diff --git a/pinos/client/connection.c b/pinos/client/connection.c
index 7b53cf933..fa7299bf1 100644
--- a/pinos/client/connection.c
+++ b/pinos/client/connection.c
@@ -87,6 +87,17 @@ connection_add_fd (PinosConnection *conn,
 #define PINOS_DEBUG_MESSAGE(format,args...)
 #endif
 
+static void
+connection_parse_client_update (PinosConnection *conn, PinosMessageClientUpdate *m)
+{
+  void *p;
+
+  p = conn->in.data;
+  memcpy (m, p, sizeof (PinosMessageClientUpdate));
+  if (m->props)
+    m->props = pinos_serialize_dict_deserialize (p, SPA_PTR_TO_INT (m->props));
+}
+
 static void
 connection_parse_notify_global (PinosConnection *conn, PinosMessageNotifyGlobal *ng)
 {
@@ -340,6 +351,29 @@ connection_add_message (PinosConnection *conn,
   return p;
 }
 
+static void
+connection_add_client_update (PinosConnection *conn,
+                              uint32_t         dest_id,
+                              PinosMessageClientUpdate *m)
+{
+  size_t len;
+  void *p;
+  PinosMessageClientUpdate *d;
+
+  len = sizeof (PinosMessageClientUpdate);
+  len += pinos_serialize_dict_get_size (m->props);
+
+  p = connection_add_message (conn, dest_id, PINOS_MESSAGE_CLIENT_UPDATE, len);
+  memcpy (p, m, sizeof (PinosMessageClientUpdate));
+  d = p;
+
+  p = SPA_MEMBER (d, sizeof (PinosMessageClientUpdate), void);
+  if (m->props) {
+    len = pinos_serialize_dict_serialize (p, m->props);
+    d->props = SPA_INT_TO_PTR (SPA_PTRDIFF (p, d));
+  }
+}
+
 static void
 connection_add_notify_global (PinosConnection *conn,
                               uint32_t         dest_id,
@@ -1019,6 +1053,10 @@ pinos_connection_parse_message (PinosConnection *conn,
   spa_return_val_if_fail (conn != NULL, false);
 
   switch (conn->in.type) {
+    case PINOS_MESSAGE_CLIENT_UPDATE:
+      connection_parse_client_update (conn, message);
+      break;
+
     case PINOS_MESSAGE_SYNC:
       if (conn->in.size < sizeof (PinosMessageSync))
         return false;
@@ -1213,6 +1251,10 @@ pinos_connection_add_message (PinosConnection  *conn,
   spa_return_val_if_fail (message != NULL, false);
 
   switch (type) {
+    case PINOS_MESSAGE_CLIENT_UPDATE:
+      connection_add_client_update (conn, dest_id, message);
+      break;
+
     case PINOS_MESSAGE_SYNC:
       p = connection_add_message (conn, dest_id, type, sizeof (PinosMessageSync));
       memcpy (p, message, sizeof (PinosMessageSync));
diff --git a/pinos/client/connection.h b/pinos/client/connection.h
index 4ea926d57..4f8abb0e1 100644
--- a/pinos/client/connection.h
+++ b/pinos/client/connection.h
@@ -35,6 +35,8 @@ typedef struct _PinosConnection PinosConnection;
 typedef enum {
   PINOS_MESSAGE_INVALID                  = 0,
 
+  PINOS_MESSAGE_CLIENT_UPDATE,
+
   PINOS_MESSAGE_SYNC,
   PINOS_MESSAGE_NOTIFY_DONE,
   PINOS_MESSAGE_GET_REGISTRY,
@@ -86,6 +88,11 @@ typedef enum {
 
 #include <pinos/client/introspect.h>
 
+/* PINOS_MESSAGE_CLIENT_UPDATE */
+typedef struct {
+  SpaDict     *props;
+} PinosMessageClientUpdate;
+
 /* PINOS_MESSAGE_SYNC */
 typedef struct {
   uint32_t     seq;
diff --git a/pinos/client/context.c b/pinos/client/context.c
index 93330884b..41bbc0778 100644
--- a/pinos/client/context.c
+++ b/pinos/client/context.c
@@ -551,6 +551,7 @@ pinos_context_connect (PinosContext      *context)
   socklen_t size;
   const char *runtime_dir, *name = NULL;
   int name_size, fd;
+  PinosMessageClientUpdate cu;
   PinosMessageGetRegistry grm;
 
   context_set_state (context, PINOS_CONTEXT_STATE_CONNECTING, NULL);
@@ -608,6 +609,12 @@ pinos_context_connect (PinosContext      *context)
   context->core_proxy->dispatch_func = core_dispatch_func;
   context->core_proxy->dispatch_data = impl;
 
