diff --git a/zaqar/storage/base.py b/zaqar/storage/base.py
index 1971f6813..74f270bad 100644
--- a/zaqar/storage/base.py
+++ b/zaqar/storage/base.py
@@ -699,6 +699,37 @@ class Subscription(ControllerBase):
         """
         raise NotImplementedError
 
+    @abc.abstractmethod
+    def get_with_subscriber(self, queue, subscriber, project=None):
+        """Base method for get a subscription with the subscriber.
+
+        :param queue: Name of the queue subscription belongs to.
+        :type queue: six.text_type
+        :param subscriber: link of the subscription to be notified.
+        :type subscriber: six.text_type
+        :param project: Project id
+        :type project: six.text_type
+        :returns: Dictionary containing subscription data
+        :rtype: dict
+        """
+        raise NotImplementedError
+
+    @abc.abstractmethod
+    def confirm(self, queue, subscription_id, project=None, confirmed=True):
+        """Base method for confirming a subscription.
+
+        :param queue: Name of the queue subscription belongs to.
+        :type queue: six.text_type
+        :param subscription_id: ID of the subscription to be deleted.
+        :type subscription_id: six.text_type
+        :param project: Project id
+        :type project: six.text_type
+        :param confirmed: Confirm a subscription or cancel the confirmation of
+        a subscription.
+        :type confirmed: boolean
+        """
+        raise NotImplementedError
+
 
 @six.add_metaclass(abc.ABCMeta)
 class PoolsBase(ControllerBase):
diff --git a/zaqar/storage/mongodb/subscriptions.py b/zaqar/storage/mongodb/subscriptions.py
index d9f872e00..474d9c93a 100644
--- a/zaqar/storage/mongodb/subscriptions.py
+++ b/zaqar/storage/mongodb/subscriptions.py
@@ -164,10 +164,11 @@ class SubscriptionController(base.Subscription):
         return _basic_subscription(res, now)
 
     @utils.raises_conn_error
-    def confirm(self, queue, subscription_id, project=None, confirm=True):
+    def confirm(self, queue, subscription_id, project=None, confirmed=True):
 
         res = self._collection.update({'_id': utils.to_oid(subscription_id),
-                                       'p': project}, {'$set': {'c': confirm}},
+                                       'p': project},
+                                      {'$set': {'c': confirmed}},
                                       upsert=False)
         if not res['updatedExisting']:
             raise errors.SubscriptionDoesNotExist(subscription_id)
diff --git a/zaqar/storage/pooling.py b/zaqar/storage/pooling.py
index bf771c6ed..77a4fceef 100644
--- a/zaqar/storage/pooling.py
+++ b/zaqar/storage/pooling.py
@@ -409,11 +409,11 @@ class SubscriptionController(storage.Subscription):
             return control.exists(queue, subscription_id,
                                   project=project)
 
-    def confirm(self, queue, subscription_id, project=None, confirm=None):
+    def confirm(self, queue, subscription_id, project=None, confirmed=None):
         control = self._get_controller(queue, project)
         if control:
             return control.confirm(queue, subscription_id,
-                                   project=project, confirm=confirm)
+                                   project=project, confirmed=confirmed)
 
     def get_with_subscriber(self, queue, subscriber, project=None):
         control = self._get_controller(queue, project)
diff --git a/zaqar/storage/redis/models.py b/zaqar/storage/redis/models.py
index 07cecd2df..825b4ba33 100644
--- a/zaqar/storage/redis/models.py
+++ b/zaqar/storage/redis/models.py
@@ -22,7 +22,7 @@ from oslo_utils import encodeutils
 from oslo_utils import timeutils
 
 MSGENV_FIELD_KEYS = (b'id', b't', b'cr', b'e', b'u', b'c', b'c.e')
-SUBENV_FIELD_KEYS = (b'id', b's', b'u', b't', b'e', b'o', b'p')
+SUBENV_FIELD_KEYS = (b'id', b's', b'u', b't', b'e', b'o', b'p', b'c')
 
 
 # TODO(kgriffs): Make similar classes for claims and queues
@@ -115,6 +115,7 @@ class SubscriptionEnvelope(object):
         'expires',
         'options',
         'project',
+        'confirmed',
     ]
 
     def __init__(self, **kwargs):
@@ -124,6 +125,7 @@ class SubscriptionEnvelope(object):
         self.ttl = kwargs['ttl']
         self.expires = kwargs.get('expires', float('inf'))
         self.options = kwargs['options']
+        self.confirmed = kwargs.get('confirmed', 'True')
 
