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As for the choice of nginx, nginx as it has much better performance characteristics in the application of an HTTP reverse proxy, which is necessitated by our migration towards REST APIs which serve up scientific data for many experiments.
Configuration
Hosts
sca-www: Domain name tied to a floating IP 134.79.129.86; this is a floating IP address.
sca-nginx01: Primary server, this host is a virtual machine
sca-nginx02: Failover server, this host is a virtual machine
scalnx12-vmm: Hypervisor for the sca-nginx01 virtual machine.
scalnx13-vmm: Hypervisor for the sca-nginx02 virtual machine.
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Currently, our IIS servers serve up pages for several domains, including, most importantly:
glast-ground.slac.stanford.edu
It also serves up pages for a few historical domains:
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