diff --git a/include/types/backend.h b/include/types/backend.h
index c7f9fa3..b36cd41 100644
--- a/include/types/backend.h
+++ b/include/types/backend.h
@@ -48,10 +48,12 @@
 #define BE_LB_HASH_PRM  0x00002  /* hash HTTP URL parameter */
 #define BE_LB_HASH_HDR  0x00003  /* hash HTTP header value */
 #define BE_LB_HASH_RDP  0x00004  /* hash RDP cookie value */
+#define BE_LB_HASH_RND  0x00008  /* hash a random value */
 
 /* BE_LB_RR_* is used with BE_LB_KIND_RR */
 #define BE_LB_RR_DYN    0x00000  /* dynamic round robin (default) */
 #define BE_LB_RR_STATIC 0x00001  /* static round robin */
+#define BE_LB_RR_RANDOM 0x00002  /* random round robin */
 
 /* BE_LB_CB_* is used with BE_LB_KIND_CB */
 #define BE_LB_CB_LC     0x00000  /* least-connections */
@@ -79,6 +81,7 @@
  */
 #define BE_LB_ALGO_NONE (BE_LB_KIND_NONE | BE_LB_NEED_NONE)    /* not defined */
 #define BE_LB_ALGO_RR   (BE_LB_KIND_RR | BE_LB_NEED_NONE)      /* round robin */
+#define BE_LB_ALGO_RND  (BE_LB_KIND_RR | BE_LB_NEED_NONE | BE_LB_RR_RANDOM) /* random value */
 #define BE_LB_ALGO_LC   (BE_LB_KIND_CB | BE_LB_NEED_NONE | BE_LB_CB_LC)    /* least connections */
 #define BE_LB_ALGO_FAS  (BE_LB_KIND_CB | BE_LB_NEED_NONE | BE_LB_CB_FAS)   /* first available server */
 #define BE_LB_ALGO_SRR  (BE_LB_KIND_RR | BE_LB_NEED_NONE | BE_LB_RR_STATIC) /* static round robin */