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10/24/2013
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.
HP NFV Director HP solution for NFV Orchestration and VNF Management
Norman Kincl / August, 2013
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 2
Forward-looking statements
This document contains forward looking statements regarding future operations, product development, product capabilities, and availability dates. This information is subject to substantial uncertainties and is subject to change at any time without prior notification. Statements contained in this document concerning these matters only reflect Hewlett Packard's predictions and / or expectations as of the date of this document and actual results and future plans of Hewlett-Packard may differ significantly as a result of, among other things, changes in product strategy resulting from technological, internal corporate, market and other changes. This is not a commitment to deliver any material, code or functionality and should not be relied upon in making purchasing decisions.
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 3
Agenda
Introducing the HP NFV Director
Inside the HP NFV Director
Example HP NFV Director case study
© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.
Introducing HP NFV Director
… EMS EMS EMS EMS EMS EMS
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 5
HP NFV Director
Automates the complete VNF lifecycle Deploy, monitor, and manage
Optional embedded VNF Manager
Automates the complete network service lifecycle Deploy, monitor, and manage
Control and visibility of distributed virtualized infrastructure Computing and network
Understands multiple technology and administrative domains
Modular Start small and grow
• Optional components expand functionality
Flexibility through independently-licensable components
• No need to re-purchase components you already own
Open and extensible Flexible integration with VIM, OSS, EMS, VNF, and VNFM
• Multiple interfaces to simplify integration with legacy systems
Model-driven NFV Orchestrator with embedded VNF Manager
NFV Orchestrator
Service fulfillment
Policy management
Service monitoring
Resource fulfillment
Resource monitoring
NSD catalog
NS instances
VNFD catalog
VNF instances
NFVI resources
VNF Manager VNF
fulfillment VNF
monitoring
Virtualised Infrastructure Managers
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 6
HP NFV Director features
NFV Orchestrator with embedded VNF Manager Designed to meet the ETSI specification for NFV Orchestrator
VNF can use embedded VNF Manager functionality or externally-supplied VNF Manager
Brings knowledge and toolsets from both the telecom and IT worlds Telco-grade deployment patterns of IT components
Holistic management Fulfillment and assurance
Closed-loop autonomous operation
Fully multi-vendor VNF (including VNF-supplied VNF Manager) Virtual Infrastructure Manager
Infrastructure (including multi-hypervisor support)
Addresses the end-to-end infrastructure
Multi-site (including multiple VIM) deployments
Compute infrastructure (including NW inside the datacenter)
Network infrastructure (outside the datacenter)
Handles all types of virtualization, not just VM
Hybrid legacy deployments (when a service chain may consist of both VNF and physical network functions)
New technologies like Moonshot
Model-driven approach rather than a template-driven approach
A model-driven approach properly understands relationships between components
Aligned with ETSI specification for NFV Orchestrator and generic VNF Manager
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 7
HP NFV Director VNF-focused features
Designed for simplicity of deploying NFV applications No need for NFV application to orchestrate many low-level calls
Offer extended OpenStack services for use by NFV applications • Nova for compute resources
• Extended Neutron for end-to-end network
Telco-grade deployment patterns
Support applications using mixed virtual and physical infrastructure
Designed to support multi-vendor NFV applications Resource allocation across applications
Multi-tenant application support – isolation
Allow policy to throttle resource demands
Prevention of resource toggling caused by the NFV closed-loop activation
Designed for simplicity in operating NFV applications Holistic application management – configuration, monitoring and fulfillment
Provide resource monitoring enabling applications to drive flexible behavior
Integrated monitoring suited for NFV closed-loop flow
Support dynamic application scaling through automation and orchestration
Designed with a flexible VNF Manager model Embedded VNF Manager allows VNF to use default and standardized VNF Manager Will integrate with external VNF Manager when one is supplied by VNF vendor
Supporting the Virtual Network Functions
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 8
Supporting the Virtualised Infrastructure Manager
HP NFV Director VIM-focused features
Designed to support flexibility in the infrastructure Manage resources across multi-site deployments • Supports multiple Virtualised Infrastructure Managers
Support for multivendor VIM Supports both compute and network infrastructure vitrualization Supports virtualization approaches beyond just VM Cross technology resource pool management (VM Pools, IP addresses, VLANs, SDN flows, ports, etc.)
