[WEB400] Re: Multiple web instances assistance and comments

["Steve McKay" <steve.mckay@xxxxxxxxxxxxxx>]

Nathan -

Additional questions:

You wrote:
"> Yes.  OS/400 supports multiple IP addresses on a single NIC.  Each
instance
> of the HTTP Server can be configured to receive requests on the same port
> (80) of the unique individual IP addresses."

So each IP address has a "full-range" of ports available to it 1 - 65535?

"> Are these CGI apps?"

The majority (and most mission critical) of the apps are not CGI . . . but
there are 2 CGI apps which are high profile.

Thanks for your help,

Steve

"Nathan M. Andelin"
<nandelin=uLFwQiodB6j7ZPEc29C2Qq6+1OQI6iwo@public.gmane.org> wrote in
message 011601c2be79$bb732140$fbfea8c0@realdata">news:011601c2be79$bb732140$fbfea8c0@realdata...

>
> > Or will the first instance started take control of port 80 to the
> > exclusion of the other instances?
>
> No.
>
> > If we do separate the apps to different instances, would we see any
> > performance benefit?
>
> No.  Performance may decline just a tad.  You'd need to come up with a way
> to properly route requests to the correct IP address.  What you're
proposing
> is probably slightly less scalable due to some extra load associated with
> routing requests across multiple addresses, and the extra load of running
> multiple HTTP server instances.
>
> > We want to separate the instances so we can shut down individual apps
> > without taking all of them down.
>
> Are these CGI apps?
>
> Nathan M. Andelin
> www.relational-data.com
>
>
>
> _______________________________________________
> This is the Web Enabling the AS400 / iSeries (WEB400) mailing list
> To post a message email: WEB400=Zwy7GipZuJhWk0Htik3J/w@public.gmane.org
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo.cgi/web400
> or email: WEB400-request=Zwy7GipZuJhWk0Htik3J/w@public.gmane.org
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/web400.
>
>