JimC;195008 Wrote: 
> 
> We get a pretty hefty amount of traffic, so I also want to make sure
> whatever we use can handle the load and remain responsive.  That's the
> biggest concern I have for a CMS system -- I haven't seen an Open
> Source option that has the same capabilities as commercial packages in
> areas like load balancing, failure across servers, etc.  Drupal has
> some work being financed by Google's Summer of Code in this specific
> area, and it has some reasonably large deployments already, which is
> one of the things that appeals to me about it.
> 

Conceptually, you should consider "content management" and "content
delivery" as separate functions. Some CMSes want to handle both parts,
and scalability & availability are big concerns for such CMSes. But
many (I believe Bricolage is in this camp) focus on content management
and (typically) push files to the delivery tier, so traffic to the site
does not put any demand on the CMS. You can then use whatever you want
for the delivery tier -- Apache web server would probably work very
well for you, especially with its fairly strong localization features.


For availability & scalability, just build an infrastructure with
multiple servers behind a decent load balancer setup -- though if the
site design remains fairly "static" (vs. discusssion/blog/portal
dynamic design), you might do perfectly well with one Apache server,
or, to be more cautious, a cluster/HA pair. I don't know what "hefty
amount of traffic" means, though. How many million hits a day are we
talking about? Do you know what your average peak bandwidth usage is
for the web  site you're looking at replacing (this sounds like mostly
a question of the "www" site, not the forums or wiki) in
Megabits/second? The percentage breakdown of static content vs.
expensive CGI hits vs. less expensive dynamic hits? For a fairly static
site, you should be able to handle several Mbit/sec worth of traffic on
one server with no problems.

Since you're looking at open source offerings, I won't bother warning
about the shortcomings of the commercial vendor whose highly regarded
and widely deployed CMS offerings I've set up, customized, and run for
the past decade. ;-)

-Peter


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