diff --git a/views/ngXosViews/serviceTopology/env/default.js b/views/ngXosViews/serviceTopology/env/default.js
index 58fbc70..3cd8646 100644
--- a/views/ngXosViews/serviceTopology/env/default.js
+++ b/views/ngXosViews/serviceTopology/env/default.js
@@ -8,6 +8,6 @@
 
 module.exports = {
   host: 'http://clnode078.clemson.cloudlab.us:9999/',
-  xoscsrftoken: '2jDJ7XxDBkpBg3gEr8ckHDHirxV9bjdZ',
-  xossessionid: 'f9z9mj57jyqe3bpg8hrhohdopi929k9n'
+  xoscsrftoken: 'rAOyEY6TnfHM2pCPbknMkkSTn92Il3lv',
+  xossessionid: 'hgw3sukg8w6ec8w8rr8txradxgluiidx'
 };
diff --git a/views/ngXosViews/serviceTopology/spec/sample.test.js b/views/ngXosViews/serviceTopology/spec/sample.test.js
index 45630e9..56f7c8b 100644
--- a/views/ngXosViews/serviceTopology/spec/sample.test.js
+++ b/views/ngXosViews/serviceTopology/spec/sample.test.js
@@ -38,7 +38,9 @@
 
     const levelRelations = [
       {
-        provider_service: 1
+        provider_service: 1,
+        service_specific_attribute: '{"instance_id": "instance1"}',
+        subscriber_tenant: 2
       },
       {
         provider_service: 2
@@ -62,8 +64,15 @@
       let levelServices = Service.findLevelServices(levelRelations, services);
       expect(levelServices.length).toBe(2);
     });
+
+    it('should retrieve all service specific information', () => {
+      let info = Service.findSpecificInformation(levelRelations, 1);
+      expect(info.instance_id).toBe('instance1');
+    });
   });
 
+
+
   describe('given a list of services and a list of relations', () => {
 
     const services = [
@@ -160,24 +169,34 @@
     const instances = [
       [
         {
-          humanReadableName: 'first-slice-instance-1'
+          humanReadableName: 'first-slice-instance-1',
+          id: 1
         },
         {
-          humanReadableName: 'first-slice-instance-2'
+          humanReadableName: 'first-slice-instance-2',
+          id: 2
         }
       ],
       [
         {
-          humanReadableName: 'second-slice-instance'
+          humanReadableName: 'second-slice-instance',
+          id: 3
         }
       ]
     ];
 
+    const service = {
+      service_specific_attribute: {
+        instance_id: 1
+      }
+    };
+
     it('should create a tree grouping instances', () => {
-      const res = Service.buildServiceInterfacesTree(slices, instances);
+      const res = Service.buildServiceInterfacesTree(service, slices, instances);
 
       expect(res[0].name).toBe('First');
       expect(res[0].children[0].name).toBe('first-slice-instance-1');
+      expect(res[0].children[0].active).toBeTruthy();
       expect(res[0].children[1].name).toBe('first-slice-instance-2');
 
       expect(res[1].name).toBe('Second');
diff --git a/views/ngXosViews/serviceTopology/src/css/serviceTopology.css b/views/ngXosViews/serviceTopology/src/css/serviceTopology.css
index cc2b130..283967c 100644
--- a/views/ngXosViews/serviceTopology/src/css/serviceTopology.css
+++ b/views/ngXosViews/serviceTopology/src/css/serviceTopology.css
@@ -51,6 +51,10 @@
 }
 
 .node.instance rect {
+    stroke: #ccc;
+}
+
+.node.instance rect.active {
     stroke: #ff8b00;
 }
 
@@ -74,6 +78,10 @@
     stroke: rgba(157, 4, 183, 0.29);
 }
 .link.instance{
+    stroke: #ccc;
+}
+
+.link.instance.active{
     stroke: rgba(255, 138, 0, 0.65);
 }
 
diff --git a/views/ngXosViews/serviceTopology/src/js/d3.js b/views/ngXosViews/serviceTopology/src/js/d3.js
index 59c3b5f..4672325 100644
--- a/views/ngXosViews/serviceTopology/src/js/d3.js
+++ b/views/ngXosViews/serviceTopology/src/js/d3.js
@@ -181,7 +181,8 @@
           width: 20,
           height: 20,
           x: -10,
-          y: -10
+          y: -10,
+          class: d => d.active ?'' : 'active'
         });
 
       nodeEnter.append('text')
@@ -235,7 +236,7 @@
 
       // Enter any new links at the parent's previous position.
       link.enter().insert('path', 'g')
-        .attr('class', d => `link ${d.target.type}`)
+        .attr('class', d => `link ${d.target.type} ${d.target.active ? '' : 'active'}`)
         .attr('d', function(d) {
           var o = {x: source.x0, y: source.y0};
           return diagonal({source: o, target: o});
@@ -278,7 +279,7 @@
         .duration(serviceTopologyConfig.duration)
         .attr('r', serviceTopologyConfig.circle.selectedRadius);
 
