Coming Soon: Transport Advancements in the Windows 10 Creators update
Windows 10 Creators update is coming soon along with an exciting array of new transport features. Stay tuned for the official announcement!... Read more
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Windows Networking for Kubernetes
A seismic shift is happening in the way applications are developed and deployed as we move from traditional three-tier software models running in VMs to “containerized” applications and micro-services...
View ArticleWindows network performance suffering from bad buffering
Daniel Havey, Praveen Balasubramanian Windows telemetry results have indicated that a significant number of data connections are using the SO_RCVBUF and/or the SO_SNDBUF winsock options to statically...
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Troubleshooting certificate issues in Software Defined Networking (SDN)
As you may be aware, Network Controller in Windows Server 2016 uses certificate based authentication for communicating with Hyper-V hosts and Software Load Balancer MUX virtual machines (VMs). Some SDN...
View ArticleHTTPS Client Certificate Request freezes when the Server is handling a large...
HTTPS Client Certificate Request freezes when the Server is handling a large PUT/POST Request There is a class of problems that may occur when using client-side certificates in HTTPS. Sometimes, the...
View ArticleCore Network Stack Features in the Creators Update for Windows 10
By: Praveen Balasubramanian and Daniel Havey This blog is the sequel to our first Windows Core Networking features announcements post. It describes the second wave of core networking features in the...
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SDN Troubleshooting: UDP Communication failures and changing the Network...
With this blog post, I wanted to highlight a couple of issues that we have encountered recently with Software Defined Networking (SDN) customer deployments in Windows Server 2016. Issue #1: UDP...
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Available to Windows 10 Insiders Today: Access to published container ports...
Until now, a lingering limitation on Windows 10 has prevented access to published ports for containers via “localhost” or 127.0.0.1 (a.k.a. loopback). What this meant, was that if you had, say, a...
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The Evolution of RDMA in Windows: now extended to Hyper-V Guests
This post written by Don Stanwyck, Senior Program Manager, Windows Core Networking Remote DMA (RDMA) is an incredible technology that allows networked hosts to exchange information with virtually no...
View ArticleWindows Container and Virtual Network Deep Dive Mini-Blog Series coming…
Just wanted to give you a quick heads up that we are going to begin a Mini-Blog Series this Monday (12/11). We will be covering about Container networking, and Windows network virtualization (WNV)....
View ArticleWNV Deep Dive Part 1 – Introduction to Containers and Windows Network...
By James Kehr, Networking Support Escalation Engineer When I started writing this article it was going to be about Container networking, and nothing but Container networking. As the article progresses...
View ArticleWNV Deep Dive Part 2 – How WNV works
By James Kehr, Networking Support Escalation Engineer To understand Windows Network Virtualization (WNV) capture data you first need to understand what you’re looking at. Which is hard when you may not...
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WNV Deep Dive Part 3 – Capturing and Reading Virtualized Network Traffic
By James Kehr, Networking Support Escalation Engineer There are three primary tools used to capture virtual network traffic in Windows: netsh trace, the PowerShell NetEventPacketCapture module, and...
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WNV Deep Dive Part 4 – Looking at LBFO and Hyper-V traffic
By James Kehr, Networking Support Escalation Engineer We’re going to look at the two other basic types of WNV traffic in part 4: LBFO (NIC teaming) and Hyper-V. I’ll be skipping over Hyper-V Network...
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WNV Deep Dive Part 5 – Container Networking: The default NAT network
By James Kehr, Networking Support Escalation Engineer There are, as of this writing, five Container network types in Windows: NAT, Transparent, L2bridge, Overlay, and L2tunnel....
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WNV Deep Dive Part 6 – Container Networking: Transparent and L2bridge Networks
By James Kehr, Networking Support Escalation Engineer The next Container network type on the list is called, transparent. Production Container workloads, outside of swarms and special Azure...
View ArticleWindows Server 2016 Software Defined Networking: Updating the Network...
Network Controller uses a single certificate for northbound communication with REST clients (like System Center Virtual Machine Manager) and southbound communication with Hyper-V hosts and Software...
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Network start-up and performance improvements in Windows 10 April 2018 Update...
Increased container density, faster network endpoint creation time, improvements to NAT network throughput, DNS fixes for Kubernetes, and improved developer features A lot of enthusiasm and...
View ArticlePreviewing support for same-site cookies in Microsoft Edge
Please refer to our Edge blog: Previewing support for same-site cookies in Microsoft Edge
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Introducing the NetAdapter Driver model for the next generation of networks...
As we move towards a fully connected world, inundated with intelligent devices and massively distributed computing infrastructure, networks that can sustain high bandwidth have never been more...
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