Mac OS X Server 10.2 10 CAL is a UNIX-based operating system designed for superior performance and reliability. This robust foundation provides everything you would expect of a UNIX-based operating system like preemptive multitasking, symmetric multiprocessing, as well as support for networking and security standards like IPv6, IPSec, SSL and SSH2. Mac OS X Server features a server-optimized implementation of Java 2, and the latest in web services and security standards. As well as, advanced remote management tools that allows you to securely manage and monitor your services from anywhere on your network, or over the Internet. Mac OS X Server now includes Apple's Open Directory architecture for centralized management of network resources using LDAPv3 directory services. In addition, a suite of built-in, standards-based Internet services like an optimized Apache web server for high-performance hosting of secure dynamic web sites, and QuickTime Streaming Server and QuickTime Broadcaster for streaming live events. Part Number M8719Z/A.