diff --git a/docs/dev/dev-guide/building_hono/index.html b/docs/dev/dev-guide/building_hono/index.html
index b183860..e0d49f0 100644
--- a/docs/dev/dev-guide/building_hono/index.html
+++ b/docs/dev/dev-guide/building_hono/index.html
@@ -21,19 +21,19 @@
     <title>Building from Source :: Eclipse Hono&trade; Vers.: dev</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1581301409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1581387817" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1581301409" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1581387817" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1581301409"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1581387817"></script>
 
     <style type="text/css">
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1581301409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1581301409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1581387817"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1581387817"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/dev";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1581301409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1581387817"></script>
 
     
   </div>
@@ -257,6 +257,25 @@
 
             
           
+            
+            
+
+
+ 
+  
+    
+      <li data-nav-id="/hono/docs/dev/concepts/conntecting-devices/" title="Connect devices" class="dd-item ">
+        <a href="/hono/docs/dev/concepts/conntecting-devices/">
+        Connect devices
+        
+        </a>
+    </li>
+     
+  
+ 
+
+            
+          
         
         </ul>
               
@@ -1621,6 +1640,22 @@
             
         
                     
+                        
+            
+            
+                
+                    
+                
+                
+
+                    
+                    
+                    
+
+                    
+            
+        
+                    
             
         
                     
@@ -2348,20 +2383,20 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1581301409"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1581301409"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1581301409"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1581301409"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1581301409"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1581301409"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1581301409"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1581387817"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1581387817"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1581387817"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1581387817"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1581387817"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1581387817"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1581387817"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1581301409"></script>
-    <script src="/hono/docs/js/learn.js?1581301409"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1581301409"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1581387817"></script>
+    <script src="/hono/docs/js/learn.js?1581387817"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1581387817"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1581301409" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1581301409"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1581387817" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1581387817"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/dev/dev-guide/custom_http_adapter/index.html b/docs/dev/dev-guide/custom_http_adapter/index.html
index cb6869b..a31d518 100644
--- a/docs/dev/dev-guide/custom_http_adapter/index.html
+++ b/docs/dev/dev-guide/custom_http_adapter/index.html
@@ -21,19 +21,19 @@
     <title>Implement a Custom Hono HTTP Protocol Adapter :: Eclipse Hono&trade; Vers.: dev</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1581301409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1581387817" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1581301409" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1581387817" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1581301409"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1581387817"></script>
 
     <style type="text/css">
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1581301409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1581301409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1581387817"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1581387817"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/dev";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1581301409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1581387817"></script>
 
     
   </div>
@@ -257,6 +257,25 @@
 
             
           
+            
+            
+
+
+ 
+  
+    
+      <li data-nav-id="/hono/docs/dev/concepts/conntecting-devices/" title="Connect devices" class="dd-item ">
+        <a href="/hono/docs/dev/concepts/conntecting-devices/">
+        Connect devices
+        
+        </a>
+    </li>
+     
+  
+ 
+
+            
+          
         
         </ul>
               
@@ -1666,6 +1685,22 @@
             
         
                     
+                        
+            
+            
+                
+                    
+                
+                
+
+                    
+                    
+                    
+
+                    
+            
+        
+                    
             
         
                     
@@ -2396,20 +2431,20 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1581301409"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1581301409"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1581301409"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1581301409"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1581301409"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1581301409"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1581301409"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1581387817"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1581387817"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1581387817"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1581387817"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1581387817"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1581387817"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1581387817"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1581301409"></script>
-    <script src="/hono/docs/js/learn.js?1581301409"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1581301409"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1581387817"></script>
+    <script src="/hono/docs/js/learn.js?1581387817"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1581387817"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1581301409" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1581301409"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1581387817" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1581387817"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/dev/dev-guide/index.html b/docs/dev/dev-guide/index.html
index 6436508..a12e51a 100644
--- a/docs/dev/dev-guide/index.html
+++ b/docs/dev/dev-guide/index.html
@@ -21,19 +21,19 @@
     <title>Developer Guide :: Eclipse Hono&trade; Vers.: dev</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1581301409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1581387817" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1581301409" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1581387817" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1581301409"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1581387817"></script>
 
     <style type="text/css">
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1581301409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1581301409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1581387817"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1581387817"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/dev";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1581301409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1581387817"></script>
 
     
   </div>
@@ -257,6 +257,25 @@
 
             
           
+            
+            
+
+
+ 
+  
+    
+      <li data-nav-id="/hono/docs/dev/concepts/conntecting-devices/" title="Connect devices" class="dd-item ">
+        <a href="/hono/docs/dev/concepts/conntecting-devices/">
+        Connect devices
+        
+        </a>
+    </li>
+     
+  
+ 
+
+            
+          
         
         </ul>
               
@@ -1538,6 +1557,22 @@
             
         
                     
+                        
+            
+            
+                
+                    
+                
+                
+
+                    
+                    
+                    
+
+                    
+            
+        
+                    
             
         
                     
@@ -2264,20 +2299,20 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1581301409"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1581301409"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1581301409"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1581301409"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1581301409"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1581301409"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1581301409"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1581387817"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1581387817"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1581387817"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1581387817"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1581387817"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1581387817"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1581387817"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1581301409"></script>
-    <script src="/hono/docs/js/learn.js?1581301409"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1581301409"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1581387817"></script>
+    <script src="/hono/docs/js/learn.js?1581387817"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1581387817"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1581301409" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1581301409"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1581387817" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1581387817"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>
diff --git a/docs/dev/dev-guide/java_client_consumer/index.html b/docs/dev/dev-guide/java_client_consumer/index.html
index f93bb2d..992e437 100644
--- a/docs/dev/dev-guide/java_client_consumer/index.html
+++ b/docs/dev/dev-guide/java_client_consumer/index.html
@@ -21,19 +21,19 @@
     <title>Consuming Messages from Java :: Eclipse Hono&trade; Vers.: dev</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1581301409" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1581301409" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1581387817" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1581387817" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1581301409" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1581387817" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1581301409"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1581387817"></script>
 
     <style type="text/css">
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1581301409"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1581301409"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1581387817"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1581387817"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/\/dev";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1581301409"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1581387817"></script>
 
     
   </div>
@@ -257,6 +257,25 @@
 
             
           
+            
+            
+
+
+ 
+  
+    
+      <li data-nav-id="/hono/docs/dev/concepts/conntecting-devices/" title="Connect devices" class="dd-item ">
+        <a href="/hono/docs/dev/concepts/conntecting-devices/">
+        Connect devices
+        
+        </a>
+    </li>
+     
+  
+ 
+
+            
+          
         
         </ul>
               
@@ -1636,6 +1655,22 @@
             
         
                     
+                        
+            
+            
+                
+                    
+                
+                
+
+                    
+                    
+                    
+
+                    
+            
+        
+                    
             
         
                     
@@ -2366,20 +2401,20 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1581301409"></script>
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