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windows/deployment/do/delivery-optimization-proxy.md
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@ -6,9 +6,9 @@ keywords: updates, downloads, network, bandwidth
ms.prod: w10
ms.mktglfcycl: deploy
audience: itpro
author: jaimeo
author: carmenf
ms.localizationpriority: medium
ms.author: jaimeo
ms.author: carmenf
ms.collection: M365-modern-desktop
ms.topic: article
---

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windows/deployment/do/delivery-optimization-workflow.md
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@ -29,12 +29,12 @@ This workflow allows Delivery Optimization to securely and efficiently deliver r
2. The authenticity of the content metadata file itself is verified prior to any content being downloaded using a hash that is obtained via an SSL channel from the Delivery Optimization service. The same channel is used to ensure the content is curated and authorized to leverage peer-to-peer.
3. When Delivery Optimization pulls a certain piece of the hash from another peer, it verifies the hash against the known hash in the content metadata file.
4. If a peer provides an invalid piece, that piece is discarded. When a peer sends multiple bad pieces, it's banned and will no longer be used as a source by the Delivery Optimization client performing the download.
5. If Delivery Optimization is unable to obtain the content metadata file, or if the verification of the hash file itself fails, the download will fall back to “simple mode” (pulling content only from an HTTP source) and peer-to-peer won't be allowed.
5. If Delivery Optimization is unable to obtain the content metadata file, or if the verification of the hash file itself fails, the download will fall back to "simple mode” (pulling content only from an HTTP source) and peer-to-peer won't be allowed.
6. Once downloading is complete, Delivery Optimization uses all retrieved pieces of the content to put the file together. At that point, the Delivery Optimization caller (for example, Windows Update) checks the entire file to verify the signature prior to installing it.
## Delivery Optimization service endpoint and data information
|Endpoint hostname|Port|Name|Description|Data sent from the computer to the endpoint
|Endpoint hostname | Port|Name|Description|Data sent from the computer to the endpoint
|--------------------------------------------|--------|---------------|-----------------------|------------------------|
| geover-prod.do.dsp.mp.microsoft.com <br> geo-prod.do.dsp.mp.microsoft.com <br> geo.prod.do.dsp.mp.microsoft.com <br> geover.prod.do.dsp.mp.microsoft.com | 443 | Geo | Service used to identify the location of the device in order to direct it to the nearest data center. | **Profile**: The device type (for example, PC or Xbox) <br> **doClientVersion**: The version of the DoSvc client <br> **groupID**: Group the device belongs to (set with DownloadMode = '2' (Group download mode) + groupID group policy / MDM policies) |
| kv\*.prod.do.dsp.mp.microsoft.com | 443| KeyValue | Bootstrap service provides endpoints for all other services as well as device configs. | **countryCode**: The country the client is connected from <br> **doClientVersion**: The version of the DoSvc client <br> **Profile**: The device type (for example, PC or Xbox) <br> **eId**: Client grouping Id <br> **CacheHost**: Cache host id |

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windows/deployment/do/waas-delivery-optimization-reference.md
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@ -22,7 +22,7 @@ ms.custom: seo-marvel-apr2020
- Windows 10
- Windows 11
> **Looking for more Group Policy settings?** See the master spreadsheet available at the [Download Center](https://www.microsoft.com/en-us/download/details.aspx?id=103506).
> **Looking for more Group Policy settings?** See the master spreadsheet available at the [Download Center](https://www.microsoft.com/download/details.aspx?id=103506).
There are a great many details you can set in Delivery Optimization to customize it to do just what you need it to. This topic summarizes them for your reference. If you just need an overview of Delivery Optimization, see [Delivery Optimization for Windows client updates](waas-delivery-optimization.md). If you need information about setting up Delivery Optimization, including tips for the best settings in different scenarios, see [Set up Delivery Optimization for Windows client updates](waas-delivery-optimization-setup.md).

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windows/deployment/do/waas-delivery-optimization-setup.md
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@ -32,7 +32,7 @@ You will find the Delivery Optimization settings in Group Policy under **Compute
Starting with Microsoft Intune version 1902, you can set many Delivery Optimization policies as a profile, which you can then apply to groups of devices. For more information, see [Delivery Optimization settings in Microsoft Intune](/intune/delivery-optimization-windows))
**Starting with Windows 10, version 1903,** you can use the Azure Active Directory (Azure AD) Tenant ID as a means to define groups. To do this set the value for DOGroupIdSource to its new maximum value of 5.
**Starting with Windows 10, version 1903**, you can use the Azure Active Directory (Azure AD) Tenant ID as a means to define groups. To do this set the value for DOGroupIdSource to its new maximum value of 5.
## Recommended Delivery Optimization settings

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windows/deployment/do/waas-delivery-optimization.md
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@ -28,7 +28,7 @@ ms.custom: seo-marvel-apr2020
Windows updates, upgrades, and applications can contain packages with large files. Downloading and distributing updates can consume quite a bit of network resources on the devices receiving them. You can use Delivery Optimization to reduce bandwidth consumption by sharing the work of downloading these packages among multiple devices in your deployment. Delivery Optimization is a cloud-managed solution that allows clients to download those packages from alternate sources (such as other peers on the network) in addition to the traditional Internet-based servers. You can use Delivery Optimization with Windows Update, Windows Server Update Services (WSUS), Windows Update for Business, or Microsoft Endpoint Manager (when installation of Express Updates is enabled).
Access to the Delivery Optimization cloud services and the Internet, are both requirements for using the peer-to-peer functionality of Delivery Optimization.
Access to the Delivery Optimization cloud services and the Internet, are both requirements for using the peer-to-peer functionality of Delivery Optimization.
For information about setting up Delivery Optimization, including tips for the best settings in different scenarios, see [Set up Delivery Optimization](waas-delivery-optimization-setup.md). For a comprehensive list of all Delivery Optimization settings, see [Delivery Optimization reference](waas-delivery-optimization-reference.md).