HTTP downloads slow - FTP of same file very fast - Windows 2003

Posted by Paul Hinett on Server Fault See other posts from Server Fault or by Paul Hinett
Published on 2010-03-19T19:17:58Z Indexed on 2010/03/19 19:21 UTC
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windows-2003

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download

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iis

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ftp

I am having some issues with download speeds on my site via http, i am averaging around 70kbps downloading a file that is around 70mb.

But if i connect to my server via FTP and download the same file on the same computer / connection i am averaging about 300+kbps.

I know my server has alot of connections at any one time, probably around 400 connections.

My server has a 1gbps connection to the internet so there is plenty of bandwidth available, as proven with the FTP.

I have no throttling of any kind enabled in IIS.

If interested there is a test file here you can download to check the speed: http://filesd.house-mixes.com/test.zip

I am based in the UK and the server is in Washington, USA if that makes any difference.

Paul

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