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QoS Traffic Generator Example Usage

Posted Thursday, May 07, 2009 4:47 PM by AriPernick
In my last post , I announced the availability of QoS Traffic Generator on Microsoft Connect. In order to help you understand the usage of this tool, I have provided some examples of what it can do. One of the most common tasks is to send traffic from Read More...
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QoS Traffic Generator is now available on Connect

Posted Thursday, April 30, 2009 4:35 PM by AriPernick
I’m posting on behalf of Jim Liu who is a SDET in Windows Core Networking. -- Ari The QoS team is pleased to announce the availability of the QoS Traffic Generator on Microsoft Connect. This tool was developed during the Windows 7 development process Read More...
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QoS in Windows 7

Posted Wednesday, January 28, 2009 12:40 AM by charwen
Hello all. My name is Charley. I’m the new QoS program manager for Windows Core Networking. It has been a while since we posted our last article about QoS. We want to assure you that we’re still committed to improving this technology and building new Read More...
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Throttling, DSCP, and 802.1p with Traffic Control

Posted Wednesday, November 14, 2007 3:07 PM by wndpteam
In his introductory post about the legacy Traffic Control (TC) API , Gabe discussed the host-based model that TC provides. In this post, we will see how Traffic Control APIs can be used to achieve the following for TCP/IPv4 and UDP/IPv4 traffic sent from Read More...
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Introduction to Windows QoS Traffic Control

Posted Tuesday, October 09, 2007 11:05 AM by wndpteam
Disclaimer: Traffic Control (TC) APIs have been marked as deprecated , and will be phased out (eventually removed) when a suitable replacement API is available. No advancements will be made to these APIs (including adding IPv6 support) in their deprecated Read More...
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WiFi WMM Requirements for Vista Miniport Drivers

Posted Tuesday, September 18, 2007 8:00 AM by wndpteam
A number of partners who author wireless drivers for Vista have asked how they can ensure their WiFi Wireless Multimedia (WMM) implementation is correct, so I thought I'd be explicit about this very important topic. To begin, read the 4-part series WiFi Read More...
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Detecting 802.1p Priority Tags: Part 3

Posted Friday, September 14, 2007 3:39 PM by wndpteam
Parts 1 and 2 of this series discussed how to determine whether an 802.1p tag was added to traffic, and how to modify the NDIS light-weight-filter (LWF) sample driver source code to accomplish this task. We do know that you're all very busy and not everyone Read More...
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Detecting 802.1p Priority Tags: Part 2

Posted Thursday, September 13, 2007 4:43 PM by wndpteam
In Gabe’s last post on detecting 802.1p priority tags, he described at a relatively high-level why it is difficult to detect a priority tag using packet tracing applications, as well as the proper way to determine whether a tag was present in a packet Read More...
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Detecting 802.1p Priority Tags

Posted Friday, September 07, 2007 7:00 AM by wndpteam
Consider a case where a network application calls Windows QoS APIs to add a layer-2 IEEE 802.1Q UserPriority tag (almost always referred to as 802.1p ) to outgoing traffic. Ascertaining whether the tag actually got added to an outgoing packet is not as Read More...
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Windows Rally Demo'd at WinHEC

Posted Wednesday, May 16, 2007 12:52 PM by wndpteam
I noticed that there was a demo of Rally technologies at the WinHEC keynote the other day, so I created a link to part of the keynote with the Rally demo . Enjoy. -- Ari Pernick Read More...
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The Importance of 5GHz Operation for Video

Posted Friday, February 09, 2007 8:00 AM by wndpteam
Recently, I read a great article on ZDNet that discusses the challenges IEEE 802.11n faces with 2.4GHz operation. The article is appropriately titled The Consequences of Abandoning the 5GHz Frontier , and discusses some history, backward compatibility, Read More...
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Wireless Routers That Rock: First Works With Vista Router

Posted Wednesday, February 07, 2007 8:00 AM by wndpteam
Congratulations to D-Link (powered by Ubicom ) for being the first ever to acheive a Windows Vista logo for the DIR-655 wireless router. While Buffalo acheived the premium "Certified for Windows Vista" logo , D-Link was first to meet the baseline "Works Read More...
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Wireless Routers That Rock: First Certified For Vista Router

Posted Monday, February 05, 2007 4:47 PM by wndpteam
Congratulations to Buffalo for being the first to acheive a Certified for Windows Vista logo for their dual-band WZR-AG300NH wireless router. In short, this device passed over eight hours worth of rigerous testing designed to ensure a fantastic experience Read More...
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QoS Support in Windows

Posted Friday, February 02, 2007 1:54 PM by wndpteam
A few months ago, a technical account manager for a customer sent an email to everyone in Windows networking asking about QoS support in Windows. When answering the question, I realized that there was no single document or web page that outlined the level Read More...
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Windows Vista Networking Goodies, Part 2: Device & Service Discovery

Posted Friday, January 05, 2007 11:34 AM by wndpteam
In my first post of this series, I talked about Windows Connect Now (WCN) and how easy it is in Windows Vista to discover, configure, and securely connect devices to a wireless network. In this post, I’ll talk about how to discover PCs, devices, and services Read More...
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