Windows has been able to reduce the size of Windows Update downloads with a feature called Express.Įxpress update delivery applies to quality update downloads. Windows client quality update downloads can be large because every package contains all previously released fixes to ensure consistency and simplicity. For detailed information about how Windows PE Peer Cache works and how to configure it, see Prepare Windows PE peer cache to reduce WAN traffic in Microsoft Endpoint Configuration Manager. Using this technology, clients imaging with Microsoft Endpoint Manager task sequences can source operating system images, driver packages, boot images, packages, and programs from peers instead of distribution points. In addition to Client Peer Cache, similar functionality is available in the Windows Preinstallation Environment (Windows PE) for imaging-related content. For more information, see Client Peer Cache. Microsoft Endpoint Manager has an additional feature called Client Peer Cache that allows peer-to-peer content sharing between clients you use Microsoft Endpoint Manager to manage, in the same Configuration Manager boundary Group. Delivery Optimization can significantly reduce the amount of network traffic to external Windows Update sources as well as the time it takes for clients to retrieve the updates.īranchCache is a bandwidth optimization technology that is included in some editions of Windows Server 2016 and Windows operating systems, as well as in some editions of Windows Server 2012 R2, Windows 8.1, Windows Server 2012, Windows 8, Windows Server 2008 R2, and Windows 7. Windows Update, Windows Update for Business, and Windows Server Update Services (WSUS) can use Delivery Optimization. Using the settings available for Delivery Optimization, clients can be configured into groups, allowing organizations to identify devices that are possibly the best candidates to fulfill peer-to-peer requests. Windows clients can source content from other devices on their local network that have already downloaded the updates or from peers over the internet. Two methods of peer-to-peer content distribution are available.ĭelivery Optimization is a peer-to-peer distribution method in Windows. These technologies can be used with several of the servicing tools for Windows client. Windows client offers two peer-to-peer options for update content distribution: Delivery Optimization and BranchCache. When considering your content distribution strategy for Windows 10, think about enabling a form of peer-to-peer content sharing to reduce bandwidth issues during updates.
Looking for consumer information? See Windows Update: FAQ
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