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Thread: CDN domains vs IPs

  1. #1
    HEXUS webmaster Steve's Avatar
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    CDN domains vs IPs

    Hi guys,

    Quick question on browser DNS.

    I know that a well behaved browser only allows a certain number of simultaneous connections to a domain. So when creating a CDN, will the browser notice if multiple sub-domains share the same IP and not allow more connections?

    I was going to setup a small test for this but I thought it'd be quicker to ask.

    Cheers!
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    Seething Cauldron of Hatred TheAnimus's Avatar
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    Re: CDN domains vs IPs

    http://ajaxian.com/archives/using-cn...nection-limits

    It would seam they do allow multiple connections per IP.

    When you think how you use the BSD socket layer, resolving addresses would be an odd extra step to have before the limit counting.
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  3. #3
    HEXUS webmaster Steve's Avatar
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    Re: CDN domains vs IPs

    That was my reasoning I just couldn't find any evidence to support it.

    Thanks for that.
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    Re: CDN domains vs IPs

    I found in testing (of lets say, a pretty busy website), that depending on the browser, you'll end up hitting its internal connection limit soon enough regardless of how many cnames the content is spread against.

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    HEXUS webmaster Steve's Avatar
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    Re: CDN domains vs IPs

    Yeah I've found Firefox 3.6x defaults to 6 simultaneous connections anyway - at least it looks that way in Firebug.
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