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|System Administration Guide: Oracle Solaris Zones, Oracle Solaris 10 Containers, and Resource Management Oracle Solaris 11 Express 11/10|
This chapter provides a brief overview of virtualization using the Oracle Solaris operating system.
The goal of virtualization is to move from managing individual datacenter components to managing pools of resources. Successful server virtualization can lead to improved server utilization and more efficient use of server assets. Server virtualization is also important for successful server consolidation projects that maintain the isolation of separate systems.
Virtualization is driven by the need to consolidate multiple hosts and services on a single machine. Virtualization reduces costs through the sharing of hardware, infrastructure, and administration. Benefits include the following:
Increased hardware utilization
Greater flexibility in resource allocation
Reduced power requirements
Fewer management costs
Lower cost of ownership
Administrative and resource boundaries between applications on a system
Virtualization products offered by Oracle include the following:
Oracle VM Server for SPARC (formerly Logical Domains), the SPARC hypervisor virtualization solution for running multiple operating system instances on a single machine simultaneously. Operating system-level virtualization features, such as zones or resource management, can be used in LDoms.
Oracle Solaris Zones , which provide isolated execution environments within an Oracle Solaris operating system instance. This guide covers zones that run on the Oracle Solaris 11 Express release:
Default ipkg branded zones
Oracle Solaris 10 Zones (solaris10 branded zones, described in Part III, Oracle Solaris 10 Zones
Resource management features, which enable you to control how applications use available system resources.
Oracle VM VirtualBox (formerly Sun VirtualBox), which allows you to run unmodified 32-bit and 64-bit operating systems as virtual machines on Intel and AMD processors, directly on your existing operating system.
Network virtualization features used in virtualization technologies.
For an index of Oracle's virtualization products, with links to additional documentation and information, see Oracle Virtualization Technologies.