Based on proven HP Telco-grade Service Activator product Integrated inventory and activation management tools Inherent transactionality, error-handling, multi-vendor capabilities Ready with the full power of HP NCC multi-domain solutions for NFV: • Transparent cross-site WAN based networking
• Managed virtualized CPEs including local virtual networking
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 9
HP NFV Director network-focused features
Supports the end-to-end network Manage multi-domain, multi-technology and multi-vendor network infrastructure
Manage SDN, traditional (non-SDN), and hybrid networks
Model-driven approach Models can be extended to address ne domains or technologies
Full tear-down on VNF scale-in or decommissioning
Desired State Engine dynamically determines steps to go from current state to desired state
Uses proven Telco-grade activation engine Transactional capabilities Automated error handling
Fault tolerant configuration
Supporting the network needs of NFV
Radio/Access Network
WAN domain
Data center domain
Servers and Storage
Data center domain
Servers and Storage
App App
App App
Customer site
vCPE
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 10
HP NFV Director directions
Available now with basic functionality, which will increase over time Where ETSI specification not ready, driven by customer requirements
Support evolving ETSI specifications ETSI is still a work in progress and recommendations are not finalized
Will align with ETSI specifications as they evolve • APIs, VNF Descriptor, VNF Forwarding Graphs, etc.
Drive value Global (inter-VNF) policy • VM placement/migration, automatic scaling, etc.
Comprehensive view of virtual infrastructure • Provide the OSS/EMS with an end-to-end view of the virtual infrastructure
Autonomous orchestration • Automatically execute rules when KPI threshold is crossed, allowing things like automatic scale-out and -in
Automatic re-establishment of desired state • Either because of state change, like a component failure, or change in what is desired
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© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.
Inside the HP NFV Director
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 12
Virtualised Infrastructure Manager
VNF Manager
VNF
EMS
Full scope
HP NFV Director component architecture
OSS
Logical environment
Physical infrastructure
Agent-less monitoring
Model-based coordination & control
Catalogs & service models
Network domain plugins
Service & resource inventory
VIM & VNFM plugins
Rules-based autonomous actions
Dynamic topology-based correlation
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 13
Model-based coordination and control
Maintains models of CFS and RFS CFS: Customer-facing service (service offered)
RFS: Resource-facing service (service consumed)
A CFS can act as an RFS
Maintain inventory information Service inventory
Resource inventory
Service-resource mapping
Coordinates actions to fulfill VNF lifecycle requests Determine steps required to move from current state to desired state
Implements policy
• Select appropriate resource pool (including VIM)
• Support inter-VNF policies
Delegates detailed wok to Virtualised Infrastructure Manager
Configures end-to-end network
• Through SDN Controller or directly
Configures monitoring and autonomous action subsystems
Interfaces: Northbound (OSS) • OpenStack (RESTful)
• Web services
• Others developed on demand
VIM adapter • Out-of-the-box
• Others developed on demand
VNF Manager adapter • ETSI-standard (to be specified by ETSI)
• Others developed on demand
Network services (not controlled by VIM) through • SDN controller
• Network Manager
• Netconf/YANG
• Device CLI
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 14
Agent-less monitoring
Monitor Collect data on configured performance indicators • System
• Network
• Virtualization layer
• Application
KPI defined by VNF Descriptor
Alert Generate alerts based on configured threshold crossings
Automatically configured as changes are made to VNF Requires no management agent
Sample monitors (more available):
Server
• CPU, Disk Space, Memory, Syslog, Performance Counter, Event Log, Resources, Services State
Network
• Formula Composite, SNMP, SNMP by MIB, SNMP Trap, DNS, FTP, Port, Ping, Mail, MAPI, Network Bandwidth
Virtualization
• VMware, Solaris Zones, Microsoft Hyper-V , Amazon CloudWatch, KVM, Generic Hypervisor, Citrix
Database
• Database Counter, Database Query, IBM DB2, Oracle Database, Microsoft SQL Server, Sybase Database
Application system
• Apache Server, Broadvision Application Server, Check Point, Cisco Works, ColdFusion Server, COM+ Server, F5 Big-IP, Radius, WebSphere Servers, Oracle Application Server, SunOne Web Server, Tuxedo, UDDI Server, WebLogic Application server, UDDI, HAProxy, Memcached
