diff --git a/include/n2n_define.h b/include/n2n_define.h
index 97e913d..abba7cb 100644
--- a/include/n2n_define.h
+++ b/include/n2n_define.h
@@ -63,6 +63,10 @@
 #define N2N_COMPRESSION_ID_ZSTD		3	/* set if '-z2' cli option is present, available only if compiled with zstd lib */
 #define ZSTD_COMPRESSION_LEVEL		7	/* 1 (faster) ... 22 (more compression) */
 
+/* Federation name and indicators */
+#define FEDERATION_NAME "*Federation"
+enum federation{IS_NO_FEDERATION = 0,IS_FEDERATION = 1};
+
 /* (un)purgeable community indicator (supernode) */
 #define COMMUNITY_UNPURGEABLE		0
 #define COMMUNITY_PURGEABLE		1