diff --git a/include/IPAMRequest.h b/include/IPAMRequest.h
index 394cf9e8bb..27a7eb1dcb 100644
--- a/include/IPAMRequest.h
+++ b/include/IPAMRequest.h
@@ -33,8 +33,8 @@ public:
     /* IPAM Request constructors                                              */
     /* ---------------------------------------------------------------------- */
     IPAMRequest(const std::string& _ar_xml) :
-        ar_xml(_ar_xml), address_xml("<ADDRESS></MAC></IP></IP6_GLOBAL>"
-                "</IP6_ULA></SIZE></ADDRESS>"){};
+        ar_xml(_ar_xml), address_xml("<ADDRESS><MAC/><IP/><IP6_GLOBAL/>"
+                "<IP6_ULA/><SIZE/></ADDRESS>"){};
 
     IPAMRequest(const std::string& _ar_xml, const std::string& _address_xml) :
         ar_xml(_ar_xml), address_xml(_address_xml){};
diff --git a/share/etc/oned.conf b/share/etc/oned.conf
index 31826d3676..196d688a55 100644
--- a/share/etc/oned.conf
+++ b/share/etc/oned.conf
@@ -565,6 +565,24 @@ MARKET_MAD = [
     ARGUMENTS  = "-t 15 -m http,s3,one"
 ]
 
+#*******************************************************************************
+# IPAM Driver Configuration
+#*******************************************************************************
+# Drivers to manage different IPAMs
+#   executable: path of the IPAM driver executable, can be an
+#               absolute path or relative to $ONE_LOCATION/lib/mads (or
+#               /usr/lib/one/mads/ if OpenNebula was installed in /)
+#
+#   arguments : for the driver executable
+#       -t number of threads, i.e. number of operations at the same time
+#       -i IPAM mads separated by commas
+#*******************************************************************************
+
+IPAM_MAD = [
+    EXECUTABLE = "one_ipam",
+    ARGUMENTS  = "-t 1 -i dummy"
+]
+
 #*******************************************************************************
 # Hook Manager Configuration
 #*******************************************************************************
diff --git a/src/ipamm/IPAMManager.cc b/src/ipamm/IPAMManager.cc
index 900ee43949..00512f6373 100644
--- a/src/ipamm/IPAMManager.cc
+++ b/src/ipamm/IPAMManager.cc
@@ -37,11 +37,11 @@ extern "C" void * ipamm_action_loop(void *arg)
 
     ipamm = static_cast<IPAMManager *>(arg);
 
-    NebulaLog::log("IpamM",Log::INFO,"IPAM Manager started.");
+    NebulaLog::log("IPM",Log::INFO,"IPAM Manager started.");
 
     ipamm->am.loop(ipamm->timer_period, 0);
 
-    NebulaLog::log("IpamM",Log::INFO,"IPAM Manager stopped.");
+    NebulaLog::log("IPM",Log::INFO,"IPAM Manager stopped.");
 
     return 0;
 }
diff --git a/src/ipamm_mad/one_ipam.rb b/src/ipamm_mad/one_ipam.rb
index 08a5645776..c1e99ae9b3 100755
--- a/src/ipamm_mad/one_ipam.rb
+++ b/src/ipamm_mad/one_ipam.rb
@@ -31,6 +31,7 @@ $: << RUBY_LIB_LOCATION
 
 require 'scripts_common'
 require 'OpenNebulaDriver'
+require 'rexml/document'
 require 'getoptlong'
 require 'shellwords'
 
@@ -99,7 +100,20 @@ class IPAMDriver < OpenNebulaDriver
     end
     private
 
-    def do_ipam_action(id, ipam, action, arguments)
+    def do_ipam_action(id, action, arguments)
+        begin
+            message = Base64.decode64(arguments)
+            xml_doc = REXML::Document.new(message)
+
+            xml_doc.root
+            ipam = xml_doc.elements['IPAM_DRIVER_ACTION_DATA/AR/IPAM_MAD'].text.strip
+            raise if ipam.empty?
+        rescue
+            send_message(ACTION[action], RESULT[:failure], id,
+                "Cannot perform #{action}, cannot find ipman driver")
+            return
+        end
+
         return if not is_available?(ipam, id, action)
 
