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XS Japan 2008 Project Status English
1.
Xen Project Overview
and Update Ian Pratt, Chairman of Xen.org, and Chief Scientist, Citrix Systems Inc.
2.
Xen Community Story
• 2002 Oct Xen hypervisor development starts • 2004 Xen 1.0 and 2.0 released, First Xen developer’s summit • 2005 XenSource founded, Xen 3.0 released • 2006 CPU enhancements for virtualization ship; Linux distros ship Xen All x86 OSes “enlightened”: Vmware, Microsoft adopt paravirtualization First XenEnterprise release Amazon EC2 Launches • 2007 XenSource acquired by Citrix • 2008 Xen embedded in Flash on HP/Dell servers First embedded Xen on laptops 2 © 2007 Citrix Systems, Inc. — All rights reserved
3.
Xen Today • ~17%
enterprise server market share (Yankee, Aug 08) • World's largest virtualization deployments are Xen based • Community: over 50 Companies, 20 Universities, from 20 Countries, ~250 developers • More than 10,000 code submissions since Xen 3.0 • x86, IA64, ARM support • In Severs, Laptops, Storage & Network Appliances, PDAs 3 © 2007 Citrix Systems, Inc. — All rights reserved
4.
Xen Powers the
World’s IT Infrastructure Clouds “ Xen is great. It’s powerful and easy to use. But most important is the very active community around it. That was a very big reason for us in selecting Xen. ” Werner Vogels CTO, Amazon.com 4 © 2007 Citrix Systems, Inc. — All rights reserved
5.
Congratulations, and Thank
You! 2008 Winner, Server Virtualization Best of Open Source Software Awards 5 © 2007 Citrix Systems, Inc. — All rights reserved
6.
Xen Project Mission
• Build the industry standard open source hypervisor • Lead the industry in virtualization performance • Ensure continued stability and high quality in the code base • Support multiple CPU types; big and small systems • Foster and sponsor innovation • Drive toward vendor interoperability and compatibility 6 © 2007 Citrix Systems, Inc. — All rights reserved
7.
Xen: An Open
Reference Standard Xen Citrix, Intel, AMD, VA Linux, Fujitsu, IBM, HP, Unisys, SGI, Samsung, Sun, Red Hat, Novell, DoD, NSA (over 50 orgs) 7 © 2007 Citrix Systems, Inc. — All rights reserved
8.
The Xen Project
Advisory Board • Represents major contributors and vendors that offers Xen based products. Current members: • Defines and approves the Xen® Trademark Policy (“What is Xen?”) • Oversees community code practices and roadmap 8 © 2007 Citrix Systems, Inc. — All rights reserved
9.
Virtualization Benefits
Avoid planned downtime X with VM Relocation Dynamically re-balance workload to meet app SLAs or to saver power 9 © 2007 Citrix Systems, Inc. — All rights reserved
10.
Virtualization Benefits
Restart-HA monitors hosts X and VMs to keep apps running Hardware Fault Tolerance with deterministic replay X or checkpointing 10 © 2007 Citrix Systems, Inc. — All rights reserved
11.
Leaders in
OS Enlightenment Xen Hypervisor First and Best to support new Intel VT & AMD-V, (Also Hyper-V compatib mart IO & chipset Technologies 11 © 2007 Citrix Systems, Inc. — All rights reserved
12.
Unlocking Hardware Innovation
Enhanced Security Enhanced Security • TPM and secure boot (TXT) • TPM and secure boot (TXT) • IOMMU to protect device DMA accesses • IOMMU to protect device DMA accesses • Full Execute-Disable (NX/XD) • Full Execute-Disable (NX/XD) Hardware Virtualization Support Hardware Virtualization Support • Nested Page Tables (VT2/VMI) • Nested Page Tables (VT2/VMI) • FlexPriority, FlexMigrate • FlexPriority, FlexMigrate • Smart NICs (e.g. VT-C/VMDq) and HBAs • Smart NICs (e.g. VT-C/VMDq) and HBAs Multi-core Processors Multi-core Processors Only a hypervisor can deliver the • More efficient utilization • More efficient utilization benefits of the new hardware • Hides complexity from guests • Hides complexity from guests 12 © 2007 Citrix Systems, Inc. — All rights reserved
13.
