diff --git a/src/modules/module-session-manager/client-endpoint/endpoint-stream.c b/src/modules/module-session-manager/client-endpoint/endpoint-stream.c
index b10b76eb3..e31bcbaa5 100644
--- a/src/modules/module-session-manager/client-endpoint/endpoint-stream.c
+++ b/src/modules/module-session-manager/client-endpoint/endpoint-stream.c
@@ -304,6 +304,8 @@ int endpoint_stream_init(struct endpoint_stream *this,
 
 	pw_properties_setf(this->props, PW_KEY_OBJECT_ID, "%u",
 			pw_global_get_id(this->global));
+	pw_properties_setf(this->props, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+			pw_global_get_serial(this->global));
 
 	this->info.version = PW_VERSION_ENDPOINT_STREAM_INFO;
 	this->info.id = pw_global_get_id(this->global);
diff --git a/src/modules/module-session-manager/client-endpoint/endpoint.c b/src/modules/module-session-manager/client-endpoint/endpoint.c
index c53c1045f..16e07f019 100644
--- a/src/modules/module-session-manager/client-endpoint/endpoint.c
+++ b/src/modules/module-session-manager/client-endpoint/endpoint.c
@@ -305,6 +305,7 @@ int endpoint_init(struct endpoint *this,
 		struct pw_properties *properties)
 {
 	static const char * const keys[] = {
+		PW_KEY_OBJECT_SERIAL,
 		PW_KEY_FACTORY_ID,
 		PW_KEY_CLIENT_ID,
 		PW_KEY_DEVICE_ID,
@@ -333,6 +334,8 @@ int endpoint_init(struct endpoint *this,
 
 	pw_properties_setf(this->props, PW_KEY_OBJECT_ID, "%u",
 			pw_global_get_id(this->global));
+	pw_properties_setf(this->props, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+			pw_global_get_serial(this->global));
 
 	this->info.version = PW_VERSION_ENDPOINT_INFO;
 	this->info.id = pw_global_get_id(this->global);
diff --git a/src/modules/module-session-manager/client-session/endpoint-link.c b/src/modules/module-session-manager/client-session/endpoint-link.c
index 562b95145..215cbfdb9 100644
--- a/src/modules/module-session-manager/client-session/endpoint-link.c
+++ b/src/modules/module-session-manager/client-session/endpoint-link.c
@@ -322,6 +322,8 @@ int endpoint_link_init(struct endpoint_link *this,
 
 	pw_properties_setf(this->props, PW_KEY_OBJECT_ID, "%u",
 			pw_global_get_id(this->global));
+	pw_properties_setf(this->props, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+			pw_global_get_serial(this->global));
 
 	this->info.version = PW_VERSION_ENDPOINT_LINK_INFO;
 	this->info.id = pw_global_get_id(this->global);
diff --git a/src/modules/module-session-manager/client-session/session.c b/src/modules/module-session-manager/client-session/session.c
index 21d42977f..498b9323d 100644
--- a/src/modules/module-session-manager/client-session/session.c
+++ b/src/modules/module-session-manager/client-session/session.c
@@ -276,6 +276,7 @@ int session_init(struct session *this,
 		struct pw_properties *properties)
 {
 	static const char * const keys[] = {
+		PW_KEY_OBJECT_SERIAL,
 		PW_KEY_FACTORY_ID,
 		PW_KEY_CLIENT_ID,
 		NULL
@@ -295,6 +296,8 @@ int session_init(struct session *this,
 
 	pw_properties_setf(this->props, PW_KEY_OBJECT_ID, "%u",
 			pw_global_get_id(this->global));
+	pw_properties_setf(this->props, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+			pw_global_get_serial(this->global));
 
 	this->info.version = PW_VERSION_SESSION_INFO;
 	this->info.id = pw_global_get_id(this->global);
diff --git a/src/pipewire/context.c b/src/pipewire/context.c
index 70819e27d..aca5d5668 100644
--- a/src/pipewire/context.c
+++ b/src/pipewire/context.c
@@ -215,6 +215,7 @@ struct pw_context *pw_context_new(struct pw_loop *main_loop,
 
 	pw_array_init(&this->factory_lib, 32);
 	pw_array_init(&this->objects, 32);
+	pw_map_init(&this->globals, 128, 32);
 
 	spa_list_init(&this->core_impl_list);
 	spa_list_init(&this->protocol_list);
@@ -482,6 +483,8 @@ void pw_context_destroy(struct pw_context *context)
 
 	pw_array_clear(&context->objects);
 
