diff --git a/nlsr_adl.c b/nlsr_adl.c
index f4237fb..767d7bd 100644
--- a/nlsr_adl.c
+++ b/nlsr_adl.c
@@ -47,6 +47,7 @@
 		hnbr->face=nbr->face;
 		hnbr->status=nbr->status;
 		hnbr->last_lsdb_version=0;
+		hnbr->info_interest_timed_out=0;
 
 		struct hashtb_param param_luq = {0};
 		hnbr->lsa_update_queue=hashtb_create(200, &param_luq);
@@ -75,7 +76,7 @@
 	for(i=0;i<adl_element;i++)
 	{
 		nbr=e->data;
-		printf("Neighbor: %s Length: %d Face: %d Status: %d LSDB Version: %ld \n",ccn_charbuf_as_string(nbr->neighbor),(int)nbr->neighbor->length,nbr->face, nbr->status, nbr->last_lsdb_version);	
+		printf("Neighbor: %s Length: %d Face: %d Status: %d LSDB Version: %ld Interest Timed Out: %d\n",ccn_charbuf_as_string(nbr->neighbor),(int)nbr->neighbor->length,nbr->face, nbr->status, nbr->last_lsdb_version,nbr->info_interest_timed_out);	
 		hashtb_next(e);		
 	}
 
@@ -140,3 +141,72 @@
 	
 	hashtb_end(e);
 }
+
+void 
+update_adjacent_timed_out_to_adl(struct ccn_charbuf *nbr, int increment)
+{
+	printf("update_adjacent_timed_out_to_adl called \n");
+
+	int res;
+	struct ndn_neighbor *nnbr;
+
+	struct hashtb_enumerator ee;
+    	struct hashtb_enumerator *e = &ee;
+
+	hashtb_start(nlsr->adl, e);
+	res = hashtb_seek(e, nbr->buf, nbr->length, 0);
+
+	if( res == HT_OLD_ENTRY )
+	{
+		nnbr=e->data;
+		nnbr->info_interest_timed_out += increment;
+	}
+	else if(res == HT_NEW_ENTRY)
+	{
+		hashtb_delete(e);
+	}
+	
+	hashtb_end(e);
+}
+
+void 
+update_adjacent_timed_out_zero_to_adl(struct ccn_charbuf *nbr)
+{
+
+	printf("update_adjacent_timed_out_zero_to_adl called \n");
+	int time_out_number=get_timed_out_number(nbr);
+	update_adjacent_timed_out_to_adl(nbr,-time_out_number);
+
+}
+
+
+int 
+get_timed_out_number(struct ccn_charbuf *nbr)
+{
+
+	printf("get_timed_out_number called \n");
+
+	int res,ret=-1;
+	struct ndn_neighbor *nnbr;
+
+	struct hashtb_enumerator ee;
+    	struct hashtb_enumerator *e = &ee;
+
+	hashtb_start(nlsr->adl, e);
+	res = hashtb_seek(e, nbr->buf, nbr->length, 0);
+
+	if( res == HT_OLD_ENTRY )
+	{
+		nnbr=e->data;
+		ret=nnbr->info_interest_timed_out;
+	}
+	else if(res == HT_NEW_ENTRY)
+	{
+		hashtb_delete(e);
+	}
+	
+	hashtb_end(e);
+
+	return ret;
+	
+}