     @staticmethod
     def from_redis(sid, client):
@@ -144,6 +146,7 @@ class SubscriptionEnvelope(object):
 
     def to_basic(self, now):
         created = self.expires - self.ttl
+        is_confirmed = self.confirmed == str(True)
         basic_msg = {
             'id': self.id,
             'source': self.source,
@@ -151,6 +154,7 @@ class SubscriptionEnvelope(object):
             'ttl': self.ttl,
             'age': now - created,
             'options': self.options,
+            'confirmed': is_confirmed,
         }
 
         return basic_msg
@@ -294,7 +298,8 @@ def _hmap_to_subenv_kwargs(hmap):
         'subscriber': hmap[b'u'],
         'ttl': int(hmap[b't']),
         'expires': int(hmap[b'e']),
-        'options': _unpack(hmap[b'o'])
+        'options': _unpack(hmap[b'o']),
+        'confirmed': hmap[b'c']
     }
 
 
diff --git a/zaqar/storage/redis/subscriptions.py b/zaqar/storage/redis/subscriptions.py
index 700ed6e24..fcb2ff0c5 100644
--- a/zaqar/storage/redis/subscriptions.py
+++ b/zaqar/storage/redis/subscriptions.py
@@ -71,6 +71,9 @@ class SubscriptionController(base.Subscription):
             ttl = int(record[2])
             expires = int(record[3])
             created = expires - ttl
+            is_confirmed = True
+            if len(record) == 6:
+                is_confirmed = record[5] == str(True)
             ret = {
                 'id': sid,
                 'source': record[0],
@@ -78,6 +81,7 @@ class SubscriptionController(base.Subscription):
                 'ttl': ttl,
                 'age': now - created,
                 'options': self._unpacker(record[4]),
+                'confirmed': is_confirmed,
             }
             marker_next['next'] = sid
 
@@ -108,6 +112,7 @@ class SubscriptionController(base.Subscription):
         source = queue
         now = timeutils.utcnow_ts()
         expires = now + ttl
+        confirmed = False
 
         subscription = {'id': subscription_id,
                         's': source,
@@ -115,7 +120,8 @@ class SubscriptionController(base.Subscription):
                         't': ttl,
                         'e': expires,
                         'o': self._packer(options),
-                        'p': project}
+                        'p': project,
+                        'c': confirmed}
 
         try:
             # Pipeline ensures atomic inserts.
@@ -150,8 +156,9 @@ class SubscriptionController(base.Subscription):
         try:
             sub_ids = (q for q in self._client.zrange(subset_key, 0, -1))
             for s_id in sub_ids:
-                subscription = self._client.hmget(s_id, ['s', 'u', 't', 'o'])
-                if subscription == [None, None, None, None]:
+                subscription = self._client.hmget(s_id,
+                                                  ['s', 'u', 't', 'o', 'c'])
+                if subscription == [None, None, None, None, None]:
                     # NOTE(flwang): Under this check, that means the
                     # subscription has been expired. So redis can't get
                     # the subscription but the id is still there. So let's
@@ -228,3 +235,31 @@ class SubscriptionController(base.Subscription):
             pipe.zrem(subset_key, subscription_id)
             pipe.delete(subscription_id)
             pipe.execute()
+
+    @utils.raises_conn_error
+    @utils.retries_on_connection_error
+    def get_with_subscriber(self, queue, subscriber, project=None):
+        subset_key = utils.scope_subscription_ids_set(queue,
+                                                      project,
+                                                      SUBSCRIPTION_IDS_SUFFIX)
+        sub_ids = (q for q in self._client.zrange(subset_key, 0, -1))
+        for s_id in sub_ids:
+            subscription = self._client.hmget(s_id,
+                                              ['s', 'u', 't', 'o', 'c'])
+            if subscription[1] == subscriber:
+                subscription = SubscriptionEnvelope.from_redis(s_id,
+                                                               self._client)
+                now = timeutils.utcnow_ts()
+                return subscription.to_basic(now)
+
+    @utils.raises_conn_error
+    @utils.retries_on_connection_error
+    def confirm(self, queue, subscription_id, project=None, confirmed=True):
+        # Let's get our subscription by ID. If it does not exist,
+        # SubscriptionDoesNotExist error will be raised internally.
+        self.get(queue, subscription_id, project=project)
+
+        fields = {'c': confirmed}
+        with self._client.pipeline() as pipe:
+            pipe.hmset(subscription_id, fields)
+            pipe.execute()
diff --git a/zaqar/storage/redis/utils.py b/zaqar/storage/redis/utils.py
index c621d4637..b028db5eb 100644
--- a/zaqar/storage/redis/utils.py
+++ b/zaqar/storage/redis/utils.py
@@ -266,7 +266,7 @@ class SubscriptionListCursor(object):
     @raises_conn_error
     def next(self):
         curr = next(self.subscription_iter)
-        subscription = self.client.hmget(curr, ['s', 'u', 't', 'e', 'o'])
+        subscription = self.client.hmget(curr, ['s', 'u', 't', 'e', 'o', 'c'])
         # NOTE(flwang): The expired subscription will be removed
         # automatically, but the key can't be deleted automatically as well.
         # Though we clean up those expired ids when create new subscription,
diff --git a/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions.py b/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions.py
index ea4232617..08334951d 100644
--- a/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions.py
+++ b/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions.py
@@ -94,6 +94,28 @@ class TestSubscriptions(base.BaseV2MessagingTest):
             subscription_id = result[1]["subscription_id"]
             self.delete_subscription(self.queue_name, subscription_id)
 
