH_MAX];
+            char *buf;
+            
+            lineNumber++;
+            line.clear ();
+            lineBuffer.clear ();
+            
+            getline (topgen, line);
+            buf = (char *)line.c_str ();
+            
+            if (lineNumber == 1)
+            {
+                ftype = GetFileType (buf);
+                if (ftype == RF_UNKNOWN)
+                {
+                    NS_LOG_INFO ("Unknown File Format (" << GetFileName () << ")");
+                    break;
+                }
+            }
+            
+            regmatch_t regmatch[REGMATCH_MAX];
+            regex_t regex;
+            
+            if (ftype == RF_MAPS)
+            {
+                ret = regcomp (&regex, ROCKETFUEL_MAPS_LINE, REG_EXTENDED | REG_NEWLINE);
+                if (ret != 0)
+                {
+                    regerror (ret, &regex, errbuf, sizeof (errbuf));
+                    regfree (&regex);
+                    break;
+                }
+                
+                ret = regexec (&regex, buf, REGMATCH_MAX, regmatch, 0);
+                if (ret == REG_NOMATCH)
+                {
+                    NS_LOG_WARN ("match failed (maps file): %s" << buf);
+                    regfree (&regex);
+                    break;
+                }
+            }
+            else if (ftype == RF_WEIGHTS)
+            {
+                ret = regcomp (&regex, ROCKETFUEL_WEIGHTS_LINE, REG_EXTENDED | REG_NEWLINE);
+                if (ret != 0)
+                {
+                    regerror (ret, &regex, errbuf, sizeof (errbuf));
+                    regfree (&regex);
+                    break;
+                }
+                
+                ret = regexec (&regex, buf, REGMATCH_MAX, regmatch, 0);
+                if (ret == REG_NOMATCH)
+                {
+                    NS_LOG_WARN ("match failed (weights file): %s" << buf);
+                    regfree (&regex);
+                    break;
+                }
+            }
+            
+            line = buf;
+            argc = 0;
+            
+            /* regmatch[0] is the entire strings that matched */
+            for (int i = 1; i < REGMATCH_MAX; i++)
+            {
+                if (regmatch[i].rm_so == -1)
+                {
+                    argv[i - 1] = NULL;
+                }
+                else
+                {
+                    line[regmatch[i].rm_eo] = '\0';
+                    argv[i - 1] = &line[regmatch[i].rm_so];
+                    argc = i;
+                }
+            }
+            
+            if (ftype == RF_MAPS)
+            {
+                nodes.Add (GenerateFromMapsFile (argc, argv));
+            }
+            else if (ftype == RF_WEIGHTS)
+            {
+                nodes.Add (GenerateFromWeightsFile (argc, argv));
+            }
+            else
+            {
+                NS_LOG_WARN ("Unsupported file format (only Maps/Weights are supported)");
+            }
+            
+            regfree (&regex);
+        }
+        
+        
+        topgen.close ();
+        
+        NS_LOG_INFO ("Rocketfuel topology created with " << nodesNumber << " nodes and " << linksNumber << " links");
+        return nodes;
+    }
+    
+    
+void
+RocketfuelWeightsReader::ApplySettings(NetDeviceContainer* ndc, NodeContainer* nc)
+{
+  InternetStackHelper stack;
+  Ipv4AddressHelper address;
+  address.SetBase ("10.1.0.0", "255.255.0.0");
+        
+  Ipv4GlobalRoutingHelper ipv4RoutingHelper ("ns3::Ipv4GlobalRoutingOrderedNexthops");
+  stack.SetRoutingHelper (ipv4RoutingHelper);
+        
+  //This loop passes all links and checks if ipv4 is installed on the node
+  // if not, it installs. 
+  // We can't use stack.Install(nc) because in nc there are duplicates and assertion fails
+        TopologyReader::ConstLinksIterator iter;
+        int j = 0;
+        for ( iter = this->LinksBegin (); iter != this->LinksEnd (); iter++, j++ )
+        {
+            NodeContainer twoNodes = nc[j];
+            
+            Ptr<Node> nd = twoNodes.Get(0);
+            if(nd==NULL)
+                NS_LOG_INFO("nd = null");
+            
+            Ptr<Node> nd2 = twoNodes.Get(1);
+            if(nd2==NULL)
+                NS_LOG_INFO("nd2 = null");
+            
+            Ptr<Ipv4> ipv4 = nd->GetObject<Ipv4>();
+            if(ipv4 == 0)
+            {
+                NS_LOG_INFO("ipv4 = null");
+                stack.Install(nd);
+            }
+            
+            Ptr<Ipv4> ipv42 = nd2->GetObject<Ipv4>();
+            if(ipv42 == 0)
+            {
+                NS_LOG_INFO("ipv42 = null");
+                stack.Install(nd2);
+            }
+            
+            //NS_LOG_INFO("#netdevices = " << nd->GetNDevices());
+            //NS_LOG_INFO("#netdevices = " << nd2->GetNDevices());
+        }
+        
+        NS_LOG_INFO("ITER2");
+        
+        PointToPointHelper p2p;
+        TopologyReader::ConstLinksIterator iter2;
+        int i = 0;
+        for ( iter2 = this->LinksBegin (); iter2 != this->LinksEnd (); iter2++, i++ )
+        {
+            p2p.SetDeviceAttribute("DataRate", StringValue("9920000Kbps"));
