RE: XCompress for ISA -- Compression Filter
- From: "John Tolmachoff \(Lists\)" <johnlist@xxxxxxxxxxxxxxxxxxx>
- To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
- Date: Fri, 9 Jul 2004 13:49:00 -0700
> do is provide compression. With the XCompress for ISA, compression is
done
> on the ISA server by our filter.
OK, meaning that XCompress now is one of the ends, got it.
> Q: What is the purpose/benefit of compressing at the firewall?
> A: Well firewall compression might not be that interesting, unless you are
> using your ISA server for a reverse proxy or forward proxy.
>
> Let's say your ISA is set up as a proxy server for the outbound Internet
at
> your Coporate headquarters in New York, and you have a WAN where your
branch
> office is in LA. The branch office connects via a partial frame via VPN
to
> coporate that provides outbound access. If you install XCompress for IIS
in
> NY, it will compress all the Internet responses from the outside, making
the
> partial frame faster, and the VPN encryption quicker.
>
> Or, you have a ISA server in front of your web server, as a
> firewall/proxy/cache, and you want to compress that traffic before it
leaves
> your data center. Install XCompress for IIS, and the outbound traffic is
> reduced and your bandwidth bills goes down.
Did not think of either of those 2 scenerios. Too much going on right now.
> Q: How will that speed up traffic or reduce bandwidth usage?
> A: Is this question answer by the above?
Yes.
John Tolmachoff
Engineer/Consultant/Owner
eServices For You
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