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- <title>Xen 4.2 Releases</title>
+ <title>Xen Cloud Platform 1.6 Releases</title>
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- <h1>Xen 4.2 Releases</i></h1>
-
- <p><b>Cambridge, UK 8/9/2012</b> - <a href="http://xen.org/">Xen.org</a>, home of the open source Xen hypervisor,
- today announced the availability of Xen 4.2, the most advanced open source hypervisor software available. The
- release is the collective effort of a global development team representing many leading technology vendors,
- universities, and virtualization experts. This release is the culmination of 18 months of work, 2900 commits
- and almost 300K lines of code of development effort, by 124 individuals from 43 organizations.</p>
-
- <p>The Xen 4.2 release incorporates many new features and improvements to existing features. There are improvements
- across the board including to Security, Scalability, Performance and Documentation.<ul>
-
- <li><strong>XL is now the default toolstack</strong>: Significant effort has gone in to the XL
- tool toolstack in this release and it is now feature complete and robust enough that we have made
- it the default. This toolstack can now replace xend in the majority of deployments,
- see <a href="http://wiki.xen.org/wiki/XL_vs_Xend_Feature_Comparison">XL vs Xend Feature Comparison</a>.
- As well as improving XL the underlying libxl library has been significantly improved and supports
- the majority of the most common toolstack features. In addition the API has been declared stable
- which should make it even easier for external toolstack such as <a hfref="http://libvirt.org/">libvirt</a>
- and <a href="http://www.xen.org/products/cloudxen.html">XCP's</a> xapi to make full use of this functionality
- in the future.</li>
-
- <li><strong>Large Systems</strong>: Following on from the improvements made in 4.1 Xen now supports even
- larger systems, with up to 4095 host CPUs and up to 512 guest CPUs. In addition toolstack feature like the
- ability to automatically create a CPUPOOL per NUMA node and more intelligent placement of guest VCPUs on
- NUMA nodes have further improved the Xen experience on large systems. Other new features, such as multiple
- PCI segment support have also made a positive impact on such systems.</li>
-
- <li><strong>Improved security</strong>: The XSM/Flask subsystem has seen several enhancements, including
- improved support for disaggregated systems and a rewritten example policy which is clearer and simpler to
- modify to suit local requirements.</li>
-
- <li><strong>Documentation</strong>: The Xen documentation has been much improved, both the
- <a href="http://xenbits.xen.org/docs/4.2-testing/">in-tree documentation</a> and the
- <a href="http://wiki.xen.org/wiki/Category:Xen_4.2">Xen 4.2 Wiki Documentations</a>.
- This is in no small part down to the success of the <a href="http://wiki.xen.org/wiki/Xen_Document_Days">Xen Document Days</a> so
- thanks to all who have taken part.</li>
+ <h1>Xen Cloud Platform 1.6 Releases</i></h1>
+
+ <p><b>Cambridge, UK 11/27/2012</b> - <a href="http://xen.org/">Xen.org</a>, home of the open source Xen hypervisor,
+ today announced the availability of Xen Cloud Platform 1.6 (or short XCP), an industry-leading virtualization platform
+ for companies to create and manage virtual infrastructures for servers, desktops and clouds. XCP 1.6 strengthens its
+ server virtualization feature set for datacenter consolidation and simplifies the path to cloud computing with advanced
+ virtual machine migration, enhanced networking and security.</p>
+
+ <p>XCP is a complete open source server virtualization platform built on the powerful open-source Xen® hypervisor,
+ which is widely acknowledged as the fastest and most secure virtualization software in the industry and is designed
+ for efficient management of Linux® and Windows® virtual servers, delivering cost-effective server consolidation and
+ business continuity. XCP adds a rich set of management and automation capabilities, cloud management integrations and security
+ enhancements to optimize the platform for cloud use-cases. </p>
- </ul></p>
+ <p>New features in the latest version of XCP include:</p>
+ <ul>
+ <li><b>Storage Migration:</b> XCP now features an all new Storage XenMotion® technology that lets users
+ freely move running virtual machines without the need for shared storage. With the new Storage XenMotion feature, live migration
+ occurs using a “shared nothing” architecture where the storage used for the virtual disks can be moved freely within and across
+ pools for optimized storage utilization, simplified backup and serviceability.</li>
+ <li><b>Live VDI Migration:</b> XCP now allows users to relocate a VM's Virtual Disk Image (VDI) without shutting down the VM.
