Merge remote-tracking branch 'refs/remotes/origin/master' into vs-10574249

windows/manage/waas-delivery-optimization.md

@@ -71,6 +71,11 @@ There are additional options available to robustly control the impact Delivery O
 - [Monthly Upload Data Cap](#monthly-upload-data-cap) controls the amount of data a client can upload to peers per month.
 - [Minimum Background QoS](#minimum-background-qos) lets administrators guarantee a minimum download speed for Windows updates. This is achieved by adjusting the amount of data downloaded directly from Windows Update or WSUS servers, rather than other peers in the network.
 
+### How Microsoft uses Delivery Optimization
+In Microsoft, to help ensure that ongoing deployments weren’t affecting our network and taking away bandwidth for other services, Microsoft IT used a couple of different bandwidth management strategies. Delivery Optimization, peer-to-peer caching enabled through Group Policy, was piloted and then deployed to all managed devices using Group Policy. Based on recommendations from the Delivery Optimization team, we used the "group" configuration to limit sharing of content to only the devices that are members of the same Active Directory domain. The content is cached for 24 hours. More than 76 percent of content came from peer devices versus the Internet.
+
+For more details, check out the [Adopting Windows as a Service at Microsoft](https://www.microsoft.com/itshowcase/Article/Content/851/Adopting-Windows-as-a-service-at-Microsoft) technical case study.
+
 Provided below is a detailed description of every configurable feature setting. Use these details when configuring any of the above settings.
 
 ### Download mode