archi.md

@@ -20,3 +20,36 @@
 ### PhyloAlps Taxonomy Service
 
 ![PhyloAlps Taxonomy Service](archi/taxonomy-service.png)
+
+### PhyloAlps Virtual Hosts Communication
+
+#### DNA assembly graph rendering
+
+```mermaid
+sequenceDiagram
+  participant user as PhyloAlps user
+  participant data as Data VH
+  participant seq as RawSeq VH
+  user->>+data: GET http://data.phyloalps.org/assembly/001
+  data->>+seq: GET http://seq.phyloalps.org/assemblies/001.gml
+  seq->>-data: File 001.gml
+  data->>data: Parse foo.gml
+  data->>-user: Render DNA assembly graph
+```
+
+#### Taxonomy browsing
+
+```mermaid
+sequenceDiagram
+  participant user as PhyloAlps user
+  participant data as Data VH
+  participant taxo as Taxonomy VH
+  data->>data:select node 'Viridiplantae'
+  opt select node
+    user->>+data: click on a node of the taxonomy tree
+    data-x+taxo: GET taxo.phyloalps.org/sparql/getChildrenOfSomeTaxon
+    taxo->>-data: children in JSON format
+    data->>data: Trigger D3.js render method
+    data->>-user: Render first level of taxonomy tree
+  end
+```
\ No newline at end of file