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;
 };