+  cu.props = &context->properties->dict;
+  pinos_proxy_send_message (context->core_proxy,
+                            PINOS_MESSAGE_CLIENT_UPDATE,
+                            &cu,
+                            true);
+
   context->registry_proxy = pinos_proxy_new (context,
                                              SPA_ID_INVALID,
                                              context->uri.registry);
diff --git a/pinos/client/pinos.c b/pinos/client/pinos.c
index ceac1de57..ed34f36cd 100644
--- a/pinos/client/pinos.c
+++ b/pinos/client/pinos.c
@@ -19,6 +19,8 @@
 
 #include <unistd.h>
 #include <stdio.h>
+#include <sys/prctl.h>
+#include <pwd.h>
 
 #include "pinos/client/pinos.h"
 
@@ -35,28 +37,45 @@ pinos_init (int *argc, char **argv[])
 {
 }
 
-static char *
+const char *
 pinos_get_application_name (void)
 {
   return NULL;
 }
 
-static char *
+const char *
 pinos_get_prgname (void)
 {
+  static char tcomm[16+1];
+  spa_zero(tcomm);
+
+  if (prctl (PR_GET_NAME, (unsigned long) tcomm, 0, 0, 0) == 0)
+    return tcomm;
+
   return NULL;
 }
 
-static char *
+const char *
 pinos_get_user_name (void)
 {
+  struct passwd *pw;
+
+  if ((pw = getpwuid (getuid ())))
+    return pw->pw_name;
+
   return NULL;
 }
 
-static char *
+const char *
 pinos_get_host_name (void)
 {
-  return NULL;
+  static char hname[256];
+
+  if (gethostname (hname, 256) < 0)
+    return NULL;
+
+  hname[255] = 0;
+  return hname;
 }
 
 /**
@@ -68,11 +87,12 @@ char *
 pinos_client_name (void)
 {
   char *c;
+  const char *cc;
 
-  if ((c = pinos_get_application_name ()))
-    return strdup (c);
-  else if ((c = pinos_get_prgname ()))
-    return strdup (c);
+  if ((cc = pinos_get_application_name ()))
+    return strdup (cc);
+  else if ((cc = pinos_get_prgname ()))
+    return strdup (cc);
   else {
     asprintf (&c, "pinos-pid-%zd", (size_t) getpid ());
     return c;
diff --git a/pinos/client/pinos.h b/pinos/client/pinos.h
index e4cb7e9fd..a20a9d098 100644
--- a/pinos/client/pinos.h
+++ b/pinos/client/pinos.h
@@ -39,6 +39,11 @@ extern "C" {
 
 void pinos_init (int *argc, char **argv[]);
 
+const char * pinos_get_application_name (void);
+const char * pinos_get_prgname (void);
+const char * pinos_get_user_name (void);
+const char * pinos_get_host_name (void);
+
 char * pinos_client_name (void);
 
 void   pinos_fill_context_properties (PinosProperties *properties);
diff --git a/pinos/client/properties.c b/pinos/client/properties.c
index 26326fb60..e6e376172 100644
--- a/pinos/client/properties.c
+++ b/pinos/client/properties.c
@@ -91,6 +91,29 @@ pinos_properties_new (const char *key, ...)
   return &impl->this;
 }
 
+/**
+ * pinos_properties_new_dict:
+ * @dict: a dict
+ *
+ * Make a new #PinosProperties with given @dict.
+ *
+ * Returns: a new #PinosProperties
+ */
+PinosProperties *
+pinos_properties_new_dict (const SpaDict *dict)
+{
+  unsigned int i;
+  PinosPropertiesImpl *impl;
+
+  impl = calloc (1, sizeof (PinosPropertiesImpl));
+  pinos_array_init (&impl->items);
+
+  for (i = 0; i < dict->n_items; i++)
+    add_func (&impl->this, strdup (dict->items[i].key), strdup (dict->items[i].value));
+
+  return &impl->this;
+}
+
 /**
  * pinos_properties_copy:
  * @properties: a #PinosProperties
diff --git a/pinos/client/properties.h b/pinos/client/properties.h
index e0bffd18f..74d87bb50 100644
--- a/pinos/client/properties.h
+++ b/pinos/client/properties.h
@@ -31,6 +31,7 @@ struct _PinosProperties {
 };
 