Generic
• XML Metrics, composite, directory, file, JMX, log file, Script, web service, custom WMI, custom DB, custom (Java)
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 15
Topology-based correlation and rules-based actions
Correlation Engine Collects and correlates events from NFV infrastructure and VNF applications
Event Collector • Collect events for various sources
• ( EMS, VNFM, VIMS, Agent-less monitoring)
Topology DB • Contains topology information of the VNFs managed by NFV Director
Value Packs • Made of a set of scenarios packaged together to implement a specific and coherent correlation use case
Action Engine Based on the root cause deduced by Correlation Engine
Rule based actions/workflows are triggered towards NFV Director or other system
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 16
Agent-less monitoring
Rules-based autonomous actions
Dynamic topology-based correlation
Virtualised Infrastructure Manager
VNF Manager
VNF
EMS
OSS
Logical environment
Physical infrastructure
Model-based coordination & control
Activation flow of control
1. Request for lifecycle change
Could come from OSS, EMS, external VNF Manager, or autonomous action
2. NFV Director applies policies
3. NFV Director requests VIM to perform action
Request could involve multiple VIMs
For networks not managed by VIM, NFV Director could make changes through an SDN controller or directly to the NW devices
4. VIM manages changes in the infrastructure
5. NFV Director configures monitoring, correlation, and autonomous actions based on policy
Simplified and generalized view
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 17
Agent-less monitoring
Rules-based autonomous actions
Dynamic topology-based correlation
Virtualised Infrastructure Manager
VNF Manager
VNF
EMS
OSS
Logical environment
Physical infrastructure
Model-based coordination & control
Monitoring and autonomous action flow of control
1. HP NFV Director continuously monitors defined KPIs
KPIs can include physical and logical infrastructures, network, application components, etc.
Monitoring is based on KPIs defined for that VNF instance, configured as part of VNF activation
2. HP NFV Director applies threshold on collected metrics, generating events when thresholds are crossed
3. HP NFV Director maps infrastructure events to VNF-specific virtual infrastructure events
Events from other sources can be included in the correlation
4. HP NFV Director executes autonomous actions based on rules defined for the event
Rules can be based on specific sequence of events or other conditions
Actions can be directed at NFV Director or external systems
5. HP NFV Director provides events to interested parties
This could be OSS, EMS, VNF Manager, or other entities
6. EMS directly monitors application faults
Provides information to OSS or NFV Manager
If this needs to be visible to the NFV Director, it can be fed directly into correlation engine
Simplified and generalized view
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 18
Agent-less monitoring
Model-based coordination & control
Catalogs & service models
Network domain plugins
Service & resource inventory
VIM & VNFM plugins
Virtualised Infrastructure Manager
VNF Manager
VNF
EMS
Full scope
HP NFV Director core product mapping
OSS
Logical environment
Physical infrastructure
SiteScope
HP Network Cloud Controller
(HP Service Activator)
Rules-based autonomous actions
Dynamic topology-based correlation
UCA Automation
UCA Topology
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 19
HP Network Cloud Controller (NCC)
Coordinates NFV orchestrator functionality Orchestrates VNF requests
• Interprets VNF Descriptor
• Coordinates multiple compute and network infrastructures
Supports emerging ETSI NFVO interfaces
• OpenStack Nova, Quantum, and Keystone
Maintains NFVO data model
Optional end-to-end network activation Span technology domains of data centers, WAN, and customer/tenant networks
• Supports legacy and SDN
Elastic, end-to-end, logical network services
Full automation enables zero-touch provisioning with cloud flexibility and dynamics
Built on proven HP Service Activator technology Supports telco scale, fault tolerance, and multi-tenancy
Provision (and tear down) reliably and consistently every time
Technology and vendor agnostic
Built on an industry-leading activation platform
Network Cloud Controller
HP Service Activator
SDN controllers
Routers
On-premises DC
switches
Virtual switches
Virtual connects
Matrix OE
Wireless
Network Service
Inventory
Network Resource Inventory
Desired State
Engine
Resource Mgmt.
