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 provide rich enough
semantics, far beyond of that provided by public clouds (such as Amazon EC2
APIs), to ease the integration of the distributed virtual infrastructure in
the data-center management stack, including user and administration support.
Such interface should provide additional functionality for virtualization,
networking, image and physical resource configuration, management, monitoring
and accounting, not exposed by pubic cloud interfaces.
I also envisioned that, although conceived as a ... (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 a
component or a service in the ecosystem are defined by its capabilities, the
consumers of those capabilities... (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 Cloud computing
can enhance the different types of distributed and high performance computing
infrastructures in... (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
platforms.OpenNebula v1.4 is available in beta release,
incorporating bleeding edge technologies and innovati... (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 in many areas of
virtual infrastructure management and Cloud Computing. OpenNebula 1.4 aims to
be the swiss-a... (more)
Ignacio M. Llorente, Ph.D in Computer Science and Executive MBA, is a Full Professor in Computer Architecture and Technology, and the Head of the 
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Data Recovery Services
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