1. CloudScape III
Taking European Cloud Infrastructure Forward
Brussels, Belgium
March 16th, 2011
OpenNebula
A Reference Open Cloud Stack to
Enable Interoperability
Ignacio M. Llorente
DSA-Research.org
Distributed Systems Architecture Research Group
Universidad Complutense de Madrid
Acknowledgments
The research leading to these results has received funding from the European Union's Seventh
Framework Programme ([FP7/2007-2013] ) under grant agreement n° 215605 (RESERVOIR Project)
© OpenNebula Project. Creative Commons Attribution-NonCommercial-ShareAlike License 1/14

2. Contents
OpenNebula – A Reference Open Cloud Stack to Enable Interoperability!
About OpenNebula
● What is OpenNebula?
● What is the Field of Application of OpenNebula?
● What is the OpenNebula Open-Source Project?
● Who Uses OpenNebula?
About Interoperability with OpenNebula
● Why Is Interoperability Important for Us?
● What Is Our Approach for Interoperability?
● What is the Cloud User Perspective?
● Interoperability for Users in OpenNebula?
● What is the Cloud Administrator Perspective?
● Interoperability for Administrators in OpenNebula?
OpenNebula - A Reference Open Cloud Stack to Enable Interoperability 2/14

3. What is OpenNebula?
Open-source Toolkit to Build your IaaS Cloud!
IaaS Cloud Provider
 Simple web interface
 Raw infrastructure resources
 Pay-as-you-go & elastic capacity
Enabling Technology to Build your Cloud
• Private Cloud to simplify and optimize
internal operations
• Hybrid Cloud to supplement the capacity of
the Private Cloud
• Public Cloud to expose your Private to
external users
OpenNebula - A Reference Open Cloud Stack to Enable Interoperability 3/14

4. What is the Field of Application of OpenNebula?
An Enterprise-grade Technology Addressing eGov, Industry and Research Use Cases
Developed to Address Requirements from Real-life Use Cases
Cluster
eGov
Computing
Multi-site Hosting
Cloud
Web Service Telecom
Platforms
An Enterprise-grade Technology
Mature and Scalable Stable and Robust
● Many production deployments ● Thorough testing process
● Massively scalable ● Community testing
Secure and Robust Interoperable
● Secure multi-tenancy ● Platform independent
● Fault tolerance ● Interoperable and customizable
OpenNebula - A Reference Open Cloud Stack to Enable Interoperability 4/14

5. What is the OpenNebula Open-Source Project?
Building the Industry Standard Open Source Cloud Computing Tool
Lead Innovation in Enterprise-Class Cloud Computing Management
● Develop, maintain and assure the quality of OpenNebula
● Collaborate with open-source and research projects and communities
● Support the community and the ecosystem
An Active and Engaged Community
● 4,000 downloads/month
● 100 active contributors
● OSS distribution channels
From a Research Project on Scalable Management of VMs
Research
Project TP1 v1.0 v1.2 v1.4 v2.0 v2.2
2005 2006 2007 2008 2009 2010 2011 2012
European Funding
OpenNebula - A Reference Open Cloud Stack to Enable Interoperability 5/14

6. Who Uses OpenNebula?
Organizations Building Clouds and Innovative Projects!
Organizations Building Clouds for Development, Testing and Production
Projects Building an Open Cloud Ecosystem Around OpenNebula
16,000 VMs!
OpenNebula - A Reference Open Cloud Stack to Enable Interoperability 6/14

7. Who Uses OpenNebula?
Importance of Interoperability in the Projects!
Developing an Open
Stack for IaaS Clouds
Bringing Cloud to Grid
Infrastructures
Developing an Open Building Service Multi-site Testbeds
Stack for PaaS Clouds
OpenNebula - A Reference Open Cloud Stack to Enable Interoperability 7/14

8. Why Is Interoperability Important for Us?
Offering Common Interfaces and Fitting into any Data Center!
OpenNebula - A Reference Open Cloud Stack to Enable Interoperability 8/14

9. What Is Our Approach for Interoperability?
Leveraging Existing Standards and Implementing Interoperation!
Standardization
● Implement standards
● Integrate with standards
Which Standard?
● Different de jure standards
● Several de facto standards
Interoperation
● Implement adaptors
● Use transformers
OpenNebula - A Reference Open Cloud Stack to Enable Interoperability 9/14

10. What is the Cloud User Perspective?
I Want to Move my Workload to Another Cloud without Changes!
Transparent Migration of Services across Clouds
● Infrastructure cost reduction
● High availability and fault tolerance
● User proximity
Service Cloud User
User
1. Management Interfaces
2. VM Image Format
VM
3. Contextualization
VM VM
4. Service Description
OpenNebula - A Reference Open Cloud Stack to Enable Interoperability 10/14

11. Interoperability for Users in OpenNebula?
Implementation of Common APIs and Adaptors for other Projects!
OpenNebula - A Reference Open Cloud Stack to Enable Interoperability 11/14

12. What is the Cloud Administrator Perspective?
I Want to Combine My Private Cloud with a Public Cloud without Changes!
Transparent Combination of Local Resources with Cloud Resources
● Address fluctuating or peak demands
● More cost effective for no critical and HTC workloads
1. Management Interfaces
VM
VM VM VM VM
3. Contextualization
2. VM Image Format
4. Cross-site Networking
OpenNebula - A Reference Open Cloud Stack to Enable Interoperability 12/14

13. Interoperability for Administrators in OpenNebula?
Development of Adaptors!
OpenNebula - A Reference Open Cloud Stack to Enable Interoperability 13/14

14. Questions?
We Will Be Happy to Answer Any Question !
OpenNebula - A Reference Open Cloud Stack to Enable Interoperability 14/14