diff --git a/nlsr.c b/nlsr.c
index f5a826f..ffa1900 100644
--- a/nlsr.c
+++ b/nlsr.c
@@ -396,6 +396,11 @@
 	nlsr->npl = hashtb_create(sizeof(struct name_prefix), &param_npl);
 	nlsr->in_interest.p = &incoming_interest;
 	nlsr->in_content.p = &incoming_content;
+
+	nlsr->lsdb=(struct linkStateDatabase *)malloc(sizeof(struct linkStateDatabase *));
+	nlsr->lsdb->version=(char *)malloc(16);
+	nlsr->lsdb->version="0000000000000000";
+
 	nlsr->is_synch_init=1;
 	nlsr->nlsa_id=0;
 
diff --git a/nlsr.h b/nlsr.h
index 100b69e..9895256 100644
--- a/nlsr.h
+++ b/nlsr.h
@@ -19,6 +19,12 @@
 	struct hashtb *lsa_update_queue;
 };
 
+struct linkStateDatabase
+{
+	char *version;
+	struct hashtb *db;
+};
+
 struct nlsr
 {
 
@@ -34,6 +40,8 @@
 	struct ccn *ccn;
 	char *router_name;
 
+	struct linkStateDatabase *lsdb;
+
 	int is_synch_init;
 	int nlsa_id;
 };
diff --git a/nlsr_ndn.c b/nlsr_ndn.c
index 32ad4f3..4c6d1f5 100644
--- a/nlsr_ndn.c
+++ b/nlsr_ndn.c
@@ -188,14 +188,21 @@
 			}
 			ccn_buf_check_close(d);
 		}
-		if (d->decoder.state < 0)
-			printf("Parse Failed\n");
+		//if (d->decoder.state < 0)
+			//printf("Parse Failed\n");
 		if (comp != NULL)
 			printf("Number in Exclusion Filter is %s\n",comp);
 			
 		/* Now comp points to the start of your potential number, and size is its length */
 	}
 
+	int dbcmp=strncmp(nlsr->lsdb->version,(char *)comp,16);
+	
+	if(dbcmp > 0)
+		printf("Has Updated database (Older: %s New: %s)",comp,nlsr->lsdb->version);
+	else 
+		printf("Data base is not updated than the older one (Older: %s New: %s)",comp,nlsr->lsdb->version);
+
 	
 	
 }
@@ -230,7 +237,7 @@
     	
     	hashtb_start(nlsr->adl, e);
 	adl_element=hashtb_n(nlsr->adl);
-	int mynumber=15;
+	//int mynumber=15;
 
 	for(i=0;i<adl_element;i++)
 	{
@@ -257,7 +264,8 @@
 		ccn_charbuf_append_tt(templ, CCN_DTAG_Exclude, CCN_DTAG);
 		ccnb_tagged_putf(templ, CCN_DTAG_Any, "");
 		ccn_charbuf_reset(c);
-		ccn_charbuf_putf(c, "%u", (unsigned)mynumber);
+		//ccn_charbuf_putf(c, "%u", (unsigned)mynumber);
+		ccn_charbuf_putf(c, "%s", nbr->last_lsdb_version);
 		ccnb_append_tagged_blob(templ, CCN_DTAG_Component, c->buf, c->length);
 		ccn_charbuf_append_closer(templ); /* </Exclude> */
 		ccn_charbuf_append_closer(templ); /* </Interest> */