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7
windows/deployment/do/waas-delivery-optimization-faq.yml
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@ -86,12 +86,15 @@ sections:
For a list of common Delivery Optimization error codes, visit the [Delivery Optimization Troubleshooter](http://aka.ms/do-fix). This resource provides descriptions of various error codes. Using the Delivery Optimization Troubleshooter can help you identify and resolve issues with Delivery Optimization, providing configuration values and other useful information to help address problems effectively.
- question: How does Delivery Optimization measure and throttle download bandwidth?
answer: |
By default, Delivery Optimization measures and targets to use no more than 45% of the available bandwidth during a background download or 90% for an interactive, foreground download (user initiated). The target download speed is measured for the HTTP source and Group/Internet peers, but not used for LAN peers. The target download speed measures the download throughput available to the source, not only the local network card. A speed test is performed dynamically every few minutes during a download, so it can adjust to congestion on the network.
By default, Delivery Optimization measures and targets to use no more than 45% of the available bandwidth during a background download or 90% for an interactive, foreground download (user initiated). The target download speed is measured for the HTTP source and Group/Internet peers. The target download speed measures the download throughput available to the source, not only the local network card. A speed test is performed dynamically every few minutes during a download, so it can adjust to congestion on the network.
Throttling will apply only to downloads from the internet which include the HTTP source and Group peers. Throttling will not apply to downloads from LAN peers. To make changes to the default behavior, use the settings from the Delivery Optimization section in Windows Settings (Delivery Optimization -> Advanced Options) to change these values. In addition, there are policies available to manage bandwidth usage for Delivery Optimization. To ensure smooth deployments, we recommend familiarizing yourself with the bandwidth defaults and policies available to better configure them for your environment. Note that Delivery Optimization does not manage deployment strategies.
Throttling will apply only to downloads from the internet which include the HTTP source and Group peers. To make changes to the default behavior, use the settings from the Delivery Optimization section in Windows Settings (Delivery Optimization -> Advanced Options) to change these values. In addition, there are policies available to manage bandwidth usage for Delivery Optimization. To ensure smooth deployments, we recommend familiarizing yourself with the bandwidth defaults and policies available to better configure them for your environment. Note that Delivery Optimization does not manage deployment strategies.
For more information, see [Bandwidth throttle options](delivery-optimization-configure.md#bandwidth-throttling-options).
> [!NOTE]
> For LAN peers, neither the target download speed is calculated nor is throttling applied.
- name: Network related configuration questions
questions:
- question: Which ports does Delivery Optimization use?

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windows/deployment/do/waas-delivery-optimization-reference.md
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@ -293,7 +293,7 @@ This setting determines whether a device will be allowed to participate in Peer
MDM Setting: **DOVpnKeywords**
This policy allows you to configure one or more comma-separated keywords used to recognize VPN connections. **By default, this policy is not configured so if a VPN is detected, the device will not use peering.** Delivery Optimization automatically detects a VPN connection by looking at the network adapter's 'Description' and 'FriendlyName' strings using the default keyword list including: "VPN", "Secure", and "Virtual Private Network" (ex: "MSFTVPN" matches the "VPN" keyword). As the number of VPNs grow it's difficult to support an ever-changing list of VPN names. To address this, we've introduced this new setting to add unique VPN names to meet the needs of individual environments. This policy is applied only when the network adapter identifies as ```IF_TYPE_ETHERNET_CSMACD``` or ```IF_TYPE_TUNNEL``` interface types.
This policy allows you to configure one or more comma-separated keywords used to recognize VPN connections. **By default, this policy is not configured so if a VPN is detected, the device will not use peering.** Delivery Optimization automatically detects a VPN connection by looking at the network adapter's 'Description' and 'FriendlyName' strings using the default keyword list including: "VPN", "Secure", and "Virtual Private Network" (ex: "MSFTVPN" matches the "VPN" keyword). As the number of VPNs grow it's difficult to support an ever-changing list of VPN names. To address this, we've introduced this new setting to add unique VPN names to meet the needs of individual environments.
### Disallow cache server downloads on VPN