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From Bryan Koschmann - GKT <>
Subject RE: name vs ip based virtual
Date Mon, 24 Jun 2002 21:45:39 GMT
We've only got like 90 virtual hosts, all simple domain hosting. Sounds
like I'll be fine with name based, and if I need SSL, I'll just give that
site an IP.

Thanks everyone. This has helped quite a bit!


On Mon, 24 Jun 2002, Bernecker, Richard {PBSG} wrote:

|Fletcher Sandbeck wrote:
|> On 2002-06-24 at 2:21 PM, Bernecker, Richard {PBSG} wrote:
|> > If you're using IP based virtual hosting, moving an app from
|> > one server to another does NOT require any DNS updates - only
|> > that you bind the virtual host's IP to the interface of it's
|> > new server and unbind it from the old server. that can be a
|> > lifesaver if you ever smoke a server/need to hit Disaster
|> > Recovery mode.
|> Even with hostname based virtual hosting you don't have to do
|> any DNS changes to
|> move the sites to a different machine.  As long as you move
|> all the sites which
|> share a single IP address to a replacement machine as a group
|> it is just as easy
|> as moving sites that each have different IP addresses.
|Agreed, so long as you can maintain that symbiotic relationship
|between a given server/platform and a given group of virtual
|hosts. In many cases, I've found that I cannot guarantee that
|I'll have at least one 'like' replacement platform for each of
|my current server types, and being able to 'mix-n'match' vhosts
|and available server platforms (capacity sizing, basically)
|comes in bloody handy.
|> I would argue that it's actually easier to recover from a
|> disaster if you use
|> hostname based virtual hosting since you don't need to alter
|> the network
|> settings on the replacement machine, you just need to set the
|> IP address to the
|> IP address of the defunct server and restore your apache
|> settings from backup
|> onto the new machine.
|See above, and just wait until you have hundreds and hundreds
|of heterogeneous server platforms distributed across 3-4 time
|zones and coupled with localized tape solutions. <vbg>
|Richard Bernecker
|PBSG - Addison, TX
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