Windows Core Networking

Windows Core Networking APIs and technologies such as Winsock, TCP/IP stack, WFP, IPsec, IPv6, WSK, WinINet, Http.sys, WinHttp, QoS, and System.Net

August, 2006

  • Windows Core Networking

    A bit about WinInet's Index.dat

    • 23 Comments
    Since a recent digg article and its underlying Wikipedia entry seems a little confused about index.dat, I’d like to give some more detail about what it is and what we have changed with it in IE7/Vista’s version of WinInet. As Jeffdav explained a while...
  • Windows Core Networking

    A bit about WinInet’s Index.dat – Q&A

    • 11 Comments
    In my previous post I tried to explain a bit about what the index.dat files are and what has changed in IE7/Windows Vista timeframe. The post got a couple questions that I'll attempt to answer here. 1) Mike: The real problem behind index.dat is that...
  • Windows Core Networking

    Content-Encoding != Content-Type

    • 6 Comments
    RFC 2616 for HTTP 1.1 specifies how web servers must indicate encoding transformations using the Content-Encoding header. Although on the surface, Content-Encoding (e.g., gzip, deflate, compress) and Content-Type (e.g., x-application/x-gzip) sound similar...
  • Windows Core Networking

    Buffering in HTTP.SYS

    • 4 Comments
    My name is Chun Ye. I am a Software Design Engineer in the Microsoft Windows Networking Transports & Connectivity group. I'm here to describe the scenarios under which an application using HTTPAPI.DLL should set the HTTP_SEND_RESPONSE_FLAG_BUFFER_DATA...
  • Windows Core Networking

    Creating IP Agnostic Applications - Part 1

    • 5 Comments
    In Windows Vista and Windows Server "Longhorn," IPv6 is installed and enabled by default. When both IPv4 and IPv6 are enabled on these OSs, the TCP/IP stack prefers to use IPv6 over IPv4. For example, APIs such as ConnectByName will attempt to connect...
  • Windows Core Networking

    A WinINet Chunked-Encoding Story

    • 2 Comments
    A couple of months back, Nick Bradbury of Homesite and FeedDemon fame posted a blog entitled, " Microsoft, Please fix this WinINet bug! " where he mentioned some users of FeedDemon 2.0 were experiencing a significant CPU spike when downloading RSS feeds...
  • Windows Core Networking

    Large Request Payload Support in WinHttp for Windows Vista

    • 3 Comments
    If you have used WinHttp to upload data to a server, you probably noticed that the total payload length parameter (dwTotalLength in WinHttpSendRequest) is of type DWORD, which is a 32 bit unsigned number. This limits the WinHttp apps to uploading 4GB...
  • Windows Core Networking

    How to find consumer network gear that rocks

    • 11 Comments
    Over the past few years, we've seen consumer networking products get really cheap. While cheap in a currency sense is great, we're unfortunately left experiencing the same of product quality (usually while grimacing at the "getting started" manual). Consumer...
  • Windows Core Networking

    WiFi QoS Support in Windows Vista: WMM Part 4

    • 7 Comments
    Parts 1-3 of this series on WMM provided a bunch of details about how the Windows Vista network stack enables prioritization on WiFi networks, and how to figure out if the access point actually supports this capability. This post describes what behavior...
  • Windows Core Networking

    A Tale of 20 Cookies

    • 5 Comments
    As more applications move to leveraging the web, either through desktop-integration or complete migration to a web model, maintaining user state on the web becomes critical. For many web sites and applications this means the use of in-memory and persistent...
  • Windows Core Networking

    From WinHEC to Black Hat USA 2006

    • 1 Comments
    It’s been several weeks now since WinHEC, and we’ve been hard at work on RC1 work for the NetIO networking stack in Windows Vista and Windows Server Code-Name Longhorn. It was really great to meet with so many of the folks who’ve been partnering with...
  • Windows Core Networking

    Networking Developer Online Chat (9/1/06)

    • 5 Comments
    Update: This chat occurred on 9/1/06. The transcript will be posted here in the next few days. This is just a reminder that the Windows Core Networking team will be on hand to answer your questions about the new technologies and features for network...
  • Windows Core Networking

    What's New for Developers in Windows Vista Networking

    • 0 Comments
    The Windows Core Networking team will be on hand to answer your questions about the new technologies and features for network application development on Windows Vista. This chat is for developers, and anyone else, interested in Windows Vista and Windows...
  • Windows Core Networking

    Windows Live Writer

    • 0 Comments
    I need to take a step back and take notice of all of the great applications that our team enables more often. We enable some great integrations between the web and the desktop by having all HTTP protocol stacks live in one Microsoft team. Whether it is...
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