LHO-Distributed-NDS-Install.md

@@ -3,6 +3,11 @@ This documents the install and running of the NDS cluster at LHO.
 
 Install Date: June/July 2021
 
+## System Goal ##
+
+* Deploy a NDS system that can be scaled to meet demands.
+* Introduce the full CDS data stream (~250k channels) in lower latency to the cluster and the NDS system.
+
 ## System Nodes ##
 
 | Node | HA-Proxy | NDS Metadata | NDS IO Node | Memcache node | daqd_stream | Notes |
@@ -229,3 +234,7 @@ The above descriptions of the services should provide help in localizing issues.
 * The metadata server cannot be configured via the proxy like the nds2-io-node can be
 * To help with scaling the metadata server can replicate its channel data to other metadata servers.
 * As this setup is duplicated in the other clusters (and CDS) the metadata server is able to share its channel lists and provide a global view of all the channels with the ability to proxy requests to remote servers (slow and proof of concept only at this stage).
+
+## Future topology ideas ##
+
+![Topology_Updates.svg](uploads/9e8488a29326652f9542098b4adc433c/Topology_Updates.svg)
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