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+# Copyright 2019 Nokia
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+
+       .--------------------------------------------------------------------------.
+       |        .-------------.    .------------.          .---------.            |
+       |        | <<library>> |    | <<module>> |<---------| <<cli>> |            |
+       |        | dssserver   |    | dssclient  |          | dsscli  |            |
+       |        '-------------'    '------------'          '---------'            |
+       |               |                |                                         |
+       |               |                |                 set                     |
+       |               |                v                 get                     |
+       |               '--------------> O  uds (json-rpc) get-domain              |
+       |                                ^                 get-domains             |
+       |                                |                 delete                  |
+       |        ___                     |                 delete-domain           |
+       |       |   |\     read    .------------.                                  |
+       |       |   '-|<-----------| <<daemon>> |                                  |
+       |       |     |            | dssserver  |                                  |
+       |       |_____|            '------------'                                  |
+       |       config.ini               |                                         |
+       |                     .----------'-----------.                             |
+       |                     |     load-plugin      |                             |
+       |                     |                      |                             |
+       |                     |                      |                             |
+       |                     v                      v                             |
+       |              .-------------.         .-------------.                     |
+       | for multi    | <<plugin>>  |         | <<plugin>>  | for single          |
+       | management   | etcd-plugin |         | file-plugin | management          |
+       |              '-------------'         '-------------'                     |
+       |                     |                      |                             |
+       |                     |                      |                             |
+       |                     |                      |                             |
+       |                     |                      |                             |
+       |                     v                    __v                             |
+       |              .------------.             |   |\                           |
+       |              | etcd       |             |   '-|                          |
+       |              '------------'             |     |                          |
+       |                                         |_____|                          |
+       |                                           fs                             |
+       |                                                                          |
+       |                                                                          |
+       |                            management-x                                  |
+       '--------------------------------------------------------------------------'