diff --git a/xos/observers/vtn/steps/sync_tenant.py b/xos/observers/vtn/steps/sync_tenant.py
index 45f8722..5e8d0a2 100644
--- a/xos/observers/vtn/steps/sync_tenant.py
+++ b/xos/observers/vtn/steps/sync_tenant.py
@@ -17,6 +17,9 @@
 
 logger = Logger(level=logging.INFO)
 
+# XXX should save and load this
+glo_saved_vtn_maps = []
+
 class SyncTenant(SyncStep):
     provides=[Tenant]
     observes=Tenant
@@ -24,10 +27,13 @@
 
     def __init__(self, **args):
         SyncStep.__init__(self, **args)
-        self.saved_vtn_maps = []  # TODO: load this
 
     def call(self, **args):
+        global glo_saved_vtn_maps
+
         logger.info("sync'ing vtn services")
+
+        vtn_maps = []
         for service in Service.objects.all():
            for id in service.get_vtn_src_ids():
                dependencies = service.get_vtn_dependencies_ids()
@@ -36,13 +42,16 @@
                        vtn_maps.append( (id, dependency) )
 
         for vtn_map in vtn_maps:
-            if not (vtn_map in self.saved_vtn_maps):
-               pass # call vtn rest api to add map
+            if not (vtn_map in glo_saved_vtn_maps):
+               print "XXX", vtn_map, glo_saved_vtn_maps
+               # call vtn rest api to add map
+               print "POST /onos/cordvtn/service-dependency/%s/%s" % (vtn_map[0], vtn_map[1])
 
-        for vtn_map in self.saved_vtn_maps:
+        for vtn_map in glo_saved_vtn_maps:
             if not vtn_map in vtn_maps:
-                pass # call vtn rest api to delete map
+                # call vtn rest api to delete map
+                print "DELETE /onos/cordvtn/service-dependency/%s" % (vtn_map[0],)
 
-        self.saved_vtn_maps = vtn_maps
+        glo_saved_vtn_maps = vtn_maps
         # TODO: save this