diff --git a/common/utils/itti_analyzer/common/itti_types.h b/common/utils/itti_analyzer/common/itti_types.h
new file mode 100644
index 0000000000..ddfd8473a6
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+++ b/common/utils/itti_analyzer/common/itti_types.h
@@ -0,0 +1,81 @@
+/*******************************************************************************
+    OpenAirInterface 
+    Copyright(c) 1999 - 2014 Eurecom
+
+    OpenAirInterface is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+
+    OpenAirInterface is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenAirInterface.The full GNU General Public License is 
+   included in this distribution in the file called "COPYING". If not, 
+   see <http://www.gnu.org/licenses/>.
+
+  Contact Information
+  OpenAirInterface Admin: openair_admin@eurecom.fr
+  OpenAirInterface Tech : openair_tech@eurecom.fr
+  OpenAirInterface Dev  : openair4g-devel@eurecom.fr
+  
+  Address      : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
+
+ *******************************************************************************/
+
+/** @brief Intertask Interface common types
+ * Contains type definitions used for generating and parsing ITTI messages.
+ * @author Laurent Winckel <laurent.winckel@eurecom.fr>
+ */
+
+#ifndef _ITTI_TYPES_H_
+#define _ITTI_TYPES_H_
+
+#include <stdint.h>
+
+#define CHARS_TO_UINT32(c1, c2, c3, c4) (((c4) << 24) | ((c3) << 16) | ((c2) << 8) | (c1))
+
+#define MESSAGE_NUMBER_CHAR_FORMAT      "%11u"
+
+/* Intertask message types */
+enum itti_message_types_e
+{
+    ITTI_DUMP_XML_DEFINITION =        CHARS_TO_UINT32 ('\n', 'I', 'x', 'd'),
+    ITTI_DUMP_XML_DEFINITION_END =    CHARS_TO_UINT32 ('i', 'X', 'D', '\n'),
+
+    ITTI_DUMP_MESSAGE_TYPE =          CHARS_TO_UINT32 ('\n', 'I', 'm', 's'),
+    ITTI_DUMP_MESSAGE_TYPE_END =      CHARS_TO_UINT32 ('i', 'M', 'S', '\n'),
+
+    ITTI_STATISTIC_MESSAGE_TYPE =     CHARS_TO_UINT32 ('\n', 'I', 's', 't'),
+    ITTI_STATISTIC_MESSAGE_TYPE_END = CHARS_TO_UINT32 ('i', 'S', 'T', '\n'),
+
+    /* This signal is not meant to be used by remote analyzer */
+    ITTI_DUMP_EXIT_SIGNAL =           CHARS_TO_UINT32 ('e', 'X', 'I', 'T'),
+};
+
+typedef uint32_t itti_message_types_t;
+
+/* Message header is the common part that should never change between
+ * remote process and this one.
+ */
+typedef struct {
+    /* The size of this structure */
+    uint32_t              message_size;
+    itti_message_types_t  message_type;
+} itti_socket_header_t;
+
+typedef struct {
+    char message_number_char[12]; /* 9 chars are needed to store an unsigned 32 bits value in decimal, but must be a multiple of 32 bits to avoid alignment issues */
+} itti_signal_header_t;
+
+
+#define INSTANCE_DEFAULT    (UINT16_MAX - 1)
+#define INSTANCE_ALL        (UINT16_MAX)
+
+typedef uint16_t instance_t;
+
+#endif