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+# Architecture: Legacy vs NNA
+
+<img src="docs/images/NNA-arch-1.png" width="917" height="478" />
+<img src="docs/images/NNA-arch-2.png" width="917" height="478" />
+
+__________________________________________________________________________________________________________________
 
 # Documentation & Getting Started
 
   * [Click here to read the docs](http://nnanalytics.readthedocs.io/)
 
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+
+# Presentations
+
+  * [SlideShare](https://www.slideshare.net/Hadoop_Summit/namenode-analytics-scouting-the-hdfs-metadata-103202302)
+  * [DataWorks Summit](https://www.youtube.com/watch?v=9xlB5C88tbk)
+
+__________________________________________________________________________________________________________________
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