+ This enables users to move VM's from cheap, local storage to fast, resilient, array-backed storage; to move VM's from a development
+ to a production environment; to move between tiers of storage when a VM is limited by storage capacity; and to perform storage array
+ upgrades.</li>
+ <li><b>Networking Enhancements</b>:</li> XCP contains a number of networking enhancements, sich as support for
+ Link Aggregation Control Protocol (LACP); improvements to Source Load Balancing (SLB); improvements to Multi-Tenancy support;
+ VLAN Scalability improvements; support for Emergency Network Reset and IPv6 Guest support</li>
+
+ </ul>
+ <p>For other improvements to XCP, please consult the <a href="/download/xcp/releasenotes_1.6.0.html">XCP 1.6 Release Notes</a>.</p>
- <h3>Related Projects</h3>
- <p>The Xen project continues to work closely with its upstream projects. Of particular note in the Xen 4.2 release cycle is the
- upstreaming of the HVM device model support into <a href="http://qemo.org">qemu</a>. After the Linux dom0 support
- (merged upstream in <a href="http://blog.xen.org/index.php/2011/06/02/xen-celebrates-full-dom0-and-domu-support-in-linux-3-0/">Linux 3.0</a>)
- the qemu-derived device model was the largest remaining piece of code which required upstreaming. Support for Xen was merged into
- upstream prior to the qemu 0.15 release and is supported as an option using the XL toolstack. It will become the default in 4.3.
- Alongside this support we have also gained support for <a href="http://www.seabios.org">SeaBIOS</a> and
- <a href="http://sourceforge.net/apps/mediawiki/tianocore">Tianocore</a>/OVMF (a UEFI BIOS).</p>
-
- <h3>Acknowledgements</h3>
- <p>Contributions to Xen 4.2 made to this release by 124 individuals from 43 organizations, not counting contributions
- to external projects such as the BSDs, Linux or qemu. </p>
-
- <pp>The diagram below shows organisations which contributed more than 1% in lines of code to the Xen 4.2 release.
- Several items in the diagram discribe groups of people or organisations: <em>Individual</em> covers contributions
- by individuals whose affiliation is unknown, <em>Misc</em> covers contributions by commercial organisations which
- did not go above 1% individually and <em>University</em> covers contributions by Universities which did not go above
- 1% individually.</p>
- <img src="/images/xen/Xen_4_2_Contribution_Stats.png">
-
- <p>For a complete breakdown of community contributions, see <a href="http://wiki.xen.org/wiki/Xen_4.2_Acknowledgments">Xen 4.2 Acknowledgements</a>.</p>
-
<h3>Further Information:</h3>
<ul>
- <li><a href="/download/index_4.2.0.html">Xen 4.2 Download</a></li>
- <li><a href="http://wiki.xen.org/wiki/Xen_4.2_Release_Notes">Xen 4.2 Release Notes</a></li>
- <li><a href="http://wiki.xen.org/wiki/Xen_4.2_Feature_List">Xen 4.2 Feature List</a></li>
- <li><a href="http://wiki.xen.org/wiki/Xen_4.2_Man_Pages">Xen 4.2 Manual Pages</a></li>
- <li><a href="http://wiki.xen.org/wiki/Category:Xen_4.2">Xen 4.2 Documentations</a></li>
- <li><a href="http://wiki.xen.org/wiki/Xen_Release_Features">Xen 4.x Feature Matrix</a></li>
- <li><a href="http://wiki.xen.org/wiki/Xen_4.x_Manuals">Xen 4.x Manuals</a></li>
+ <li><a href="/download/xcp/index_1.6.0.html">XCP 1.6 Download</a></li>
+ <li><a href="/download/xcp/releasenotes_1.6.0.html">XCP 1.6 Release Notes</a></li>
+ <li><a href="http://wiki.xen.org/wiki/XCP_1.6_Manuals">XCP 1.6 Manuals</a></li>
+ <li><a href="http://wiki.xen.org/wiki/XCP_Overview">XCP Overview</a></li>
+ <li><a href="http://wiki.xen.org/wiki/XCP_Release_Features">XCP Features</a></li>
<li><a href="http://blog.xen.org/" target="_blank">Xen Community Blog</a></li>
<li><a href="http://wiki.xen.org">Xen Wiki and Documentation</a></li>
<li>twitter: <a href="https://twitter.com/xen_com_mgr">@xen_com_mgr</a>, #xen</li>
For more information, visit www.xen.org.</p>
