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Publish main to live, 06/17, 3:30 PM IST
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4
windows/deployment/do/waas-delivery-optimization-reference.md
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@ -37,7 +37,7 @@ In MDM, the same settings are under **.Vendor/MSFT/Policy/Config/DeliveryOptimiz
| [Download mode](#download-mode) | DODownloadMode | 1511 | Default is configured to LAN(1). The Group [Download mode](#download-mode) (2) combined with [Group ID](#group-id), enables administrators to create custom device groups that share content between devices in the group.|
| [Group ID](#group-id) | DOGroupID | 1511 | Used with Group [Download mode](#download-mode). If not configured, check [GroupIDSource](#select-the-source-of-group-ids). When GroupID or GroupIDSource policies aren't configured, the GroupID is defined as the AD Site (1), Authenticated domain SID (2) or Microsoft Entra tenant ID (5), in that order. |
| [Select the source of Group IDs](#select-the-source-of-group-ids) | DOGroupIDSource | 1803 | If not configured, check [Group ID](#group-id). When the GroupID or GroupIDSource policies aren't configured, the Group is defined as the AD Site (1), Authenticated domain SID (2) or Microsoft Entra tenant ID (5), in that order. |
| [Select a method to restrict peer selection](#select-a-method-to-restrict-peer-selection) | DORestrictPeerSelectionBy | 1803 | Windows 10 - default isn't configured. Windows 11 - default peer selection is restricted to the Subnet only in LAN [Download mode](#download-mode) (1). |
| [Select a method to restrict peer selection](#select-a-method-to-restrict-peer-selection) | DORestrictPeerSelectionBy | 1803 | Default isn't configured.|
| [Minimum RAM (inclusive) allowed to use peer caching](#minimum-ram-inclusive-allowed-to-use-peer-caching) | DOMinRAMAllowedToPeer | 1703 | Default value is 4 GB. |
| [Minimum disk size allowed to use peer caching](#minimum-disk-size-allowed-to-use-peer-caching) | DOMinDiskSizeAllowedToPeer | 1703 | Default value is 32 GB. |
| [Max cache age](#max-cache-age) | DOMaxCacheAge | 1511 | Default value is 259,200 seconds (three days). |
@ -233,7 +233,7 @@ Starting in Windows 10, version 1803, specifies the maximum background download
MDM Setting: **DORestrictPeerSelectionBy**
Starting in Windows 10, version 1803, configure this policy to restrict peer selection via selected option. In Windows 11, the 'Local Peer Discovery' option was introduced to restrict peer discovery to the local network. Currently the available options include: 0 = NAT, 1 = Subnet mask, and 2 = Local Peer Discovery. These options apply to both Download Modes LAN (1) and Group (2) and therefore means there's no peering between subnets.
Starting in Windows 10, version 1803, configure this policy to further restrict peer selection in Download Modes LAN (1) and Group (2). In Windows 11, the 'Local Peer Discovery' option was introduced to restrict peer discovery to the local network. Currently the available options include: 0 = None, 1 = Subnet mask, and 2 = Local Peer Discovery (DNS-SD). Choosing either Subnet mask (1) or Local Peer Discovery (2) will avoid peering between subnets.
If Group mode is configured, Delivery Optimization connects to locally discovered peers that are also part of the same Group (have the same Group ID) and prevents devices that aren't using the same Group ID from participating.

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windows/deployment/do/whats-new-do.md
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@ -45,8 +45,8 @@ There are two different versions:
- New setting: Customize vpn detection by choosing custom keywords. Now, you don't have to rely on Delivery Optimization keywords to detect your Vpn. By using the new VpnKeywords configuration you can add keywords for Delivery Optimization to use when detecting a Vpn when in use. You can find this configuration **[VPN Keywords](waas-delivery-optimization-reference.md#vpn-keywords)** in Group Policy or MDM under **DOVpnKeywords**.
- New setting: Use the disallow downloads from a connected cache server, when a Vpn is detected and you want to prevent the download from the connected cache server. You can find this configuration **[Disallow download from MCC over VPN](waas-delivery-optimization-reference.md#disallow-cache-server-downloads-on-vpn) in Group Policy or MDM under **DODisallowCacheServerDownloadsOnVPN**.
- Delivery Optimization introduced support for receiver side ledbat (rLedbat).
- New setting: Local Peer Discovery, a new option for **[Restrict Peer Selection By](waas-delivery-optimization-reference.md#select-a-method-to-restrict-peer-selection)** in Group Policy or MDM **DORestrictPeerSelectionBy**. This option restricts the discovery of local peers using the DNS-SD protocol. When you set Option 2, Delivery Optimization restricts peer selection to peers that are locally discovered (using DNS-SD). If Group mode is enabled, Delivery Optimization connects to locally discovered peers that are also part of the same group, for those devices with the same Group ID).Currently the available options include: 0 = None, 1 = Subnet mask, and 2 = Local Peer Discovery. The subnet mask option applies to both Download Modes LAN (1) and Group (2).
- Delivery Optimization introduced support for receiver side ledbat (rLEDBAT).
- New setting: Local Peer Discovery, a new option for **[Restrict Peer Selection By](waas-delivery-optimization-reference.md#select-a-method-to-restrict-peer-selection)** in Group Policy or MDM **DORestrictPeerSelectionBy**. This option restricts the discovery of local peers using the DNS-SD protocol. When you set Option 2, Delivery Optimization restricts peer selection to peers that are locally discovered (using DNS-SD).
> [!NOTE]
> The Local Peer Discovery (DNS-SD, [RFC 6763](https://datatracker.ietf.org/doc/html/rfc6763)) option can only be set via MDM delivered policies on Windows 11 builds. This feature can be enabled in supported Windows 10 builds by setting the `HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DeliveryOptimization\DORestrictPeerSelectionBy` value to **2**. For more information, see [Delivery Optimization reference](waas-delivery-optimization-reference.md).