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Update waas-delivery-optimization-faq.yml

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Meghan Stewart
2024-02-20 13:50:28 -08:00
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windows/deployment/do/waas-delivery-optimization-faq.yml
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@ -56,7 +56,8 @@ sections:
answer: |
There are many different Delivery Optimization [settings](waas-delivery-optimization-reference.md) available. These settings allow you to effectively manage how Delivery Optimization is used within your environment with controls on bandwidth, time of day, etc.
- question: Does Delivery Optimization work with WSUS?
answer: Yes. Devices obtain the update payloads from the WSUS server, but must also have an internet connection as they communicate with the Delivery Optimization cloud service for coordination.
answer: |
Yes. Devices obtain the update payloads from the WSUS server, but must also have an internet connection as they communicate with the Delivery Optimization cloud service for coordination.
- question: How are downloads initiated by Delivery Optimization?
answer: |
Delivery Optimization only starts when an application or service that's integrated with Delivery Optimization starts a download. For example, the Microsoft Edge browser. For more information about Delivery Optimization callers, see [Types of download content supported by Delivery Optimization](waas-delivery-optimization.md#types-of-download-content-supported-by-delivery-optimization).
@ -83,7 +84,7 @@ sections:
Delivery Optimization also communicates with its cloud service by using HTTP/HTTPS over port 80.
- question: What are the requirements if I use a proxy?
answer: |
For Delivery Optimization to successfully use the proxy, you should set up the proxy by using Windows proxy settings or Internet Explorer proxy settings. For details see [Using a proxy with Delivery Optimization](../do/delivery-optimization-proxy.md). Most content downloaded with Delivery Optimization uses byte range requests. Make sure your proxy allows byte range requests. For more information, see [Proxy requirements for Windows Update](/windows/deployment/update/windows-update-troubleshooting).
For Delivery Optimization to successfully use the proxy, you should set up the proxy by using Windows proxy settings or Internet Explorer proxy settings. For details see [Using a proxy with Delivery Optimization](../do/delivery-optimization-proxy.md). Most content downloaded with Delivery Optimization uses byte range requests. Make sure your proxy allows byte range requests. For more information, see [Proxy requirements for Windows Update](/windows/deployment/update/windows-update-troubleshooting).
- question: What hostnames should I allow through my firewall to support Delivery Optimization?
answer: |
**For communication between clients and the Delivery Optimization cloud service**:
@ -123,10 +124,10 @@ sections:
Delivery Optimization uses the cache content on the device to determine what's available for peering. For the upload source device, there's a limited number (4) of slots for cached content that's available for peering at a given time. Delivery Optimization contains logic that rotates the cached content in those slots.
- question: Does Delivery Optimization use multicast?
answer: |
No. It relies on the cloud service for peer discovery, resulting in a list of peers and their IP addresses. Client devices then connect to their peers to obtain download files over TCP/IP.
No. It relies on the cloud service for peer discovery, resulting in a list of peers and their IP addresses. Client devices then connect to their peers to obtain download files over TCP/IP.
- question: How does Delivery Optimization deal with congestion on the router from peer-to-peer activity on the LAN?
answer: |
Starting in Windows 10, version 1903, Delivery Optimization uses LEDBAT to relieve such congestion. For more information, see this post on the [Networking Blog](https://techcommunity.microsoft.com/t5/Networking-Blog/Windows-Transport-converges-on-two-Congestion-Providers-Cubic/ba-p/339819).
Starting in Windows 10, version 1903, Delivery Optimization uses LEDBAT to relieve such congestion. For more information, see this post on the [Networking Blog](https://techcommunity.microsoft.com/t5/Networking-Blog/Windows-Transport-converges-on-two-Congestion-Providers-Cubic/ba-p/339819).
- question: How does Delivery Optimization handle VPNs?
answer: |
Delivery Optimization attempts to identify VPNs by checking the network adapter type and details. A connection is treated as a VPN if the adapter description contains certain keywords, such as "VPN" or "secure."