Benefits of ISA Enterprise Edition • Supports over 4 CPU and over 2 GB of RAM • Up to 32 nodes with Network load balancing • Unlimited caching arrays with Cache Array Routing Protocol (CARP) • Supports enterprise-wide (array) policies using Active Directory Application Mode (ADAM) • Supports Multiserver monitoring using MS MOM Network Load Balancing (NLB) • Used to distribute load and to provide high availablity • The Network Load Balancing supported with ISA Server 2004 Enterprise is the built-in load balancing in Windows 2003 Server. The difference is that, with ISA Enterprise, the ISA Server recognizes that NLB exists and uses it. • NLB can be used for a variety of Windows Server applications, like Web services, Terminal server, Exchange, or SQL. Active Directory Application Mode (ADAM) • ADAM is a LDAP (lightweight directory access protocol) server that runs in user mode instead of service mode. • ADAM is used to store information, just like Windows AD. • ADAM is not Windows AD • You could think of ADAM as a stand-alone Windows AD that is just used for one type of applications or a group of applications

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