Ignacio M. Llorente

Last Friday, the OpenNebula project announced the implementation of the OGF OCCI draft specification.  The release, that will be part of OpenNebula 1.4,  includes a server implementation, clients command for using the service and enabling access to the full functionality of the ... (more)

Climate change is one of the biggest challenges of the 21st century. What can we in the information and communication technologies area do to help? Find out in GridTalk’s latest GridBriefing, which was just released. See also article in ISGTW. ... (more)

This is the first post I am writing to illustrate the main novelties of the new version of the OpenNebula Virtual Infrastructure Manager. OpenNebula is an open-source toolkit for building Public, Private and Hybrid Cloud infrastructures based on Xen, KVM and VMware virtualization... (more)

The OpenNebula team has just announced the availability of OpenNebula 1.4 Beta Hourglass (1.3.80).This is the first preview of next stable release of the OpenNebula Virtual Infrastructure Manager. The new OpenNebula version incorporates bleeding edge technologies and innovations... (more)

The integration of two clans of computation, ‘grid’ and ‘cloud’ computing, is moving closer through collaboration between the projects Enabling Grids for E-sciencE (EGEE) and  Resources and Services Virtualisation without Barriers (RESERVOIR). The two teams will work together to... (more)

OGF has released the June, 2009 issue of GridConnections with a summary of the OGF25 Workshop on GreenIT chaired by Ian Osborne, OGF Vice President of Enterprise. One of the aims of the workshop was to develop a reference model for the management of energy efficiency in virtualiz... (more)

In my post "Interfaces for Private and Public Cloud Computing", I briefly described the main differences between public and private cloud computing from the perspective of their different application scope and interfaces. My position was that a private cloud interface should prov... (more)

The HPCcloud discussion group has been created in order to address the growing interest in High Performance Computing and Grid Computing in the Cloud. The purpose of this group is to present experiences and scenarios by individuals, organizations and projects to illustrate how Cl... (more)

An entire ecosystem is evolving around cloud computing. Interface standardization efforts, commercial products, cloud infrastructure and management services, virtual appliance providers and open-source solutions are filling niches in the cloud ecosystem. The role and position of ... (more)

After the successful BoF session on Cloud Computing API that we organized at Open Grid Forum 25 to define the charter for a new Working Group to deliver a standard API for "IaaS" clouds, we are happy to announce that the Open Grid Forum (OGF) has officially launched the Open Clo... (more)

Ubuntu 9.04 (Jaunty Jackalope) has been released today bringing highly interesting new features, specially in the Cloud Computing and Virtualization area. The new Ubuntu server distribution includes two complementary cloud tools, OpenNebula and Eucalyptus, so providing the techno... (more)

A BoF ("birds of a feather") session on Cloud Computing API was organized at Open Grid Forum 25 in Catania (Italy). The session focused on the charter and the creation of a Group inside OGF to work on the development of an API specification for the dynamic deployment, using an ap... (more)

Formed by CNRS/LAL, GRNET, SixSq Sàrl, and UCM, StratusLab is an informal, open collaboration that focuses on the use cloud technologies in research and commercial environments and on the management of cloud resources in those environments. The key issue with productive use of t... (more)

Haizea is an open source lease management architecture that OpenNebula can use as a scheduling backend. Haizea can also be run in simulation, providing a platform for experimenting with scheduling algorithms that depend on VM (Virtual Machine) deployment or on the leasing abstrac... (more)

A Distributed Virtual Infrastructure (VI) Manager is responsible for the efficient management of the virtual infrastructure as a whole, by providing functionality for deployment, control and monitoring of groups of interconnected Virtual Machines (VMs) across a pool of resource... (more)

Ruben S. Montero has published a series of posts in the DSA-research blog on the benefits of virtualizing a distributed infrastructure with the OpenNebula Virtual Infrastructure Engine: In "The Private Clouds", Ruben discusses the motivations for building a private cloud using o... (more)

The Ubuntu team announced one month ago their plan to offer a set of new software packages related to cloud computing in Ubuntu 9.04 (Jaunty Jackalope), due to be released in April 2009. One of the target packages, the OpenNebula Virtual Infrastructure Engine, is available for do... (more)

We have just announced the availability of OpenNebula 1.2, the second stable release of the project. This is an important milestone for the project and marks that most of the components of OpenNebula are now in place. See this post with the details of the first release. What is ... (more)

This is the title of the new GridBriefing just released by GridTalk to introduce Grids and Clouds as complementary computing paradigms. A clear understanding of their relationship will help the development and efficient use of existing academia and commercial e-infrastructures. I... (more)

The Cloud Computing - Cloudscape Workshop was successfully held in Brussels on January 14th and 15th, 2009. The analysis of similarities and differences between cloud and grid computing was a common theme in all presentations. There were a lot of interest in exploring the use of ... (more)