Open source cloud battles: OpenStack leveling off as CloudStack interest gains

By Brandon Butler, Network World |  Cloud Computing, CloudStack, OpenStack

Given marketing resources that have been devoted to OpenStack, including the launch of a new independent foundation to govern the project, the project has gained significant momentum, but Qingye says that does seem to be leveling off last quarter of 2012. "In the past the OpenStack project had a much higher participation ratio than the others. However, during the past 6 months, the participation ratio of CloudStack and Eucalyptus are growing steadily, while the participation ratio of OpenStack is decreasing gradually," he notes.

Still, OpenStack and Eucalyptus have the broadest communities. Qingye estimates there are 2,500 accumulated community members over the life of the OpenStack project, with just slightly fewer (around 2,250) for Eucalyptus. CloudStack has less than 1,500 total, while OpenNebula has just more than 1,000.

CloudStack recently has had more active discussions, though, Qingye notes. "The number of active participants of CloudStack is somewhat less than OpenStack, but the volume of discussion (in terms of monthly number of threads and messages) of the two projects is on the same level. This indicates that the active members in the CloudStack club are talking more than those in the OpenStack club (on average)," he says.

CLOUD SHOWDOWN: Amazon vs. Rackspace (OpenStack) vs. Microsoft vs. Google

These numbers seem to ebb and flow somewhat, though. Qingye points out that during major events or additions to the code there can be renewed interest in a project. Last fall, for example, OpenStack had its largest yet developer and user conference in San Diego. Project officials recently announced the next design summit to discuss the Grizzly release of OpenStack code will be in Portland, Ore., in April. CloudStack held its first conference last fall as well, though, which could reflect the more active discussions in the project late last year compared to OpenStack.

Eucalyptus officials, meanwhile, have committed to more frequently updating their code and continuing to support compatibility with Amazon Web Services, which the company has a non-exclusive agreement with the major public cloud provider to develop. CloudStack backers, including Citrix officials, have discussed AWS compatibility as a major focus of that platform as well.

Moving forward, OpenStack and CloudStack seem to be growing at about an equal pace now in terms of discussions and responses, Qingye finds, but OpenStack has a larger community base to grow from. CloudStack seems to be picking up new members faster than OpenStack, too.

Originally published on Network World |  Click here to read the original story.
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