(IPAM, …)
Request Query Updates
DC Network Service Plug-in
Site Network Service Plug-in
NFV Plug-in
WAN VPN Service Plug-in
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 20
Core platform supporting HP NFV Orchestration
HP Service Activator at a glance
• 6th generation product uniquely designed to manage order decomposition, network element inventory and high-performance activation within a single, open platform
• Primary Alliances & Partnerships
– Major NEPs – ConceptWave for Order Mgt – Telcordia or TierOne for Inventory
• HP ranked – #2 in Activation by Analysis Mason for 4th
consecutive year – #1 in Activation by Gartner
• Cornerstone component of HP’s NGOSS Fulfillment strategy
• Pre-packaged, pre-integrated solutions – VPN/MPLS – Layer 2/3 VPN – Number Portability – DSP
– Mobile Subscriber Activation • Deployment versatility
– Triple Play – Mobile – VoIP/ToIP – LTE – Number Portability
– Diagnosis and Resolution – SaaS – Inventory – Mission Control – DSL – RTC
Target Market
• Communications service providers deploying • Mobile voice and data services • Fixed wireless services • Rich media and content services • Carrier cloud services • Network Function Virtualization
• Utilities
Key Customers
Telefonica /VIVO, Spain & LAR
AT&T, USA
Movilnet, Venezuela
Embratel, Brazil
Softbank, KDDI & NTT, Japan
Vodafone, Portugal & Spain
TIM, Italy & Brazil
America Movil, LAR
DU/Nokia, UAE
Wind, Italy
EMEA 57%
APJ 22%
AMS 21%
2002 2004 2007 2011
Market Data
Product and Solutions
Installations Geography
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 21
HP SiteScope
Monitoring Continuously collects Virtualization, System, Network, and Application Data
Without requiring agent software
Alerting Based on configured thresholds, sends alerts to notify system/application administrators of failures
Reporting Real and over time detailed analysis of system/application performance over time
Baselining Adjust thresholds based on “Normal” behavior and Alert Abnormal behavior
HP SiteScope
Servers
Virtual machines
Applications
Databases
Network devices
A lightweight agentless infrastructure monitoring solution
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 22
State of the art correlation platform with multiple correlation technologies
Unified Correlation Analyzer (UCA)
Mediation Layer To interface with data sources and interoperate between the different correlation technologies
Event stream - Filtering with Complex Event Processing (CEP) De-duplication, toggling, transient, tap, statistics…
Rule Based Correlation Matches patterns of events to rules Event Grouping
Topology Based Correlation Propagates states of elements within a topology model
Model designer, Scenario Manager, System Manager GUIs Topology model built from re-usable templates (Value Packs)
Automation (workflow engine) Workflow modeling environment
Rule integration (process decisions, dynamic decisions)
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 23
HP NFV Director APIs
Will align with ETSI as specifications evolve Fulfillment API Multiple APIs available • Enhanced OpenStack, web services, others as needed
Assurance API for use by OSS and NFV SNMP; others as needed
Southbound interaction with VIM Flexible interface options • HP CloudSystem
• OpenStack
• Others as needed
Optional end-to-end network activation • WAN, Campus LAN, and DC networks
NFV Management and Orchestration
VNF
E/NMS
NFVI
OSS/BSS Orchestrator
Virtualised Infrastructure
Manager(s)
VNF Manager(s)
Nfvo-Vi
Nfvo-Vnfm
Vnfm-Vi
Os-Nfvo
Nf-Vi
NFV Service Catalog
VNF Catalog
NFV Instances
NFVI Resources
VeEn-Vnfm
VeNf-Vnfm
Vn-Nf
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 24
NFV Director added value
Handles full virtualization abstraction Fulfillment and assurance
Designed for simplicity of VNF No need for VNF to orchestrate many low-level calls
NFV-specific multi-tenancy model Flavors and location policies suited for NFV
Integrated monitoring suited for NFV closed-loop flow
Supports coordination across different VNF Cross technology resource pool management (VM Pools, IP addresses, VLANs, SDN flows, ports, etc)
Throttling of resource demands Prevention of resource toggling caused by the NFV closed-loop activation
Extensible
Multi-technology ready
Based on proven Telco-grade HP Service Activator product
• Model-based activation
• Integrated inventory and activation management tools
• Transactionality, error-handling, multi-vendor ready, etc.
Comprehensive networking support
• OpenStack Neutron (Quantum) abstractions
• Traditional and SDN
• Multi-domain (LAN and WAN)
Can support multiple virtualization approaches • Multiple hypervisor vendors
• Other technologies: hardware segmentation, compartmentalized OS, sliceable appliances, …
Not just another OpenStack API
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© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.
Example HP NFV Director case study
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 26
VNF Graph example
HP Contribution on IMS MRF being approved for MANO GS
IMS MRF is a VNF Graph
Containing 2 VNFs: MRB and MRF
MRB is a single component VNF
MRF has 2 components
MRF C+P have been grouped together as they are deployed on same VM
The 2 components have different redundancy models
MRB
IMS MRF
MRF-C+P
MRF Storage
MRF
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 27
VNF Descriptor example
Deployment requirements Active/Standby redundancy model
VM number: 2 instances
vCPU and vRAM needed
Availability rule to force to deploy the 2 instances on 2 VMs located on different physical hardware resources.
