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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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The Case of Vista Multimedia Playback and Network Throughput

Posted Monday, August 27, 2007 10:07 AM by wndpteam
Mark Russinovich has a great post today on the what and how of the network/multimedia vista issue that people have recently been talking about. Amusingly enough a couple people on /. more or less figured it out, but are only modded 3 and lower. Go Figure. Read More...
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WiFi QoS Support in Windows Vista: WMM part 2

Posted Friday, June 30, 2006 1:00 AM by wndpteam
My previous post on WiFi QoS (WMM) discussed the four access classes (BG, BE, VI, and VO) available for traffic differentiation. I also highlighted that packets containing either a layer-2 802.1p tag or layer-3 DSCP mark (i.e. packets associated with Read More...
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WiFi QoS Support in Windows Vista: WMM

Posted Wednesday, June 28, 2006 7:22 PM by wndpteam
In Windows Vista, a great deal of effort has gone into making it simple for network applications to take advantage of QoS capable networks. This post focuses on QoS for WiFi networks (both consumer and enterprise) and how the Vista network stack enables Read More...
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The NDIS 6.0 Driver Model

Posted Monday, May 15, 2006 11:00 AM by wndpteam
NDIS 6.0 was introduced to the independent hardware vendor (IHV) and developer community at last year’s WinHEC. It brings the promise of greater performance, improved manageability, reduced complexity for NDIS miniports, and simpler models for writing Read More...
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An Interview with Alireza Dabagh, NDIS development lead

Posted Monday, April 17, 2006 6:37 PM by wndpteam
Tell us about what you do in Windows. I’m NDIS development lead. I lead a team which works on NDIS and related components, and I also contribute to the architecture, coding and design of our components. How long have you been participating in WinHEC? Read More...
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