+	pw_map_clear(&context->globals);
+
 	spa_hook_list_clean(&context->listener_list);
 	spa_hook_list_clean(&context->driver_listener_list);
 
@@ -579,23 +582,12 @@ int pw_context_for_each_global(struct pw_context *context,
 	return 0;
 }
 
-static struct pw_global *find_global(struct pw_context *context, uint32_t id)
-{
-	struct pw_global *g;
-	spa_list_for_each(g, &context->global_list, link) {
-		if (g->id == id)
-			return g;
-	}
-	return NULL;
-}
-
 SPA_EXPORT
 struct pw_global *pw_context_find_global(struct pw_context *context, uint32_t id)
 {
 	struct pw_global *global;
 
-
-	global = find_global(context, id);
+	global = pw_map_lookup(&context->globals, id);
 	if (global == NULL || !global->registered) {
 		errno = ENOENT;
 		return NULL;
diff --git a/src/pipewire/global.c b/src/pipewire/global.c
index 70e296c51..6b2459279 100644
--- a/src/pipewire/global.c
+++ b/src/pipewire/global.c
@@ -96,9 +96,13 @@ pw_global_new(struct pw_context *context,
 	this->func = func;
 	this->object = object;
 	this->properties = properties;
-	this->id = serial++;
-	if ((uint32_t)this->id == SPA_ID_INVALID)
-		this->id = serial++;
+	this->id = pw_map_insert_new(&context->globals, this);
+	if (this->id == SPA_ID_INVALID) {
+		res = -errno;
+		pw_log_error("%p: can't allocate new id: %m", this);
+		goto error_free;
+	}
+	this->serial = SPA_ID_INVALID;
 
 	spa_list_init(&this->resource_list);
 	spa_hook_list_init(&this->listener_list);
@@ -107,12 +111,24 @@ pw_global_new(struct pw_context *context,
 
 	return this;
 
+error_free:
+	free(impl);
 error_cleanup:
 	pw_properties_free(properties);
 	errno = -res;
 	return NULL;
 }
 
+SPA_EXPORT
+uint64_t pw_global_get_serial(struct pw_global *global)
+{
+	if (global->serial == SPA_ID_INVALID)
+		global->serial = serial++;
+	if ((uint32_t)serial == SPA_ID_INVALID)
+		serial++;
+	return global->serial;
+}
+
 /** register a global to the context registry
  *
  * \param global a global to add
@@ -133,8 +149,8 @@ int pw_global_register(struct pw_global *global)
 
 	spa_list_for_each(registry, &context->registry_resource_list, link) {
 		uint32_t permissions = pw_global_get_permissions(global, registry->client);
-		pw_log_debug("registry %p: global %d %08x",
-				registry, global->id, permissions);
+		pw_log_debug("registry %p: global %d %08x serial:%"PRIu64,
+				registry, global->id, permissions, global->serial);
 		if (PW_PERM_IS_R(permissions))
 			pw_registry_resource_global(registry,
 						    global->id,
@@ -167,6 +183,7 @@ static int global_unregister(struct pw_global *global)
 
 	spa_list_remove(&global->link);
 	global->registered = false;
+	global->serial = SPA_ID_INVALID;
 
 	pw_log_debug("%p: unregistered %u", global, global->id);
 	pw_context_emit_global_removed(context, global);
@@ -335,8 +352,9 @@ int pw_global_update_permissions(struct pw_global *global, struct pw_impl_client
 			pw_registry_resource_global_remove(resource, global->id);
 		}
 		else if (do_show) {
-			pw_log_debug("client %p: resource %p show global %d",
-					client, resource, global->id);
+			pw_log_debug("client %p: resource %p show global %d serial:%"PRIu64,
+					client, resource, global->id,
+					global->serial);
 			pw_registry_resource_global(resource,
 						    global->id,
 						    new_permissions,
@@ -368,6 +386,7 @@ SPA_EXPORT
 void pw_global_destroy(struct pw_global *global)
 {
 	struct pw_resource *resource;
+	struct pw_context *context = global->context;
 
 	global->destroyed = true;
 
