LHO-Distributed-NDS-Install.md

+# Purpose #
 This documents the install and running of the NDS cluster at LHO.
 
 Install Date: June/July 2021
 
-Nodes:
+## System Nodes ##
 
 | Node | HA-Proxy | NDS Metadata | NDS IO Node | Memcache node | Notes |
 | ------ | ------ | ------ | ------ | ------ | ------ |
@@ -18,3 +19,7 @@ Additional systems required to run
 | ------ | ------ | ------ |
 | nds.dcs | LHO LDAS | This runs the channel list update scripts.  The data is trasferred off of this box via a small http service |
 | h1daqgds1.cds | LHO CDS | This is the daqd box that sends data from CDS to LDAS |
+
+## Data Flow ##
+
+![Rough_data_flow_of_low_latency_data_in_CDS.svg](uploads/a104d1fbb2869ab801644bdae0357eba/Rough_data_flow_of_low_latency_data_in_CDS.svg)
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