<font size=2 face="sans-serif">Love varnish. We actually sit varnish in
front of squid, with an aim to remove squid completely. Main advantages
other than speed is more control and manipulation, ability to add headers,
redirect incoming users, split content on backends - dymanic pages from
one backend, static content from another. </font>
<br>
<br><font size=2 face="sans-serif">New version coming has some nice features
like better ESI support, also GZIP support. Even if the client doesn't
accept gzip it can still gzip content from the backend (useful if there
is distance / limits between your backend servers) before unzipping it
and sending to the client.</font>
<br>
<br><font size=2 face="sans-serif">Varnish also has some neat debugging
/ logging tools - Can use replay to capture live traffic and replay against
the server, so ability to repeat real world tests in a controlled way.
</font>
<br>
<br><font size=2 face="sans-serif">Lot more, but those are the main ways
we use Varnish which we can't get from squid. </font>
<br>
<br><font size=2 face="sans-serif">Cheers</font>
<br><font size=2 face="sans-serif">Nick</font>
<br>
<br>
<br>
<br>
<br><font size=1 color=#5f5f5f face="sans-serif">From:
</font><font size=1 face="sans-serif">Damien Morris <damien@yahoo-inc.com></font>
<br><font size=1 color=#5f5f5f face="sans-serif">To:
</font><font size=1 face="sans-serif">"ausnog@ausnog.net
List" <ausnog@ausnog.net></font>
<br><font size=1 color=#5f5f5f face="sans-serif">Date:
</font><font size=1 face="sans-serif">02/03/2011 01:24 PM</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Subject:
</font><font size=1 face="sans-serif">Re: [AusNOG]
squid peering mesh</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Sent by:
</font><font size=1 face="sans-serif">ausnog-bounces@lists.ausnog.net</font>
<br>
<hr noshade>
<br>
<br>
<br><tt><font size=2>On 2/02/11 7:06 PM, "Chris Keladis" <ckeladis@gmail.com>
wrote:<br>
>On Wed, Feb 2, 2011 at 9:09 AM, Damien Morris <damien@yahoo-inc.com><br>
>wrote:<br>
>>You hear more about squid being used as transparent caches for
paranoid<br>
>>management to monitor their uses, or as reverse proxies in front
of<br>
>>webservers than caching consumer data these days.<br>
>On the subject of reverse-proxies, i've heard Varnish is pretty sweet<br>
>(read: fast) :)<br>
></font></tt><a href="http://www.varnish-cache.org/about"><tt><font size=2>http://www.varnish-cache.org/about</font></tt></a><tt><font size=2><br>
<br>
Any advantages over squid besides speed..? I'll forego any soapboxing here<br>
about well architected web applications requiring reverse-proxies at all..<br>
=)<br>
<br>
<br>
>>Dynamic web pages, cheaper/faster bandwidth and SPoF issues with
proxies<br>
>>have all seen their use at ISPs diminish.<br>
>When long-fat-pipes (satellite and the like) were all the rage, proxy's<br>
>helped reduce HTTP RTTs (or increased them for a miss) :)<br>
>But these days, as they say, YMMV :)<br>
<br>
I definitely, sadly, remember the days when they were necessary :) I<br>
forgot to also mention that CDNs take away many of the reasons to run your<br>
own proxies these day, and do a much better job of it..<br>
<br>
Cheers,<br>
Damien.<br>
<br>
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