@@ -382,6 +401,7 @@ void pw_global_destroy(struct pw_global *global)
 	pw_log_debug("%p: free", global);
 	pw_global_emit_free(global);
 
+	pw_map_remove(&context->globals, global->id);
 	spa_hook_list_clean(&global->listener_list);
 
 	pw_properties_free(global->properties);
diff --git a/src/pipewire/global.h b/src/pipewire/global.h
index 1d49422d0..0cf2a7c5d 100644
--- a/src/pipewire/global.h
+++ b/src/pipewire/global.h
@@ -127,6 +127,9 @@ void *pw_global_get_object(struct pw_global *global);
 /** Get the unique id of the global */
 uint32_t pw_global_get_id(struct pw_global *global);
 
+/** Get the serial number of the global */
+uint64_t pw_global_get_serial(struct pw_global *global);
+
 /** Add a resource to a global */
 int pw_global_add_resource(struct pw_global *global, struct pw_resource *resource);
 
diff --git a/src/pipewire/impl-client.c b/src/pipewire/impl-client.c
index 282a96249..7ccff283f 100644
--- a/src/pipewire/impl-client.c
+++ b/src/pipewire/impl-client.c
@@ -475,6 +475,7 @@ int pw_impl_client_register(struct pw_impl_client *client,
 		       struct pw_properties *properties)
 {
 	static const char * const keys[] = {
+		PW_KEY_OBJECT_SERIAL,
 		PW_KEY_MODULE_ID,
 		PW_KEY_PROTOCOL,
 		PW_KEY_SEC_PID,
@@ -505,6 +506,8 @@ int pw_impl_client_register(struct pw_impl_client *client,
 
 	client->info.id = client->global->id;
 	pw_properties_setf(client->properties, PW_KEY_OBJECT_ID, "%d", client->info.id);
+	pw_properties_setf(client->properties, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+			pw_global_get_serial(client->global));
 	client->info.props = &client->properties->dict;
 	pw_global_add_listener(client->global, &client->global_listener, &global_events, client);
 
diff --git a/src/pipewire/impl-core.c b/src/pipewire/impl-core.c
index 40b263396..85d41e7bb 100644
--- a/src/pipewire/impl-core.c
+++ b/src/pipewire/impl-core.c
@@ -583,6 +583,7 @@ int pw_impl_core_register(struct pw_impl_core *core,
 			 struct pw_properties *properties)
 {
 	static const char * const keys[] = {
+		PW_KEY_OBJECT_SERIAL,
 		PW_KEY_USER_NAME,
 		PW_KEY_HOST_NAME,
 		PW_KEY_CORE_NAME,
@@ -610,6 +611,8 @@ int pw_impl_core_register(struct pw_impl_core *core,
 
 	core->info.id = core->global->id;
 	pw_properties_setf(core->properties, PW_KEY_OBJECT_ID, "%d", core->info.id);
+	pw_properties_setf(core->properties, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+			pw_global_get_serial(core->global));
 	core->info.props = &core->properties->dict;
 
 	pw_global_update_keys(core->global, core->info.props, keys);
diff --git a/src/pipewire/impl-device.c b/src/pipewire/impl-device.c
index 0e4b226aa..3a5c81cb8 100644
--- a/src/pipewire/impl-device.c
+++ b/src/pipewire/impl-device.c
@@ -556,6 +556,7 @@ int pw_impl_device_register(struct pw_impl_device *device,
 		       struct pw_properties *properties)
 {
 	static const char * const keys[] = {
+		PW_KEY_OBJECT_SERIAL,
 		PW_KEY_OBJECT_PATH,
 		PW_KEY_MODULE_ID,
 		PW_KEY_FACTORY_ID,
@@ -588,6 +589,8 @@ int pw_impl_device_register(struct pw_impl_device *device,
 
 	device->info.id = device->global->id;
 	pw_properties_setf(device->properties, PW_KEY_OBJECT_ID, "%d", device->info.id);
+	pw_properties_setf(device->properties, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+			pw_global_get_serial(device->global));
 	device->info.props = &device->properties->dict;
 