+    @test.idempotent_id('fe0d8ec1-1a64-4490-8869-e821b2252e74')
+    def test_create_subscriptions_with_duplicate_subscriber(self):
+        # Adding subscriptions to the queue
+        results = self._create_subscriptions()
+        s_id1 = results[0][1]['subscription_id']
+
+        # Adding a subscription with duplicate subscriber, it will reconfirm
+        # the subscription and run well.
+        rbody = {'subscriber': 'http://fake:8080',
+                 'options': {'MessagingKeyMsg': 'MessagingValueMsg'},
+                 'ttl': 293305}
+        resp, body = self.create_subscription(self.queue_name, rbody)
+        s_id2 = body['subscription_id']
+
+        self.assertEqual('201', resp['status'])
+        self.assertEqual(s_id2, s_id1)
+
+        # Delete the subscriptions created
+        for result in results:
+            subscription_id = result[1]["subscription_id"]
+            self.delete_subscription(self.queue_name, subscription_id)
+
     @decorators.idempotent_id('ff4344b4-ba78-44c5-9ffc-44e53e484f76')
     def test_trust_subscription(self):
         sub_queue = data_utils.rand_name('Queues-Test')
diff --git a/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions_negative.py b/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions_negative.py
index 1d6b09780..75e20320d 100644
--- a/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions_negative.py
+++ b/zaqar/tests/tempest_plugin/tests/v2/test_subscriptions_negative.py
@@ -17,7 +17,6 @@ import uuid
 
 from tempest import config
 from tempest.lib.common.utils import data_utils
-from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -44,28 +43,6 @@ class TestSubscriptionsNegative(base.BaseV2MessagingTest):
             results.append((resp, body))
         return results
 
-    # Create Subscriptions
-
-    # TODO(wangxiyuan): Now the subscription confirmation feature only support
-    # mongoDB backend. Skip this test until the feature support the redis
-    # backend. Then rewrite it.
-    @decorators.skip_because(bug='1609596')
-    @test.attr(type=['negative'])
-    @test.idempotent_id('fe0d8ec1-1a64-4490-8869-e821b2252e74')
-    def test_create_subscriptions_with_duplicate_subscriber(self):
-        # Adding a subscription to the queue
-        results = self._create_subscriptions()
-        # Adding a duplicate subscriber
-        rbody = {'subscriber': 'http://fake:8080',
-                 'options': {'MessagingKeyMsg': 'MessagingValueMsg'},
-                 'ttl': 293305}
-        self.assertRaises(lib_exc.Conflict,
-                          self.create_subscription, self.queue_name, rbody)
-        # Delete the subscriptions created
-        for result in results:
-            subscription_id = result[1]["subscription_id"]
-            self.delete_subscription(self.queue_name, subscription_id)
-
     @test.attr(type=['negative'])
     @test.idempotent_id('0bda2907-a783-4614-af16-23d7a7d53b72')
     def test_create_subscriptions_with_invalid_body(self):
diff --git a/zaqar/tests/unit/storage/base.py b/zaqar/tests/unit/storage/base.py
index 45d8775f4..ef613dfd7 100644
--- a/zaqar/tests/unit/storage/base.py
+++ b/zaqar/tests/unit/storage/base.py
@@ -1236,6 +1236,35 @@ class SubscriptionControllerTest(ControllerBaseTest):
                           project=self.project,
                           **update_fields)
 
