diff --git a/README.md b/README.md
index 23def33..f22f8d6 100644
--- a/README.md
+++ b/README.md
@@ -476,6 +476,9 @@ For instance, take into account the snaptshot above. If you already know how to
            * VPN
              * [Site to Site VPN](https://www.youtube.com/watch?v=qmKkbuS9gRs) 📼 🆓
     * Monitoring
+      * Telemetry
+        * OTEL - Open Telemetry
+          * [Datadog - The future of tracing is open](https://www.datadoghq.com/blog/opentelemetry-instrumentation/) 📰 🆓 
       * Metrics
         * Prometheus
           * [Prometheus: Up & Running: Infrastructure and Application Performance Monitoring](https://www.amazon.de/gp/product/1492034142?pf_rd_p=99260c3e-e149-406d-b475-c299891fcd91&pf_rd_r=M0874DR76K58PTVG1NV7) 📕 💰
diff --git a/resources/topic-graph.mmd b/resources/topic-graph.mmd
index 00c0e9a..a60a1f7 100644
--- a/resources/topic-graph.mmd
+++ b/resources/topic-graph.mmd
@@ -170,6 +170,7 @@ graph TD
           MVPC --> VPCT[Transit Gateway]
     OPS --> MON[Monitoring]
       MON --> Metr[Metrics]
+        Metr --> OTEL[OpenTelemetry]
         Metr --> Prom[Prometheus]
         Metr --> Infl[InfluxDB]
         Metr --> DD[Datadog]
diff --git a/resources/topic-graph.png b/resources/topic-graph.png
index 499f911..3df5820 100644
Binary files a/resources/topic-graph.png and b/resources/topic-graph.png differ