Proxy/load balancing/hot standby.

I am currently configuring av test setup.
We will have one machine in DMZ (called A) and two internal machines (B and C). All machines will run Windows 2008 R2, the two internal machines will run IIS7.5.

One of the internal macines (B) will run a windows service that must be able to connect to the internet - so I need to configure a forward proxy for this use on (A).
For incoming requests I want to configure a reverse proxy on (A) that will connect to IIS services on (B) and (C), as of now this will be static routes but later on we
would like to do load balancing and hot standby.

Any suggestions to what proxy software I should use?

Since we are your using IIS on B and C - I have looked for a Microsoft product that can be used for forward/reverse proxy and load balancing/hot standby but with no success.
Any suggestions would be appreciated - MS products or not...
The software does not need to be open-source/free.

I have been reading a little about Apache mod_proxy and mod_balancer, it seems promising - it supports both forward and reverse proxy - but I am not sure if I will be able to configure both on the same HW - anyone know?
ElisasAsked:
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StEndellionCommented:
If you are willing to use linux, there is a easy to configure, free solution called haproxy. See this:

http://haproxy.1wt.eu/

If you don't want to fully commit to linux on (A), you could do it with a VM, since the setup would not require much in the way of system resources.
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ElisasAuthor Commented:
To run two apache servers (reverse proxy and forwarding proxy) the source will have to be downloaded and recompiled.

I have implemented Apache as a reverse proxy and nginx as a forwaring proxy on a windows 2008 R2 machine - and this seems to work fine.
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ElisasAuthor Commented:
Apperentaly the best solution would be to run a linux box - I will attempt this later on.
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Microsoft IIS Web Server

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