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Networking Blog

The Official Blog Site of the Windows Core Networking Team at Microsoft
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2,086

SDN + AKS 3-15-23 Updates and Features

Kyle Bisnett on Mar 16 2023 09:28 AM
Support for leveraging existing SDN vNETs, multiple vNETs for your Target clusters to support isolation, and a new AKS H...
3,028

Physical switch requirement changes for Azure Stack HCI

Basel_Kablawi on Mar 15 2023 10:15 AM
Read on to see the latest updates to the Azure Stack HCI physical network switch requirements!
3,465

Azure Stack HCI: What's new for Software Defined Networking (SDN) with WAC v2211

Kyle Bisnett on Jan 17 2023 12:50 PM
Today is an exciting day as we share with each of you the extensive new features and improvements for SDN in Windows Adm...
2,632

Survey: Accelerated Networking

Basel_Kablawi on Jan 06 2023 03:10 PM
We want to hear from you regarding Accelerated Networking!
3,771

Network HUD: November 2022 content update has arrived!

Dan Cuomo on Nov 15 2022 06:01 AM
In our first article we introduced Network HUD as a new feature that proactively identifies and remediates operational n...
4,097

Introducing Network HUD for Azure Stack HCI

Dan Cuomo on Nov 15 2022 06:00 AM
We’re excited to announce the release of Network HUD - A new feature that proactively identifies and remediates operatio...
3,287

General Availability for SDN integration with AKS on Azure Stack HCI

Kyle Bisnett on Oct 12 2022 10:05 AM
Our SDN and AKS engineering teams are so excited to announce General Availability to fuel our customer’s desire to enabl...
7,176

LEDBAT Background Data Transfer for Windows

Daniel Havey on Sep 30 2022 08:50 AM
LEDBAT is the background data transfer product built into the Windows networking stack and recommended by the Windows Da...
3,876

Balance Performance in MsQuic and XDP

huanyi on Sep 16 2022 03:36 PM
Improving performance has always been a major goal for MsQuic. Recently, we have put in a lot of effort into getting ult...
6,275

NIC Certification updates in the Windows Server Catalog

Dan Cuomo on Aug 31 2022 08:38 AM
Read on to see how we’re simplifying the structure of Windows Server NIC certifications into a "role-based" structure!
3,927

Troubleshooting SDN Windows Admin Center Certificates

Kyle Bisnett on Aug 30 2022 02:58 PM
If you are receiving "The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secur...
3,903

Az Stack HCI: Software Defined Networking (SDN) extensions reach General Availability for WAC

Kyle Bisnett on Aug 25 2022 10:31 AM
SDN Extensions reach general availability for WAC: The rumors are true - SDN Infrastructure, Network Security Groups, Lo...
34.4K

DNS over TLS available to Windows Insiders

tojens on Jul 13 2022 10:00 AM
Instructions for enabling DNS over TLS support for Windows DNS client
9,218

Open Source XDP for Windows

nibanks on May 24 2022 09:56 AM
We're bringing the latest in network acceleration technology to Windows, and it's open source!
14.6K

Aligning on mDNS: ramping down NetBIOS name resolution and LLMNR

tojens on Apr 22 2022 09:00 AM
Describing our first step toward turning NetBIOS name resolution and LLMNR off by default
31.9K

mDNS in the Enterprise

JamesKehr on Apr 04 2022 01:36 PM
mDNS is everywhere these days because it is simple, easy to build, and user friendly. Everyone in the tech industry love...
6,131

Troubleshooting HTTP/3 in http.sys

tojens on Apr 01 2022 09:00 AM
A review of some common HTTP/3 deployment challenges and how to address them
24.1K

Making DoH Discoverable: Introducing DDR

tojens on Oct 27 2021 06:00 AM
Discovery of Designated Resolvers (DDR) is available to Windows Insiders to dynamically discover DoH configurations
18.1K

Deploying HTTP/3 on Windows Server at Scale

nibanks on Oct 12 2021 12:40 PM
We've recently started deploying HTTP/3 to Exchange Online servers globally and have some pretty exciting data to share!
6,746

Network ATC: Common Preview Questions

Dan Cuomo on Sep 27 2021 09:07 AM
Network ATC has received some great feedback during its time in preview. We’ve heard that you love how it: Simplifies de...
28.8K

What's QUIC?

JamesKehr on Aug 25 2021 06:58 AM
This is a quick discussion, all puns intended, about why QUIC is important to the modern internet.
32.4K

Enabling HTTP/3 support on Windows Server 2022

tojens on Aug 24 2021 06:00 AM
Instructions for enabling HTTP/3 for your Windows Server-based web services
20.1K

Windows Insiders gain new DNS over HTTPS controls

tojens on Jun 29 2021 06:00 AM
A recap of the new ways Insiders can configure the use of DNS over HTTPS on Windows
8,406

Network ATC on Azure Stack HCI

Dan Cuomo on May 27 2021 11:50 AM
Azure Stack HCI is a subscription service that, like Office 365 or Windows 10, continually get free updates. The next up...
20.8K

Algorithmic improvements boost TCP performance on the Internet

huanyi on May 11 2021 07:56 PM
We will walk through our journey and show how we made big strides in improving performance between Windows Server 2016 a...
24.6K

Making MsQuic Blazing Fast

nibanks on Apr 14 2021 11:13 AM
In the last year, MsQuic upload speeds have more than quadrupled! Come read about all we've done for MsQuic performance.
10.1K

Troubleshooting Switch Misconfiguration

Dan Cuomo on Mar 19 2021 01:46 PM
It can be difficult to determine if you host can't communicate because of a host or physical network configuration. The ...
5,979

Azure Kubernetes Service on Azure Stack HCI Parity with AKS PowerShell

jessicaguan on Mar 03 2021 09:00 AM
Azure Kubernetes Service on Azure Stack HCI's most recent release with PowerShell updates to align more with Azure Kuber...

Latest Comments

mvduin
in mDNS in the Enterprise on May 01 2023 09:50 PM
It may be "easy to implement" something that superficially resembles mDNS, but it's not that easy to implement mDNS correctly. One-shot legacy resolution (multicast queries with src port != 5353, yielding non-cacheable unicast replies) is pretty straightforward, but anyone who binds to port 5353 is ...
0 Likes
Mike Crowley
in Introducing Packet Monitor on Apr 07 2023 12:27 PM
What am I missing here? Why don't I see 1.1.1.1 traffic in the etl file? pktmon start --capture --pkt-size 0 -f C:\tmp\capture.etl ping 1.1.1.1 pktmon stop
0 Likes
Arian van der Pijl
in Introducing the NetAdapter Driver model for the next generation of networks and applications on Mar 29 2023 02:39 AM
So it's preferrable to install NetAdapterCx if the vendor offers this version next to the ndis driver?
0 Likes
huanyi
in Algorithmic improvements boost TCP performance on the Internet on Mar 22 2023 03:03 PM
@koensayr Unfortunately, we don't have a plan to back port these changes.
0 Likes
cblackuk1
in Physical switch requirement changes for Azure Stack HCI on Mar 16 2023 02:33 AM
Very nice write-up :) thanks for putting it together :) Overall feels like logical and useful changes :) Happy Azure Stacking :)
0 Likes