> When using a TCP-based transport, outbound traffic from session host to client is through the Azure Virtual Desktop Gateway. With RDP Shortpath for public networks using STUN, outbound traffic is established directly between session host and client over the internet. This removes a hop which improves latency and end user experience. However, due to the changes in data flow between session host and client where the Gateway is no longer used, there will be standard [Azure egress network charges](https://azure.microsoft.com/pricing/details/bandwidth/) billed in addition per subscription for the internet bandwidth consumed. To learn more about estimating the bandwidth used by RDP, see [RDP bandwidth requirements](rdp-bandwidth.md).
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