OS Paravirtualization (Enlightenment) •
Extending the OS to be aware it is running in a virtualized environment • For performance and enhanced correctness • IO, memory size, CPU, MMU, time • In Xen <2.0, some paravirtulizations were compulsory to close x86 virtualization holes • Intel VT / AMD-V allow incremental paravirtualization • Paravirtualization is still very important for performance, and works along side enhancements to the hardware • Higher-level paravirtualizations yield greatest benefit 13 © 2007 Citrix Systems, Inc. — All rights reserved
14.
SPECjbb2005 Comparison
RHEL5 guest / SPECjbb2005 Sun JVM 1.2 Relative score to native 1 0.8 0.6 0.4 0.2 0 1-vcpu 2-vcpu 4-vcpu Native ESX 3.0.1 XenEnterprise 3.2 14 14 © 2007 Citrix Systems, Inc. — All rights reserved
15.
w2k3 Terminal Server
Concurrent Session test 15 © 2007 Citrix Systems, Inc. — All rights reserved
16.
Hypervisor Security • “hidden
hypervisor” attack is a myth, but exploitation of an installed hypervisor is a real and dangerous threat • Hypervisors add more software and thus increase the attack surface • Network-facing control stack • VM containment • Xen much smaller and defensible than an OS • Xen’s “strength in depth” approach • Disaggregate, De-privilege, narrow interfaces • Xen Security Modules from the NSA • Measured launch: TPM/TXT/SKINIT 16 © 2007 Citrix Systems, Inc. — All rights reserved
17.
Improving Security with
Hypervisors • Hypervisors allow administrative policy enforcement outside the OS • Firewalls, IDS, malware scanning etc • More robust as not so easily disabled • Provides protection within a network rather than just at borders • Hardening OSes with immutable memory, taint tracking, logging and replay • Backup policy, multi-path IO, HA, FT etc • Availability and Reliability • Xen Introspection API project (extending XenAccess library) 17 © 2007 Citrix Systems, Inc. — All rights reserved
18.
Xen Client :
A Hypervisor for Client Devices • Security, Manageability and Supportability • Building Multi-level secure systems • Run multiple guest VMs with very controlled information flow • Enables Bring-Your-Own-PC model • Corporate VM; VM for web browsing; VM for banking • Migration of VMs between datacentre and laptops for offline use • Seamless merging of VM displays • “Embedded IT” virtual appliances • IDS, Malware detection, remote access, backup etc. • Security requires a true hypervisor architecture 18 © 2007 Citrix Systems, Inc. — All rights reserved
19.
Xen Client Initiative •
12 Vendors Collaborating on architecture and implementation of Xen client hypervisor • Security is a key requirement 19 © 2007 Citrix Systems, Inc. — All rights reserved
20.
From Laptops to
Phones • Smart phones and portable devices • Xen ARM • Smart phones now suffer from many of the same problems as PCs • Simple restricted use cases: • Three VMs running on one CPU: • Real time VM for controlling the radio • VM for vendor/operator -supplied s/w • VM for user-downloaded software 20 © 2007 Citrix Systems, Inc. — All rights reserved
21.
Roadmap Current Projects •
XenClient • Xen Introspection API • Fault Tolerance • “Difference Engine” memory optimizations • Cloud infrastructure services 21 © 2007 Citrix Systems, Inc. — All rights reserved
22.
Closing Remarks •Virtualization is
destined to become ubiquitous • Every machine, Every workload • Built in to the platform • Client devices as well as servers •Xen offers the best performance and the most secure architecture • Xen is powered by a growing community with a diverse range of products and services 22 © 2007 Citrix Systems, Inc. — All rights reserved
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