This is a really good alternative to VMware. It is very simple to use as it is only what you need to have a private cloud.

Overall, I rate OpenNebula a seven out of ten.

I rate OpenNebula 7.5. I can't go about that because it lacks many of the features that a cloud management solution should provide. Nevertheless, it's a great product that's simple to use.  I'll definitely recommend OpenNebula because it's an open-source solution that's effortless to set up, and the total cost of ownership is low. The architecture is simple. If OpenNebula covers your use case, I'll definitely recommend it to them.

Overall, this is a good product for the end-user.

I would rate this solution an eight out of ten.

I rate the solution an eight out of ten.

The performance is good. 

We're a customer. 

I cannot recall the exact version of the solution I used. It might have been version five or three. 

Potential new users will need to understand basic networking and how things work at the network level, and then it would be right for them.

I'd rate the product seven out of ten. The solution is good. However, support is not. 

I'm a system integrator for OpenNebula.

My customers use the PaaS version of OpenNebula and build a cloud using the solution. Customers build the hardware and then install OpenNebula. You can install instances of the host on Amazon or Google because OpenNebula integrates with other cloud providers. Still, in the four or five deployments I've done, I haven't seen any case of people bringing OpenNebula to a competitor. Instead, my customers build OpenNebula as a competitor to Amazon or Google.

Maintaining OpenNebula isn't difficult. Once you've set up the solution, it works. You don't need to spend a lot in terms of maintenance costs. Setting up OpenNebula could be challenging the first time because of all the networking and templates you need. Still, after you set up OpenNebula, nobody needs to touch it because it works fine.

I advise anyone who wants to start implementing OpenNebula to learn Linux and how the solution works first.

My rating for OpenNebula is eight out of ten.

I would suggest testing the solution, trying it on-prem and in the cloud. Be clear about your use case and why you're looking to change your virtual environment It's important to understand the risks. We plan to increase usage of OpenNebula.

I rate this solution eight out of 10. 

I rate OpenNebula eight out of 10. 

We're integrating various solutions, including VM and KVM.

This is an excellent open-source, community-driven solution. 

New users should explore the solution and see if it can solve their issues. It's not a well-known product just yet, however, it is quite useful. New users just need to know what they are doing. Otherwise it may not meet their expectations. Having prior understanding of the product goes a long way towards making it a successful tool.

I'd rate the solution nine out of ten. 

It's really easy to use. If you already have infrastructure based on VMware and you don't want to pay for the license you should use OpenNebula but if you do have the budget you should use vRA. 

I would rate it between seven or eight out of ten. If they add certain features I would rate it a nine. 

vOneCloud is another interesting product from OpenNebula that can transform a normal VMware installation to mimic a full-blown public cloud. The best part is that this can be implemented on a VMware environment by just downloading an appliance.

Within 5-6 minutes, one can experience the power of VOneCloud.

This sort of product offerings from OpenNebula shows the ability of the Engineering Team of OpenNebula. Kudos to the OpenNebula team.