         path = File.join(@local_scripts_path, ipam)
diff --git a/src/ipamm_mad/remotes/dummy/register_address_range b/src/ipamm_mad/remotes/dummy/register_address_range
index df8c6d23fc..56535609df 100755
--- a/src/ipamm_mad/remotes/dummy/register_address_range
+++ b/src/ipamm_mad/remotes/dummy/register_address_range
@@ -107,7 +107,7 @@ SIZE="${XPATH_ELEMENTS[i++]}"
 # IPAM should be contact here. As an example we just "echo" the IP sent by
 # OpenNebula or return a fixed sample network
 #-------------------------------------------------------------------------------
-if [ -n $IP ]; then
+if [ "x$IP" != "x" ]; then
     AR=$(cat <<EOF
         AR=[
           TYPE="IP4",
@@ -115,21 +115,21 @@ if [ -n $IP ]; then
           IP="$IP",
           IPAM_MAD="dummy"
         ]
-    EOF
-    )
+EOF
+)
 else
     AR=$(cat <<EOF
         AR=[
           TYPE="IP4",
-          IP  ="10.0.0.10"
+          IP  ="10.0.0.10",
           SIZE="100",
           NETWORK_MASK="255.255.255.0",
           GATEWAY="10.0.0.1",
           DNS="10.0.0.1",
           IPAM_MAD="dummy"
         ]
-    EOF
-    )
+EOF
+)
 fi
 
 echo "$AR"
diff --git a/src/nebula/Nebula.cc b/src/nebula/Nebula.cc
index 5082eb0cbb..ac324addf5 100644
--- a/src/nebula/Nebula.cc
+++ b/src/nebula/Nebula.cc
@@ -843,6 +843,27 @@ void Nebula::start(bool bootstrap_only)
        throw runtime_error("Could not start the Marketplace Manager");
     }
 
+    // ---- IPAM Manager ----
+    try
+    {
+        vector<const VectorAttribute *> ipam_mads ;
+
+        nebula_configuration->get("IPAM_MAD", ipam_mads);
+
+        ipamm = new IPAMManager(timer_period, ipam_mads);
+    }
+    catch (bad_alloc&)
+    {
+        throw;
+    }
+
+    rc = ipamm->start();
+
+    if ( rc != 0 )
+    {
+       throw runtime_error("Could not start the IPAM Manager");
+    }
+
     // -----------------------------------------------------------
     // Load mads
     // -----------------------------------------------------------
@@ -881,6 +902,11 @@ void Nebula::start(bool bootstrap_only)
         goto error_mad;
     }
 
+    if (ipamm->load_mads(0) != 0)
+    {
+        goto error_mad;
+    }
+
     if ( authm != 0 )
     {
         if (authm->load_mads(0) != 0)
@@ -974,6 +1000,7 @@ void Nebula::start(bool bootstrap_only)
     hm->finalize();
     imagem->finalize();
     marketm->finalize();
+	ipamm->finalize();
     aclm->finalize();
 
     //sleep to wait drivers???
@@ -987,6 +1014,8 @@ void Nebula::start(bool bootstrap_only)
     pthread_join(rm->get_thread_id(),0);
     pthread_join(hm->get_thread_id(),0);
     pthread_join(imagem->get_thread_id(),0);
+    pthread_join(marketm->get_thread_id(),0);
+    pthread_join(ipamm->get_thread_id(),0);
 
     if(is_federation_slave())
     {
diff --git a/src/vnm/AddressRangeIPAM.cc b/src/vnm/AddressRangeIPAM.cc
index aeb7fedf28..e27fbb8599 100644
--- a/src/vnm/AddressRangeIPAM.cc
+++ b/src/vnm/AddressRangeIPAM.cc
@@ -29,12 +29,10 @@ int AddressRangeIPAM::from_vattr(VectorAttribute * attr, std::string& error_msg)
     IPAMManager * ipamm = Nebula::instance().get_ipamm();
 
     std::string * ar_xml   = attr->to_xml();
-    std::string * ar_xml64 = one_util::base64_encode(*ar_xml);
 
-    IPAMRequest ir(*ar_xml64);
+    IPAMRequest ir(*ar_xml);
 
     free(ar_xml);
-    free(ar_xml64);
 
     ipamm->trigger(IPAMManager::REGISTER_ADDRESS_RANGE, &ir);