 	pw_global_update_keys(device->global, device->info.props, keys);
diff --git a/src/pipewire/impl-factory.c b/src/pipewire/impl-factory.c
index 223a20f52..d216ba5b8 100644
--- a/src/pipewire/impl-factory.c
+++ b/src/pipewire/impl-factory.c
@@ -178,6 +178,7 @@ int pw_impl_factory_register(struct pw_impl_factory *factory,
 			 struct pw_properties *properties)
 {
 	static const char * const keys[] = {
+		PW_KEY_OBJECT_SERIAL,
 		PW_KEY_MODULE_ID,
 		PW_KEY_FACTORY_NAME,
 		PW_KEY_FACTORY_TYPE_NAME,
@@ -204,6 +205,8 @@ int pw_impl_factory_register(struct pw_impl_factory *factory,
 
 	factory->info.id = factory->global->id;
 	pw_properties_setf(factory->properties, PW_KEY_OBJECT_ID, "%d", factory->info.id);
+	pw_properties_setf(factory->properties, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+			pw_global_get_serial(factory->global));
 	pw_properties_set(factory->properties, PW_KEY_FACTORY_NAME, factory->info.name);
 	pw_properties_setf(factory->properties, PW_KEY_FACTORY_TYPE_NAME, "%s", factory->info.type);
 	pw_properties_setf(factory->properties, PW_KEY_FACTORY_TYPE_VERSION, "%d", factory->info.version);
diff --git a/src/pipewire/impl-link.c b/src/pipewire/impl-link.c
index c04883ebb..e38447c9d 100644
--- a/src/pipewire/impl-link.c
+++ b/src/pipewire/impl-link.c
@@ -1346,6 +1346,7 @@ int pw_impl_link_register(struct pw_impl_link *link,
 		     struct pw_properties *properties)
 {
 	static const char * const keys[] = {
+		PW_KEY_OBJECT_SERIAL,
 		PW_KEY_OBJECT_PATH,
 		PW_KEY_MODULE_ID,
 		PW_KEY_FACTORY_ID,
@@ -1385,6 +1386,8 @@ int pw_impl_link_register(struct pw_impl_link *link,
 
 	link->info.id = link->global->id;
 	pw_properties_setf(link->properties, PW_KEY_OBJECT_ID, "%d", link->info.id);
+	pw_properties_setf(link->properties, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+			pw_global_get_serial(link->global));
 	pw_properties_setf(link->properties, PW_KEY_LINK_OUTPUT_NODE, "%u", link->info.output_node_id);
 	pw_properties_setf(link->properties, PW_KEY_LINK_OUTPUT_PORT, "%u", link->info.output_port_id);
 	pw_properties_setf(link->properties, PW_KEY_LINK_INPUT_NODE, "%u", link->info.input_node_id);
diff --git a/src/pipewire/impl-metadata.c b/src/pipewire/impl-metadata.c
index 8c47381a4..c0c391fcf 100644
--- a/src/pipewire/impl-metadata.c
+++ b/src/pipewire/impl-metadata.c
@@ -546,6 +546,9 @@ int pw_impl_metadata_register(struct pw_impl_metadata *metadata,
 	spa_list_append(&context->metadata_list, &metadata->link);
 	metadata->registered = true;
 
+	pw_properties_setf(metadata->properties, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+			pw_global_get_serial(metadata->global));
+
 	pw_global_update_keys(metadata->global, &metadata->properties->dict, keys);
 
 	pw_global_add_listener(metadata->global, &metadata->global_listener, &global_events, metadata);
diff --git a/src/pipewire/impl-module.c b/src/pipewire/impl-module.c
index 0b7d35467..4e5f1894f 100644
--- a/src/pipewire/impl-module.c
+++ b/src/pipewire/impl-module.c
@@ -247,6 +247,8 @@ pw_context_load_module(struct pw_context *context,
 
 	this->info.id = this->global->id;
 	pw_properties_setf(this->properties, PW_KEY_OBJECT_ID, "%d", this->info.id);
+	pw_properties_setf(this->properties, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+			pw_global_get_serial(this->global));
 	this->info.props = &this->properties->dict;
 