+    def test_confirm(self):
+        s_id = self.subscription_controller.create(self.source,
+                                                   self.subscriber,
+                                                   self.ttl,
+                                                   self.options,
+                                                   project=self.project)
+        self.addCleanup(self.subscription_controller.delete, self.source,
+                        s_id, self.project)
+        subscription = self.subscription_controller.get(self.source, s_id,
+                                                        project=self.project)
+
+        self.assertEqual(False, subscription['confirmed'])
+
+        self.subscription_controller.confirm(self.source, s_id,
+                                             project=self.project,
+                                             confirmed=True)
+        subscription = self.subscription_controller.get(self.source, s_id,
+                                                        project=self.project)
+
+        self.assertEqual(True, subscription['confirmed'])
+
+    def test_confirm_with_nonexist_subscription(self):
+        s_id = 'fake-id'
+        self.assertRaises(errors.SubscriptionDoesNotExist,
+                          self.subscription_controller.confirm,
+                          self.source, s_id, project=self.project,
+                          confirmed=True
+                          )
+
 
 class PoolsControllerTest(ControllerBaseTest):
     """Pools Controller base tests.
diff --git a/zaqar/tests/unit/storage/test_impl_mongodb.py b/zaqar/tests/unit/storage/test_impl_mongodb.py
index 6e902cbec..cb6ef5ebf 100644
--- a/zaqar/tests/unit/storage/test_impl_mongodb.py
+++ b/zaqar/tests/unit/storage/test_impl_mongodb.py
@@ -493,34 +493,6 @@ class MongodbSubscriptionTests(MongodbSetupMixin,
     controller_class = controllers.SubscriptionController
     control_driver_class = mongodb.ControlDriver
 
-    def test_confirm(self):
-        s_id = self.subscription_controller.create(self.source,
-                                                   self.subscriber,
-                                                   self.ttl,
-                                                   self.options,
-                                                   project=self.project)
-        self.addCleanup(self.subscription_controller.delete, self.source,
-                        s_id, self.project)
-        subscription = self.subscription_controller.get(self.source, s_id,
-                                                        project=self.project)
-
-        self.assertEqual(False, subscription['confirmed'])
-
-        self.subscription_controller.confirm(self.source, s_id,
-                                             project=self.project,
-                                             confirm=True)
-        subscription = self.subscription_controller.get(self.source, s_id,
-                                                        project=self.project)
-
-        self.assertEqual(True, subscription['confirmed'])
-
-    def test_confirm_with_nonexist_subscription(self):
-        s_id = 'fake-id'
-        self.assertRaises(errors.SubscriptionDoesNotExist,
-                          self.subscription_controller.confirm,
-                          self.source, s_id, project=self.project, confirm=True
-                          )
-
 
 #
 # TODO(kgriffs): Do these need database purges as well as those above?
diff --git a/zaqar/transport/validation.py b/zaqar/transport/validation.py
index 75d1bb76e..5ef1f190d 100644
--- a/zaqar/transport/validation.py
+++ b/zaqar/transport/validation.py
@@ -540,9 +540,9 @@ class Validator(object):
             except OverflowError:
                 raise ValidationFailed(msg, datetime.datetime.max)
 
-    def subscription_confirming(self, confirm):
-        confirm = confirm.get('confirmed', None)
-        if not isinstance(confirm, bool):
+    def subscription_confirming(self, confirmed):
+        confirmed = confirmed.get('confirmed', None)
+        if not isinstance(confirmed, bool):
             msg = _(u"The 'confirmed' should be boolean.")
             raise ValidationFailed(msg)
 
diff --git a/zaqar/transport/wsgi/v2_0/subscriptions.py b/zaqar/transport/wsgi/v2_0/subscriptions.py
index 7690a47cc..303908149 100644
--- a/zaqar/transport/wsgi/v2_0/subscriptions.py
+++ b/zaqar/transport/wsgi/v2_0/subscriptions.py
@@ -264,10 +264,10 @@ class ConfirmResource(object):
 
         try:
             self._validate.subscription_confirming(document)
-            confirm = document.get('confirmed', None)
+            confirmed = document.get('confirmed', None)
             self._subscription_controller.confirm(queue_name, subscription_id,
                                                   project=project_id,
-                                                  confirm=confirm)
+                                                  confirmed=confirmed)
             resp.status = falcon.HTTP_204
             resp.location = req.path
         except storage_errors.SubscriptionDoesNotExist as ex: