Saves network bandwidth on Windows by letting a device download updates and apps over HTTP from nearby peers as well as from Microsoft Connected Cache and Microsoft's servers. Which peers are used depends on its download mode setting.
Also called DO.
Read more: Microsoft Learn
In the Ultra Transcenders books
Each book explains Delivery Optimization in context, with comparison tables and the common traps.
Terms in this definition
Related terms
- BITS
A Windows service for downloads. Delivery Optimization hands downloads to it in Bypass mode (100), a mode now deprecated for Windows 11 that can cause failures with error 0x80d03002.
- LAN
A local area network covering a single site. By default, Delivery Optimization downloads share content between peers that sit behind the same NAT.
- Microsoft Connected Cache for Enterprise and Education
A purely software cache, run from Azure, that holds Microsoft downloads like Defender and Windows updates, Intune apps and Microsoft 365 Apps. Hosts can be Ubuntu 24.04, Windows 11 or Windows Server 2022 and newer, and clients use it via Delivery Optimization.