Highly Available IP network
Operational requirements Support of typical lifecycle operations: provision, scale up/out, start, stop and delete
Relationships: 2 external relationships: Relation MRB – MRF-C
Relation MRB – S-CSCF. An S-CSCF should be present in the overall solution, but it is not part of the MRB VNF and it might not even by a virtualized component.
Using MRB
MRB
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 28
IMS MRF use case
HP Contribution on IMS MRF being approved for MANO GS
Show the 3 main steps of the provisioning of an IMS MRF instance:
1. Initial validation of request and instantiation data, apply affinity/ anti-affinity rules
2. Create needed VMs
3. Provide initial VNFC configuration
ETSI contribution
Logical Environment
Provision IMS MRF
HP NFV Director
CMS MRF-C + MRF-P
Create servers for each VM needed
MRF Storage
Provide initial configuration for each deployed artifact
MRB
Instlation data
Validate input data
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 29
Logical environment
Physical network Physical compute & storage
HP NFV Director – Functional Overview
1. Operator or App EMS requests provisioning request for application instance using one of the predefined templates
2. HP NFV Director iterates through the template and issues create server requests
3. For each request, HP NFV Director instantiates resource and loads app instance
4. HP NFV Director continuously monitors physical & virtual resource performance of the virtual infrastructure HP NFV Director maintains the mapping between physical resources, virtual resources and application instances and maps NFVI KPIs to application instances HP NFV Director must be aware of application HA model to deploy app instances correctly and avoid single point of failure
5. Resource KPIs reported back to App/ App EMS. Application KPIs monitored by App/ App EMS
6. Closed-loop to fulfillment (manual or automated) - App-specific resource and/or application KPI thresholds triggers adjustment requests (scale up/down, out/in of resources)
Fulfillment – template based
App n App 1
OSS
HP NFV Director
Infrastructure Fulfillment
6
3 4
1 5
Infrastructure Assurance
2
Template
…
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 30
Logical environment
Physical network Physical compute & storage
HP NFV Director – Functional Overview
1. HP NFV Director continuously monitors physical & virtual resource for errors
2. HP NFV Director maps resource faults to VNFC instance and reports back to app EMS
3. Application faults monitored by app EMS
4. App EMS provides consolidated fault management data for application (covering both HW & SW) to OSS App EMS/VNF Manager remains 100% responsible for application performance and availability, assuming HP NFV Director delivers according to SLA
5. HP NFV Director might provide direct fault management reporting to OSS
Assurance – servers & storage
App n App 1
OSS
HP NFV Director
Infrastructure Fulfillment
1
Infrastructure Assurance
…
EMS App n
EMS App 1
2 3
5
4
…
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 31
Logical environment
Physical network Physical compute & storage
HP NFV Director – Functional Overview
1. HP NFV Director continuously monitors networking systems
2. HP NFV Director maps networking fault to corresponding link, either internal to VNF or part of VNF Graph
3. HP NFV Director provides direct fault management reporting to OSS and might provide fault management reporting to App EMS
Assurance – networking equipment
App n App 1
OSS
HP NFV Director
Infrastructure Fulfillment
1
Infrastructure Assurance
…
EMS App n
EMS App 1
3
… 2
3
© Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.
Summary
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 33
Telco grade NFV orchestrator
Summary
Telco grade NFV Orchestrator and embedded VNF Manager
Handles full virtualization abstraction end to end
Fulfillment and assurance
Modular and Extensible
Start small and grow
Supports coordination across different VNFs and multiple VIM
Open APIs
Designed for simplicity of VNF
Multi-vendor, multi-technology and multi-hypervisor ready
© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. 34
Why HP
Manageable NFV
deployment
OSS transformation
NFV Orchestration
Cloud management
HP is a leader in both OSS and IT management Leading OSS solutions covering both fulfillment and assurance using TMF Frameworx
Leading IT management solutions covering full ITIL processes
Experience integrating OSS and ITSM, bringing together eTOM and ITIL
HP is committed to open, multi-vendor solutions HP OSS and ITSM have proven multi-vendor approaches
HP solution is modular, allowing you to start small and grow as you need
HP can provide a complete NFV management solution NFV management and orchestration
IT and cloud management tools and processes integrated into OSS
Analysis of existing OSS and recommendations on transformation to NFV-capable OSS
Your partner of choice to help you build your virtualization agenda
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© Copyright 2012 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.
Thank you