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Making DoH Discoverable: Introducing DDR

Making DoH Discoverable: Introducing DDR

Credit and thanks to Alexandru Jercaianu for implementation work DNS over HTTPS (DoH) in the DNS client exited preview and became a supported feature with the Windows Server 2022 and Windows 11 releases. Unlike plain-text DNS, DoH requires a template ... continue reading
Deploying HTTP/3 on Windows Server at Scale

Deploying HTTP/3 on Windows Server at Scale

Windows Server 2022 was released for general availability last month. Since then, in cooperation with the Microsoft 365 team, we have started deploying the latest Windows Server on Exchange Online service front door servers globally, with a primary goal of ... continue reading
What's QUIC?

What's QUIC?

James Kehr here with the Windows Networking Escalation Engineering team. Today’s topic is the newly published QUIC protocol. This is a quick discussion, all puns intended, about why QUIC is important to the modern internet. Back in the old days, ... continue reading

Enabling HTTP/3 support on Windows Server 2022

Credit and thanks to Matthew Cox and Daniel Ring for implementation work Windows Server 2022 is currently in preview as announced earlier this year. One of the new features it brings is native support for hosting HTTP/3 services. In this ... continue reading
Windows Insiders gain new DNS over HTTPS controls

Windows Insiders gain new DNS over HTTPS controls

Credit and thanks to Alexandru Jercaianu and Vladimir Cernov for implementation work Over the last year, we have been improving the DNS over HTTPS (DoH) functionality in the Windows DNS client. Now we are pleased to introduce you to the ... continue reading
Algorithmic improvements boost TCP performance on the Internet

Algorithmic improvements boost TCP performance on the Internet

Improved network performance over the Internet is essential for edge devices connecting to the cloud. Last mile performance impacts user perceived latencies and is an area of focus for our online services like M365, SharePoint, and Bing. Although the next ... continue reading
Making MsQuic Blazing Fast

Making MsQuic Blazing Fast

It’s been a year since we open sourced MsQuic and a lot has happened since then, both in the industry (QUIC v1 in the final stages) and in MsQuic. As far as MsQuic goes, we’ve been hard at work adding ... continue reading
Troubleshooting Switch Misconfiguration

Troubleshooting Switch Misconfiguration

It’s 5 PM on Friday evening – the weekend will soon be here. You do one last sweep of your inbox before signing off when your cellphone the bat phone rings. Someone didn’t get the memo about the unwritten operational ... continue reading
Azure Kubernetes Service on Azure Stack HCI Parity with AKS PowerShell

Azure Kubernetes Service on Azure Stack HCI Parity with AKS PowerShell

AksHci PowerShell February Release If you were one of many people who gave us feedback on our December release, we have exciting news for you! In our February release, we’ve delivered one of the most requested features, additional networking options! ... continue reading
Quick Tip: Does my NIC support VMMQ?

Quick Tip: Does my NIC support VMMQ?

Hi Folks - Most often, when a virtual machine or container is receiving network traffic, the traffic passes through the virtualization stack in the host. This requires host (parent partition) CPU cycles. Synthetic Data Path If the amount of traffic ... continue reading