initial commit

Author: v-steveadams

articles/iot-hub/TOC.yml

@@ -102,7 +102,7 @@
       - name: Read device-to-cloud messages from the built-in endpoint
         href: iot-hub-devguide-messages-read-builtin.md
       - name: Message enrichments overview
-        href: iot-hub-message-enrichments-overview.md    
+        href: iot-hub-message-enrichments-overview.md
     - name: Message routing
       items:
       - name: Use message routing to send device-to-cloud messages
@@ -127,6 +127,8 @@
         href: iot-hub-understand-ip-address.md
     - name: Scaling and availability
       items:
+      - name: Best practices for large-scale IoT device deployments
+        href: ../iot-dps/concepts-deploy-at-scale.md?toc=/azure/iot-hub/toc.json&bc=/azure/iot-hub/breadcrumb/toc.json
       - name: High availability and disaster recovery
         href: iot-hub-ha-dr.md
       - name: How to clone an IoT Hub to another region
@@ -145,7 +147,7 @@
         - name: SDK overview
           href: iot-hub-devguide-sdks.md
         - name: Develop without the SDK
-          href: iot-hub-devguide-no-sdk.md   
+          href: iot-hub-devguide-no-sdk.md
         - name: Manage connectivity and reliable messaging
           href: iot-hub-reliability-features-in-sdks.md
     - name: Protocol support
@@ -372,7 +374,7 @@
         - name: Device management with IoT extension for Azure CLI
           href: iot-hub-device-management-iot-extension-azure-cli-2-0.md
         - name: Remote monitoring and notifications with ​Logic ​Apps
-          href: iot-hub-monitoring-notifications-with-azure-logic-apps.md     
+          href: iot-hub-monitoring-notifications-with-azure-logic-apps.md
     - name: Troubleshoot and problem solution
       items:
         - name: Troubleshoot device connectivity