diff --git a/ospfd/ospf_spf.h b/ospfd/ospf_spf.h
index 1aa871a..50e590d 100644
--- a/ospfd/ospf_spf.h
+++ b/ospfd/ospf_spf.h
@@ -36,11 +36,10 @@
   u_char type;		/* copied from LSA header */
   struct in_addr id;	/* copied from LSA header */
   struct lsa_header *lsa; /* Router or Network LSA */
-  int * stat;		/* Link to LSA status. */
-  u_int32_t distance;	/* from root to this vertex */
-  int backlink;        /* link index of back-link */
-  struct list *child;		/* list of vertex: children in SPF tree*/
-  struct list *nexthop;		/* list of vertex_nexthop from root to this vertex */
+  int *stat;		/* Link to LSA status. */
+  u_int32_t distance;	/* from root to this vertex */  
+  struct list *parents;		/* list of parents in SPF tree */
+  struct list *children;	/* list of children in SPF tree*/
 };
 
 /* A nexthop taken on the root node to get to this (parent) vertex */
@@ -48,7 +47,13 @@
 {
   struct ospf_interface *oi;	/* output intf on root node */
   struct in_addr router;	/* router address to send to */
-  struct vertex *parent;	/* parent in SPF tree */
+};
+
+struct vertex_parent
+{
+  struct vertex_nexthop *nexthop; /* link to nexthop info for this parent */
+  struct vertex *parent;	/* parent vertex */
+  int backlink;			/* index back to parent for router-lsa's */
 };
 
 extern void ospf_spf_calculate_schedule (struct ospf *);