add HA service limits

Author: robswain

articles/private-5g-core/azure-stack-edge-virtual-machine-sizing.md

@@ -16,14 +16,14 @@ This article describes the maximum supported limits of the Azure Private 5G Core
 
 The following table lists the maximum supported limits for a range of parameters in an Azure Private 5G Core deployment. These limits have been confirmed through testing, but other factors may affect what is achievable in a given scenario. For example, usage patterns, UE types and third-party network elements may impact one or more of these parameters. It is important to test the limits of your deployment before launching a live service.
 
-| Element                | Maximum supported |
-|------------------------|-------------------|
-| PDU sessions           | 10,000 per Packet Core |
-| Bandwidth              | Over 25 Gbps combined uplink and downlink per Packet Core |
-| RAN nodes (eNB/gNB)    | 200 per Packet Core |
-| Active UEs             | 10,000 per Packet Core |
-| SIMs                   | 20,000 per Mobile Network |
-| SIM provisioning       | 10,000 per JSON file via Azure portal, 4MB per REST API call |
+| Element                | Maximum supported | Additional limits in a Highly Available (HA) deployment |
+|------------------------|-------------------|-------------------|
+| PDU sessions           | 10,000 per Packet Core |       |
+| Bandwidth              | Over 25 Gbps combined uplink and downlink per Packet Core |       |
+| RAN nodes (eNB/gNB)    | 200 per Packet Core | 20 per Packet Core |
+| Active UEs             | 10,000 per Packet Core | 500 per Packet Core |
+| SIMs                   | 20,000 per Mobile Network |       |
+| SIM provisioning       | 10,000 per JSON file via Azure portal, 4MB per REST API call |       |
 
 Your chosen service package may define lower limits, with overage charges for exceeding them - see [Azure Private 5G Core pricing](https://azure.microsoft.com/pricing/details/private-5g-core/) for details. If you require higher throughput for your use case, please contact us to discuss your needs.