diff --git a/models/peer/peer_cache.go b/models/peer/peer_cache.go
index 789c0e1..0d86776 100644
--- a/models/peer/peer_cache.go
+++ b/models/peer/peer_cache.go
@@ -29,28 +29,7 @@ type PeerCache struct {
 
 // urlFormat formats the URL of the peer with the data type API function
 func (p *PeerCache) urlFormat(hostUrl string, dt tools.DataType) string {
-	// localhost is replaced by the local peer URL
-	// because localhost must collide on a web request security protocol
-	/*localhost := ""
-	if strings.Contains(hostUrl, "localhost") {
-		localhost = "localhost"
-	}
-	if strings.Contains(hostUrl, "127.0.0.1") {
-		localhost = "127.0.0.1"
-	}
-	if localhost != "" {
-		r := regexp.MustCompile("(" + localhost + ":[0-9]+)")
-		t := r.FindString(hostUrl)
-		if t != "" {
-			hostUrl = strings.Replace(hostUrl, t, dt.API()+":8080/oc", -1)
-		} else {
-			hostUrl = strings.ReplaceAll(hostUrl, localhost, dt.API()+":8080/oc")
-		}
-	} else {*/
-	hostUrl = hostUrl + "/" + strings.ReplaceAll(dt.API(), "oc-", "")
-	//}
-	fmt.Println("Contacting", hostUrl)
-	return hostUrl
+	return hostUrl + "/" + strings.ReplaceAll(dt.API(), "oc-", "")
 }
 
 // checkPeerStatus checks the status of a peer
@@ -86,7 +65,7 @@ func (p *PeerCache) LaunchPeerExecution(peerID string, dataID string,
 		// If the peer is not reachable, add the execution to the failed executions list
 		pexec := &PeerExecution{
 			Method:   method.String(),
-			Url:      p.urlFormat((mypeer.Url), dt) + path,  // the url is constitued of : host URL + resource path + action path (ex : mypeer.com/datacenter/resourcetype/path/to/action)
+			Url:      p.urlFormat((mypeer.Url), dt) + path, // the url is constitued of : host URL + resource path + action path (ex : mypeer.com/datacenter/resourcetype/path/to/action)
 			Body:     body,
 			DataType: dt.EnumIndex(),
 			DataID:   dataID,
@@ -99,7 +78,7 @@ func (p *PeerCache) LaunchPeerExecution(peerID string, dataID string,
 			return nil, errors.New("peer not found")
 		}
 		// If the peer is reachable, launch the execution
-		url = p.urlFormat((mypeer.Url), dt) + path       // Format the URL
+		url = p.urlFormat((mypeer.Url), dt) + path     // Format the URL
 		tmp := mypeer.FailedExecution                  // Get the failed executions list
 		mypeer.FailedExecution = []PeerExecution{}     // Reset the failed executions list
 		NewShallowAccessor().UpdateOne(mypeer, peerID) // Update the peer in the db
diff --git a/models/workflow/workflow.go b/models/workflow/workflow.go
index 1ef68fb..9f5f8aa 100644
--- a/models/workflow/workflow.go
+++ b/models/workflow/workflow.go
@@ -31,6 +31,43 @@ func (d *Workflow) GetAccessor(request *tools.APIRequest) utils.Accessor {
 	return NewAccessor(request) // Create a new instance of the accessor
 }
 
+type Deps struct {
+	Source string
+	Dest   string
+}
+
+func (w *Workflow) isDependancy(id string) []Deps {
+	dependancyOfIDs := []Deps{}
+	for _, link := range w.Graph.Links {
+		if _, ok := w.Graph.Items[link.Destination.ID]; !ok {
+			continue
+		}
+		source := w.Graph.Items[link.Destination.ID].Processing
+		if id == link.Source.ID && source != nil {
+			dependancyOfIDs = append(dependancyOfIDs, Deps{Source: source.GetName(), Dest: link.Destination.ID})
+		}
+		sourceWF := w.Graph.Items[link.Destination.ID].Workflow
+		if id == link.Source.ID && sourceWF != nil {
+			dependancyOfIDs = append(dependancyOfIDs, Deps{Source: sourceWF.GetName(), Dest: link.Destination.ID})
+		}
+	}
+	return dependancyOfIDs
+}
+
+func (w *Workflow) GetDependencies(id string) (dependencies []Deps) {
+	for _, link := range w.Graph.Links {
+		if _, ok := w.Graph.Items[link.Source.ID]; !ok {
+			continue
+		}
+		source := w.Graph.Items[link.Source.ID].Processing
+		if id == link.Destination.ID && source != nil {
+			dependencies = append(dependencies, Deps{Source: source.GetName(), Dest: link.Source.ID})
+			continue
+		}
+	}
+	return
+}
+
 func (w *Workflow) GetGraphItems(f func(item graph.GraphItem) bool) (list_datas []graph.GraphItem) {
 	for _, item := range w.Graph.Items {
 		if f(item) {