Best Practices
ISA Server 2006 is a remarkably adaptable, scalable system
that provides for a variety of deployment scenarios for organizations
of many sizes. The Standard version of ISA Server
2006, for example, can be deployed as an edge firewall,
reverse-proxy server, content-caching box, VPN server, or a
combination of these roles. These capabilities satisfy the
needs of many small to mid-sized organizations, but for
those mid-sized to large organizations wanting to take
advantage of those same features, Microsoft offers the
Enterprise version of the software.
The Enterprise version of ISA Server 2006 enables organizations
to scale their ISA implementations outward, providing
for redundancy through Network Load Balancing (NLB) and
making it possible to create standardized security configurations.
With the Enterprise Edition, all the capabilities of the
Standard Edition are extended and made more manageable,
enabling ISA to scale to deployments of multiple sizes.
This chapter focuses on deployment scenarios involving the
Enterprise version of ISA Server 2006. Differences between
the Standard and Enterprise versions are discussed, and
best-practice design considerations for the Enterprise
version are outlined.
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