<h3>Forward-Looking Statements Disclosure</h3>
- <p>Citrix Systems, Inc. is a contributor to and hosts Xen.org. This release contains forward-looking statements which are made pursuant to the safe harbor provisions of Section 27A of the Securities Act of 1933 and of Section 21E of the Securities Exchange Act of 1934. The forward-looking statements in this release, including without limitation statements made by representatives of contributors to Xen.org, do not constitute guarantees of future performance. Investors in contributors to Xen.org are cautioned that statements in this press release, which are not strictly historical statements, involve risks that could cause actual results to differ materially, including risks associated with the impact of the global economy and uncertainty in the IT spending environment, the demand for cloud services, the uncertainty inherent in developing cutting-edge technology, the failure to coordinate and manage contributions to Xen.org, competition from alternative cloud infrastructure providers, the voluntary nature of contributions to Xen.org, the level of resources made available to Xen.org by contributors to Xen.org as well as other risks detailed in any public statements or filings by Xen.org or any contributor to Xen.org. Neither Xen.org nor any contributor to Xen.org assumes any obligation to update any forward-looking information contained in this press release or with respect to the announcements described herein.</p>
+ <p>Citrix Systems, Inc. is a contributor to and hosts Xen.org. This release contains forward-looking
+ statements which are made pursuant to the safe harbor provisions of Section 27A of the Securities Act
+ of 1933 and of Section 21E of the Securities Exchange Act of 1934. The forward-looking statements
+ in this release, including without limitation statements made by representatives of contributors to
+ Xen.org, do not constitute guarantees of future performance. Investors in contributors to Xen.org are
+ cautioned that statements in this press release, which are not strictly historical statements, involve
+ risks that could cause actual results to differ materially, including risks associated with the impact
+ of the global economy and uncertainty in the IT spending environment, the demand for cloud services, the
+ uncertainty inherent in developing cutting-edge technology, the failure to coordinate and manage
+ contributions to Xen.org, competition from alternative cloud infrastructure providers, the voluntary
+ nature of contributions to Xen.org, the level of resources made available to Xen.org by contributors to
+ Xen.org as well as other risks detailed in any public statements or filings by Xen.org or any contributor
+ to Xen.org. Neither Xen.org nor any contributor to Xen.org assumes any obligation to update any forward-looking
+ information contained in this press release or with respect to the announcements described herein.</p>
______<br>
- <p>Xen® is a trademark of Citrix Systems, Inc. managed on behalf of Xen.org, and may be registered in the U.S. Patent and Trademark Office and in other countries. Citrix® is a trademark of Citrix Systems, Inc. and/or one or more of its subsidiaries, and may be registered in the U.S. Patent and Trademark Office and in other countries. All other trademarks and registered trademarks are property of their respective owners.</p>
+ <p>Xen® is a trademark of Citrix Systems, Inc. managed on behalf of Xen.org, and may be registered in the
+ U.S. Patent and Trademark Office and in other countries. Citrix® is a trademark of Citrix Systems, Inc. and/or
+ one or more of its subsidiaries, and may be registered in the U.S. Patent and Trademark Office and in other countries.
+ All other trademarks and registered trademarks are property of their respective owners.</p>
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