+            p2p.SetChannelAttribute("Delay", StringValue("10ms"));
+            p2p.SetQueue("ns3::DropTailQueue","MaxPackets",StringValue("100"));
+            ndc[i] = p2p.Install(nc[i]);
+            
+            
+            NodeContainer twoNodes = nc[i];
+            
+            Ptr<Node> nd = twoNodes.Get(0);
+            if(nd==NULL)
+                NS_LOG_INFO("nd = null");
+            
+            
+            
+            Ptr<Node> nd2 = twoNodes.Get(1);
+            if(nd2==NULL)
+                NS_LOG_INFO("nd2 = null");
+            
+            //NS_LOG_INFO("1");
+            NS_LOG_INFO("#netdevices = " << nd->GetNDevices());
+            NS_LOG_INFO("#netdevices = " << nd2->GetNDevices());
+            
+            Ptr<NetDevice> device = nd->GetDevice(nd->GetNDevices()-1)->GetObject<PointToPointNetDevice> ();
+            
+            if(device==NULL)
+                NS_LOG_INFO("device = 0");
+            
+            std::string ospf = iter2->GetAttribute("OSPF");
+            double metric_d = atof(ospf.c_str());
+            uint16_t metric = static_cast<int>(metric_d * 10); 
+            NS_LOG_INFO("OSPF metric = " << metric);
+            
+            {
+                NetDeviceContainer* temp = new NetDeviceContainer[1];
+                temp->Add(device);
+                address.Assign (*temp);
+            }
+            
+            Ptr<Ipv4> ipv4 = nd->GetObject<Ipv4>();
+            if(ipv4 == 0)
+            {
+                NS_LOG_INFO("ipv4 = null");
+                //stack.Install(nd);
+                /*NetDeviceContainer* temp = new NetDeviceContainer[1];
+                 temp->Add(device);
+                 address.Assign (*temp);
+                 ipv4 = nd->GetObject<Ipv4>();*/
+            }
+            
+            NS_LOG_INFO("Before GetID");
+            int32_t interfaceId = ipv4->GetInterfaceForDevice(device);
+            NS_LOG_INFO("InterfaceID = " << interfaceId);
+            ipv4->SetMetric(interfaceId,metric);
+            
+            
+            
+            
+            
+            /*Ptr<Ipv4> ipv4 = nd->GetObject<Ipv4>();
+             
+             if(ipv4 == 0)
+             NS_LOG_INFO("ipv4 = null");
+             int32_t interfaceId = ipv4->GetInterfaceForDevice(device);
+             ipv4->SetMetric(interfaceId,metric);*/
+            
+            //Ptr<Ipv4Interface> interface = nd->GetDevice(nd->GetNDevices()-1)->GetObject<Ipv4Interface> ();
+            //ipv4->SetMetric(metric);
+            
+            //NS_LOG_INFO("2");
+            
+            Ptr<NetDevice> device2 = nd2->GetDevice(nd2->GetNDevices()-1)->GetObject<PointToPointNetDevice> ();
+            
+            if(device2==NULL)
+                NS_LOG_INFO("device2 = 0");
+            
+            {
+                NetDeviceContainer* temp = new NetDeviceContainer[1];
+                temp->Add(device2);
+                address.Assign (*temp);
+            }
+            
+            Ptr<Ipv4> ipv42 = nd2->GetObject<Ipv4>();
+            if(ipv42 == 0)
+            {
+                NS_LOG_INFO("ipv42 = null");
+                /*stack.Install(nd2);
+                 NetDeviceContainer* temp = new NetDeviceContainer[1];
+                 temp->Add(device2);
+                 address.Assign (*temp);
+                 ipv42 = nd2->GetObject<Ipv4>();*/
+            }
+            
+            NS_LOG_INFO("Before GetID");
+            interfaceId = ipv42->GetInterfaceForDevice(device2);
+            NS_LOG_INFO("InterfaceID = " << interfaceId);
+            ipv42->SetMetric(interfaceId,metric);
+            
+            
+            
+            /*PointerValue tmp1;
+            device->GetAttribute ("TxQueue", tmp1);
+            //NS_LOG_INFO("2.5");
+            Ptr<Object> txQueue1 = tmp1.GetObject ();
+            
+            PointerValue tmp2;
+            device2->GetAttribute ("TxQueue", tmp2);
+            Ptr<Object> txQueue2 = tmp2.GetObject ();
+            //NS_LOG_INFO("3");
+            Ptr<DropTailQueue> dtq1 = txQueue1->GetObject <DropTailQueue> ();
+            NS_ASSERT (dtq1 != 0);
+            
+            Ptr<DropTailQueue> dtq2 = txQueue2->GetObject <DropTailQueue> ();
+            NS_ASSERT (dtq2 != 0);
+            
+            std::string queuesize1 = iter2->GetAttribute("QueueSizeNode1");
+            std::string queuesize2 = iter2->GetAttribute("QueueSizeNode2");
+            //NS_LOG_INFO("4");
+            txQueue1->SetAttribute("MaxPackets", UintegerValue (atoi(queuesize1.c_str())));
+            txQueue2->SetAttribute("MaxPackets", UintegerValue (atoi(queuesize2.c_str())));
+            
+            UintegerValue limit;
+            txQueue1->GetAttribute ("MaxPackets", limit);
+            NS_LOG_INFO ("NetDevice #"<< device->GetIfIndex() << "has queue limit " << limit.Get () << " packets");
+            
+            txQueue2->GetAttribute ("MaxPackets", limit);
+            NS_LOG_INFO ("NetDevice #"<< device2->GetIfIndex() << "has queue limit " << limit.Get () << " packets");*/
+        }
+    }
+
+    
+} /* namespace ns3 */
+
+