-      ServiceRelation.getServiceInterfaces(d.service.id)
+      ServiceRelation.getServiceInterfaces(d.service)
         .then(interfaceTree => {
 
           const isDetailed = lodash.find(d.children, {type: 'slice'});
diff --git a/views/ngXosViews/serviceTopology/src/js/services.js b/views/ngXosViews/serviceTopology/src/js/services.js
index b3ac3b0..12dedaf 100644
--- a/views/ngXosViews/serviceTopology/src/js/services.js
+++ b/views/ngXosViews/serviceTopology/src/js/services.js
@@ -40,6 +40,22 @@
       });
     };
 
+    const findSpecificInformation = (tenants, rootId) => {
+      var tenants = lodash.filter(tenants, service => {
+        return service.provider_service === rootId && service.subscriber_tenant;
+      });
+
+      var info;
+
+      tenants.forEach((tenant) => {
+        if(tenant.service_specific_attribute){
+          info = JSON.parse(tenant.service_specific_attribute);
+        }
+      });
+
+      return info;
+    };
+
     // find all the service defined by a given array of relations
     const findLevelServices = (relations, services) => {
       const levelServices = [];
@@ -52,14 +68,6 @@
 
     const buildLevel = (tenants, services, rootService, parentName = null) => {
 
-      const tree = {
-        name: rootService.humanReadableName,
-        parent: parentName,
-        type: 'service',
-        service: rootService,
-        children: []
-      };
-
       // build an array of unlinked services
       // these are the services that should still placed in the tree
       var unlinkedServices = lodash.difference(services, [rootService]);
@@ -73,6 +81,16 @@
       // remove this item from the list (performance
       unlinkedServices = lodash.difference(unlinkedServices, levelServices);
 
+      rootService.service_specific_attribute = findSpecificInformation(tenants, rootService.id);
+
+      const tree = {
+        name: rootService.humanReadableName,
+        parent: parentName,
+        type: 'service',
+        service: rootService,
+        children: []
+      };
+
       lodash.forEach(levelServices, (service) => {
         tree.children.push(buildLevel(tenants, unlinkedServices, service, rootService.humanReadableName));
       });
@@ -127,7 +145,15 @@
       return deferred.promise;
     };
 
-    const buildServiceInterfacesTree = (slices, instances) => {
+    const buildServiceInterfacesTree = (service, slices, instances) => {
+
+      const isActive = (service, instance) => {
+        if(service.service_specific_attribute){
+          return service.service_specific_attribute.instance_id === instance.id;
+        }
+        return false;
+      }
+
       var interfaceTree = [];
       lodash.forEach(slices, (slice, i) => {
         let current = {
@@ -135,11 +161,13 @@
           slice: slice,
           type: 'slice',
           children: instances[i].map((instance) => {
+
             return {
               name: instance.humanReadableName,
               children: [],
               type: 'instance',
-              instance: instance
+              instance: instance,
+              active: isActive(service, instance)
             };
 
           })
@@ -149,12 +177,12 @@
       return interfaceTree;
     };
 
-    const getServiceInterfaces = (serviceId) => {
+    const getServiceInterfaces = (service) => {
       var deferred = $q.defer();
 
       var _slices;
 
-      Slice.query({service: serviceId}).$promise
+      Slice.query({service: service.id}).$promise
       .then((slices) => {
         _slices = slices;
         const promisesArr = slices.reduce((promises, slice) => {
@@ -169,7 +197,7 @@
         return $q.all(promisesArr);
       })
       .then((instances) => {
-        deferred.resolve(buildServiceInterfacesTree(_slices, instances));
+        deferred.resolve(buildServiceInterfacesTree(service, _slices, instances));
       });
 
       return deferred.promise;
@@ -184,7 +212,8 @@
       findLevelServices: findLevelServices,
       depthOf: depthOf,
       getServiceInterfaces: getServiceInterfaces,
-      buildServiceInterfacesTree: buildServiceInterfacesTree
+      buildServiceInterfacesTree: buildServiceInterfacesTree,
+      findSpecificInformation: findSpecificInformation
     }
   });