This document provides an overview and summary of OpenNebula, an open-source solution for data center virtualization. It discusses OpenNebula from the perspectives of cloud consumers, providers and integrators. Key features highlighted include multi-tenancy, interoperability, flexibility, proven infrastructure agnostic capabilities. Examples are given of companies and research institutions using OpenNebula for hosting, cloud products, industry applications, and scientific research.

1. LinuxTag
April 23rd 2012, Berlin
OpenNebula
The Open Source Solution for Data Center Virtualization
Hector Sanjuan
OpenNebula.org
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2. What is OpenNebula?
 Multi-tenancy, Elasticity and Automatic Provision
on Virtualized Environments
Public
Fully Interoperable
Open-source
Flexible Adaptable
Private
Proven
Infrastructure Agnostic Hybrid
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3. Different perspectives on the Cloud: Aims and needs
Cloud Consumer
Cloud Provider
Cloud Integrator
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4. User perspective
Remote Connection
• SSH
Network Management
• VNC
• Remote desktop
• Network catalog
• Public & elastic IPs
• Private isolated networks
Usage Data
• Accounting info
• Monitoring info
Storage Management VM Management
• Image catalog management • VM template catalog
• Prepared on-site & uploaded • Life-cycle control
• Pre-defined appliances • Contextualization
• OS and Data types (persistent)
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5. User perspective – infraestructure management
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6. Cloud Provider perspective Internet
VM Networks
• Public and private networks
• Open vSwitch, 802.1q, Ebtables
• Lease management
Hosts
Front-end
• KVM, XEN, VMware, EC2, Hyper-
• Authentication: x509, LDAP, V, OpenVZ, VirtualBox...
SSH, Basic • Automatic failover and HA
• Authorization: ACLs, roles, • Resource pools
groups, resource quotas... • Automatic resource allocation
• Accounting • Ganglia, Nagios... monitoring
• Logging
Datastores
• VM image storage • DFS: NFS, GlusterFS...
• Multiple datastores • SAN, iSCSI, LVM...
• Heterogeneous configurations • SSH, Bittorrent...
• Shared or non-shared •
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7. Operating the Cloud Infraestructure
 Web UI
OpenNebula Sunstone
 Command Line Interface
 APIs
 Ruby, Java, Python (ecosystem)
 XML-RPC
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8. Cloud provider perspective – Managing multiple ONEs
oZones Server Federation of Clouds
• Multi-tier architecture
• Web Portal / CLI • Scalability
• Resource overview • Isolation
• VDC management • Multiple-site support
Cloud
Consumer
ZONE 1 ZONE 2
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9. Cloud provider perspective – Virtual Data Centers
Virtual Private Cloud Computing
● Typical scenario in large
organizations and cloud providers
● On-demand provision of fully-
configurable and isolated VDC with
full control and capacity to
administer its users and resources
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10. The Cloud Integrator perspective
 Modular design. All parts well documented.
 Custom applications: SelfService, Sustone plugins
 Custom network, storage, VM, auth, information...
drivers
 etc... CLI GUI Cloud Servers
Scheduler
OCA (Ruby, Java)
XML-RPC API
OpenNebula core
Monitoring Storage Network
DB
Virtualization Images Auth
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11. Some more keys about OpenNebula
 Fully open-source: Apache License
 Comprehensive, extensive and fully updated
documentation resources, including Screencasts and
tutorials.
 Rich ecosystem
Standards Adapters
CDMI OVF CIMI
Virtualization Drivers Configuration Storage
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12. Some more keys about OpenNebula
 Stable solution: more than 4 years old
 Fast growth: 3500+ downloads/month
 +1000 public cloud registered users
 Active community and support lists
 Commercial support via
 Fast release cycle every 3 months
 Current stable release: 3.4.1
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13.  Who is using OpenNebula and what for
 Hosting, cloud products
Enabling Hosting Companies and Telcos to Offer Cloud Services
Enabling Technology Companies to Offer Cloud Products
Enabling Service Companies to Offer Cloud Consulting and Integration
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14.  Who is using OpenNebula and what for
 Industry, scientific research
Industry
Supercomputing Centers
Research Centers
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15. Who is using OpenNebula and what for
 Research projects
Distributed Computing Infrastructures
Research Projects
16,000 VMs!
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16. Some more keys about OpenNebula
 What's coming in OpenNebula 3.6?
 OpenNebula market place with ready-to-use
appliances provided by the community
 Improved accounting, monitoring and quota
systems
 Hotplugging and dynamic CPU and Memory
assignment
 UIs improvements (VNC, translations, usage plots
etc...)
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17. Thank you!
Visit us at OpenNebula.org
Follow us @opennebula
Questions?
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