New feature: euag_deployment_of_OSM_in_reduced_environments.md

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+# Deployment of OSM in reduced environments #
+
+## Proposer ##
+**EUAG**
+
+## Type ##
+**Feature**
+
+## Target MDG/TF ##
+UI, SO, RO, VCA
+
+## Description ##
+Currently OSM requires 8 CPUs and 16GB RAM to run. This makes really complicated 
+for observers and initial testers to use OSM for the first time. Being able to 
+run OSM in a reduced environment with less required resources would ease the 
+first time use.
+
+As a reference, the target should be 2CPUs and 4GB RAM for running the whole OSM 
+(RO, VCA, SO, UI). In that way, OSM could run in a laptop or in a Virtualbox VM 
+without problems.
+
+In addition, in order to test the deployment of the NS, it would be required to 
+run a VIM and compute nodes in a reduced setup. The use of LXD containers as 
+compute nodes fits well with this idea. A single host with LXD containers and 
+Linux bridges could be used as datacenter for this testing purpose, being able 
+to deploy simple NS on that single host. The reference target of CPU and memory 
+resources for this single host running LXD containers could be 2CPUs and 4 GB 
+RAM.
+
+## Demo or definition of done ##
+N/A