 PinosProperties * pinos_properties_new      (const char *key, ...);
+PinosProperties * pinos_properties_new_dict (const SpaDict *dict);
 PinosProperties * pinos_properties_copy     (PinosProperties *properties);
 PinosProperties * pinos_properties_merge    (PinosProperties *oldprops,
                                              PinosProperties *newprops);
diff --git a/pinos/modules/module-autolink.c b/pinos/modules/module-autolink.c
index 252469a79..3d22702f3 100644
--- a/pinos/modules/module-autolink.c
+++ b/pinos/modules/module-autolink.c
@@ -41,7 +41,6 @@ typedef struct {
 static void
 try_link_port (PinosNode *node, PinosPort *port, ModuleImpl *impl)
 {
-  //PinosClient *client;
   PinosProperties *props;
   const char *path;
   char *error = NULL;
@@ -77,12 +76,6 @@ try_link_port (PinosNode *node, PinosPort *port, ModuleImpl *impl)
     if (link == NULL)
       goto error;
 
-#if 0
-    client = pinos_node_get_client (node);
-    if (client)
-      pinos_client_add_object (client, &link->object);
-#endif
-
     pinos_link_activate (link);
   }
   return;
@@ -170,7 +163,7 @@ on_port_removed (PinosListener *listener,
 }
 
 static void
-on_node_created (PinosNode       *node,
+on_node_created (PinosNode  *node,
                  ModuleImpl *impl)
 {
   PinosPort *port;
diff --git a/pinos/server/client.c b/pinos/server/client.c
index 1e0436d5d..c9f634581 100644
--- a/pinos/server/client.c
+++ b/pinos/server/client.c
@@ -179,3 +179,36 @@ pinos_client_destroy (PinosClient * client)
                          sync_destroy,
                          client);
 }
+
+void
+pinos_client_update_properties (PinosClient     *client,
+                                const SpaDict   *dict)
+{
+  PinosMessageClientInfo m;
+  PinosClientInfo info;
+  PinosResource *resource;
+
+  if (client->properties == NULL) {
+    if (dict)
+      client->properties = pinos_properties_new_dict (dict);
+  } else {
+    unsigned int i;
+
+    for (i = 0; i < dict->n_items; i++)
+      pinos_properties_set (client->properties,
+                            dict->items[i].key,
+                            dict->items[i].value);
+  }
+
+  m.info = &info;
+  info.id = client->global->id;
+  info.change_mask = 1 << 0;
+  info.props = client->properties ? &client->properties->dict : NULL;
+
+  spa_list_for_each (resource, &client->resource_list, link) {
+    pinos_resource_send_message (resource,
+                                 PINOS_MESSAGE_CLIENT_INFO,
+                                 &m,
+                                 true);
+  }
+}
diff --git a/pinos/server/client.h b/pinos/server/client.h
index 7131a1724..fa99be903 100644
--- a/pinos/server/client.h
+++ b/pinos/server/client.h
@@ -57,6 +57,8 @@ struct _PinosClient {
 PinosClient *   pinos_client_new                  (PinosCore       *core,
                                                    PinosProperties *properties);
 void            pinos_client_destroy              (PinosClient     *client);
+void            pinos_client_update_properties    (PinosClient     *client,
+                                                   const SpaDict   *dict);
 
 #ifdef __cplusplus
 }
diff --git a/pinos/server/core.c b/pinos/server/core.c
index 593923aca..f2c19136f 100644
--- a/pinos/server/core.c
+++ b/pinos/server/core.c
@@ -16,6 +16,7 @@
  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
+#include <time.h>
 
 #include <pinos/client/pinos.h>
 #include <pinos/server/core.h>
@@ -87,6 +88,15 @@ core_dispatch_func (void             *object,
   PinosCore *this = data;
 
   switch (type) {
+    case PINOS_MESSAGE_CLIENT_UPDATE:
+    {
+      PinosMessageClientUpdate *m = message;
+
+      pinos_client_update_properties (client,
+                                      m->props);
+      break;
+    }
+
     case PINOS_MESSAGE_GET_REGISTRY:
     {
       PinosMessageGetRegistry *m = message;
@@ -189,11 +199,12 @@ core_bind_func (PinosGlobal *global,
   m.info = &info;
   info.id = global->id;
   info.change_mask = ~0;
-  info.user_name = "wim";
-  info.host_name = "wtay";
-  info.version = 0;
+  info.user_name = pinos_get_user_name ();
+  info.host_name = pinos_get_host_name ();
+  info.version = "0";
   info.name = "pinos-0";
-  info.cookie = 0;
+  srandom (time (NULL));
+  info.cookie = random ();
   info.props = NULL;
 
   pinos_resource_send_message (resource,