Figure 9
From: Using RELOAD and CoAP for wide area sensor and actuator networking
![Figure 9](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1687-1499-2012-121/MediaObjects/13638_2011_Article_294_Fig9_HTML.jpg)
Total traffic, 2,000 proxy nodes. The figure shows the total amount of application protocol traffic exchanged in the system during the measurement period when using 2,000 proxy nodes and a 10 min CoAP notification interval. The proxy nodes were assumed to be located behind P2P-friendly NATs.