z/VM: Virtual Machine
z/VM is the brain behind the software side of mainframe virtualization technology. z/VM 5.3 was announced on February 6, 2007 for a general availability on June 29, 2007.
A few business tips
z/VM supports test and development servers running side by side on the same hardware. This can help to improve resource utilization and offer significant operational benefits as well. You may be able to deploy new servers in minutes, expediting your response to market fluctuations. z/VM may even help reduce the need for server and storage hardware, software licensing, floor space and utilities which all can help contribute to lower TCO. For example, z/VM V5.3 guest support for System z Application Assist Processors (zAAPs) and System z9 Integrated Information Processors (zIIPs) can help use available zAAP and zIIP capacity not being used by z/OS LPARs to be allocated to a z/VM LPAR hosting z/OS guests running Java and DB2 workloads.
You can help improve security by utilizing HiperSockets for fast inter-server communication. Utilizing HiperSockets, the communication takes place within the IBM mainframe server eliminating some of the vulnerabilities that can be introduced by an external network. z/VM V5.3 also provides a LDAP server and associated client utilities to provide new user authentication, authorization, and auditing capabilities. And z/VM may enhance business continuity and disaster recovery by providing support for the latest copy options of the
IBM System Storage to help ensure that the data and programming vital to the virtual server is available in the event of a disaster.
z/VM is ready to help improve your business results by providing a programming and command environment you can use to build automation routines to handle system maintenance, start/restart of servers and other operational and maintenance tasks.
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