 	pw_impl_module_emit_initialized(this);
diff --git a/src/pipewire/impl-node.c b/src/pipewire/impl-node.c
index 7f352eadb..0951031c9 100644
--- a/src/pipewire/impl-node.c
+++ b/src/pipewire/impl-node.c
@@ -678,6 +678,7 @@ int pw_impl_node_register(struct pw_impl_node *this,
 		     struct pw_properties *properties)
 {
 	static const char * const keys[] = {
+		PW_KEY_OBJECT_SERIAL,
 		PW_KEY_OBJECT_PATH,
 		PW_KEY_MODULE_ID,
 		PW_KEY_FACTORY_ID,
@@ -723,6 +724,8 @@ int pw_impl_node_register(struct pw_impl_node *this,
 
 	this->info.id = this->global->id;
 	pw_properties_setf(this->properties, PW_KEY_OBJECT_ID, "%d", this->info.id);
+	pw_properties_setf(this->properties, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+			pw_global_get_serial(this->global));
 	this->info.props = &this->properties->dict;
 
 	pw_global_update_keys(this->global, &this->properties->dict, keys);
diff --git a/src/pipewire/impl-port.c b/src/pipewire/impl-port.c
index 61e54dbac..1b1d0d7c1 100644
--- a/src/pipewire/impl-port.c
+++ b/src/pipewire/impl-port.c
@@ -889,6 +889,7 @@ int pw_impl_port_register(struct pw_impl_port *port,
 		     struct pw_properties *properties)
 {
 	static const char * const keys[] = {
+		PW_KEY_OBJECT_SERIAL,
 		PW_KEY_OBJECT_PATH,
 		PW_KEY_FORMAT_DSP,
 		PW_KEY_NODE_ID,
@@ -924,6 +925,8 @@ int pw_impl_port_register(struct pw_impl_port *port,
 	port->info.id = port->global->id;
 	pw_properties_setf(port->properties, PW_KEY_NODE_ID, "%d", node->global->id);
 	pw_properties_setf(port->properties, PW_KEY_OBJECT_ID, "%d", port->info.id);
+	pw_properties_setf(port->properties, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+			pw_global_get_serial(port->global));
 	port->info.props = &port->properties->dict;
 
 	pw_global_update_keys(port->global, &port->properties->dict, keys);
diff --git a/src/pipewire/keys.h b/src/pipewire/keys.h
index cf07ebc99..231b73801 100644
--- a/src/pipewire/keys.h
+++ b/src/pipewire/keys.h
@@ -64,6 +64,10 @@ extern "C" {
 /** object properties */
 #define PW_KEY_OBJECT_PATH		"object.path"		/**< unique path to construct the object */
 #define PW_KEY_OBJECT_ID		"object.id"		/**< a global object id */
+#define PW_KEY_OBJECT_SERIAL		"object.serial"		/**< a 64 bit object serial number. This is a number
+								  *  incremented for each object that is created.
+								  *  The lower 32 bits are guaranteed to never be
+								  *  SPA_ID_INVALID. */
 #define PW_KEY_OBJECT_LINGER		"object.linger"		/**< the object lives on even after the client
 								  *  that created it has been destroyed */
 #define PW_KEY_OBJECT_REGISTER		"object.register"	/**< If the object should be registered. */
diff --git a/src/pipewire/private.h b/src/pipewire/private.h
index c56edf9cb..8a5623e7b 100644
--- a/src/pipewire/private.h
+++ b/src/pipewire/private.h
@@ -331,6 +331,7 @@ struct pw_global {
 
 	pw_global_bind_func_t func;	/**< bind function */
 	void *object;			/**< object associated with the interface */
+	uint64_t serial;		/**< increasing serial number */
 
 	struct spa_list resource_list;	/**< The list of resources of this global */
 
@@ -421,6 +422,8 @@ struct pw_context {
 
 	struct pw_mempool *pool;		/**< global memory pool */
 
+	struct pw_map globals;			/**< map of globals */
+
 	struct spa_list core_impl_list;		/**< list of core_imp */
 	struct spa_list protocol_list;		/**< list of protocols */
 	struct spa_list core_list;		/**< list of core connections */