diff --git a/poc-datacollector/modules/ROOT/images/bidirectional-communication.png b/poc-datacollector/modules/ROOT/images/bidirectional-communication.png
new file mode 100644
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diff --git a/poc-datacollector/modules/ROOT/images/swarm-poc.png b/poc-datacollector/modules/ROOT/images/swarm-poc.png
new file mode 100644
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diff --git a/poc-datacollector/modules/ROOT/pages/index-mongo.adoc b/poc-datacollector/modules/ROOT/pages/index-mongo.adoc
new file mode 100644
index 0000000..d211674
--- /dev/null
+++ b/poc-datacollector/modules/ROOT/pages/index-mongo.adoc
@@ -0,0 +1,4 @@
+=  Mongo -> services mongo
+
+
+
diff --git a/poc-datacollector/modules/ROOT/pages/index-structure.adoc b/poc-datacollector/modules/ROOT/pages/index-structure.adoc
index b3fd0ee..b2c8150 100644
--- a/poc-datacollector/modules/ROOT/pages/index-structure.adoc
+++ b/poc-datacollector/modules/ROOT/pages/index-structure.adoc
@@ -1,6 +1,30 @@
 = project structure  and technologies  used
 
-image::ROOT:swarmlab-connect.png[float=right]
+
+== Structure
+
+[.float-group]
+--
+[.right]
+image::ROOT:swarm-poc.png[float=right]
+
+:hardbreaks:
+
+{empty} +
+{empty} 
+
+:!hardbreaks:
+
+.From -> To
+
+* [*] monolithic -> networking architecture
+* [*] static -> Dynamic
+* [*] host based -> Service based 
+* [*] linear -> agile
+--
+
+TIP: You will learn to code, coordinate and orchestrate a swarm of self-acting nodes.
+
 
 
 * (1)  Opens the info  menu 
diff --git a/poc-datacollector/modules/ROOT/pages/index-vuejs.adoc b/poc-datacollector/modules/ROOT/pages/index-vuejs.adoc
index 696de0c..8f6c7d5 100644
--- a/poc-datacollector/modules/ROOT/pages/index-vuejs.adoc
+++ b/poc-datacollector/modules/ROOT/pages/index-vuejs.adoc
@@ -1,4 +1,4 @@
-=  Vue.js (webclient)
+=  Vue.js -> service webclient
 
 [NOTE]
 ====
@@ -109,6 +109,8 @@ https://github.com/axios/axios[See more^]
 
 == Using socket.io to Consume Websocket
 
+image::ROOT:bidirectional-communication.png[]
+
 Socket.IO aims to make realtime apps possible in every browser and mobile device, blurring the differences between the different transport mechanisms. It supports multiple transports, such as WebSockets, Flash sockets, long polling and more, automatically falling back when a transport fails
 
 https://socket.io/[See more info here: Socket.io^]