CloudStack

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4.4 out of 5 stars

Apache CloudStack is open source software designed to deploy and manage large networks of virtual machines on scalable Infrastructure as a Service (IaaS) cloud computing platform.

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CloudStack review by <span>Bradley D. T.</span>
Bradley D. T.
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What do you like best?

We operate and manage several cloud infrastructure services both for ourselves and several client enterprises. Using several solutions for the management and deployment of virtualized resources, including VMware, Xenserver, and OpenStack, our Goto solution that we use internally is CloudStack.

CloudStack not only integrates well with the various forward facing customer billing and management solutions we use such as WHMCS, HostBill, and Blesta, but can manage virtualized resources directly and even works well sitting atop and management vSphere, vCloud Director, etc., and Xenserver - so many of the layers that only manage services under a particular virtualization technology can still be used directly or managed by CloudStack.

We highly recommend CloudStack as a solution for the management of enterprise resources in the cloud and use it everyday ourselves.

What do you dislike?

Unlike the freedom that OpenStack offers in Enterprise Infrastructure design, CloudStack is somewhat more rigid in the way you can deploy it, although almost all customization is still possible, it's intended to launch and use in particular ways that OpenStack leaves to the engineering team to determine for themselves.

Recommendations to others considering the product

Make sure all of your existing infrastructure management tools are working correctly (deploy, spin up, manage, snapshot, etc.) before layering CloudStack on top of them or having it manage your resources directly.

As you add layers of complexity on top of existing ones, the broken parts fly further when something isn't right, making it more difficult to ascertain particular problems.

What business problems are you solving with the product? What benefits have you realized?

Whether our clients are VPS hosting providers or operate private cloud infrastructure for their internal enterprise requirements, CloudStack provides solutions in an easy to implement and operate way that is simple to provide training for.

The learning curve for our customesr adopting CloudStack for the management of their cloud infrastructure is shallow, enabling our clients to come up to speed quickly without having to outsource their administrative functions any longer than necessary.

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CloudStack review by <span>Vinicius L.</span>
Vinicius L.
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What do you like best?

Apache CloudStack offers a solid documentation and a large community for users and developers that make troubleshooting less difficult. Is a very reliable tool for orchestration with good and simple usability.

You can deploy new virtual machines with a few clicks.

Due to big and engaged community, updates are available frequently in order to solve bugs and improve features.

Is an open-source software that is very important to build a low cost solution.

What do you dislike?

In a big environment (a lot of virtual machines and storage pools), listing resources are a little bit slow.

The section for firewall rules and port forwarding also presents some slowness that may disturb usability.

Recommendations to others considering the product

You should compare and try different solutions. Remember that manufactures will always try to recommend other solutions (frequently proprietary), but this is not a rule.

Cloudstack is in the same level of quality.

What business problems are you solving with the product? What benefits have you realized?

Delivering IaaS (Infrastructure as a Service) to University community. Resources are applied on research, management and education.

Before that, there were a lot of local data centers spread trough the University (considering all campus). Using cloud computing with CloudStack, the operational cost was significantly decreasead.

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CloudStack review by <span>Stênio P.</span>
Stênio P.
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What do you like best?

the orchestration architecture is simple. With only one server it is possible to have a cloud orchestrator, provisioning network, compute and disk. Updates are often published. User authentication can be based in SAML 2.0. This product is open source and is possible to create features as your needs. Good features can be submitted to the community to be released in next versions. Almost all functions to maintenance are available in API.

What do you dislike?

few vendors to create interfaces to integrate products. Currently they prefer to integrate with competitor orchestrator. 3rd party integration is poor. IPV6 implementation is incomplete and needs more attention of developers. The Virtual router may be better with more options of VPN and VPC advanced. The quota service must be improved urgently. The snapshot management needs to be more efficient because overloads the ACS in large environments with a lot of users.

Recommendations to others considering the product

This product offers more features, is more updated, less expensive, more adaptable, more versatile. It supports recent hypervisors and require less resources. This product does not require any previous experience in cloud computing. It is scalable, it allows start a small environment growing up gradually. 3rd parts integration is poor.

What business problems are you solving with the product? What benefits have you realized?

Our need was in a low-cost product, not complex, with low maintenance, resilient, able to orchestrate a large pool of IT equipment. This product has proven to be capable of this.

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CloudStack review by <span>Cyrano R.</span>
Cyrano R.
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CloudStack Works

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What do you like best?

CloudStack it's a simple monolithic agnostic orchestration tool that you need a couple hours to study, design and implement to have huge result, an entire IaaS experience. Because it's simple the troubleshooting is very easy and the providers can delivery a great SLA to their clients.

What do you dislike?

To be sincere, the fact of the main manufacturers of the sector do not are involved with CloudStack is a big issue. But the problem aren't on CloudStack, I think is a manufacturer problem, because the manufacturers haven't engagement with this tool that's deployed in many Cloud Providers and largest clouds around the world. The manufacturers try to drive you to an expensive orchestration tools or even worst, drive you to a immature solution that we can't see great use cases concrete.

Recommendations to others considering the product

The Apache CloudStack is an open source orchestration software very mature, very simple to design, implement and operate, as consultant and cloud provider CTO I fully recommend Apache CloudStack to many environments.

What business problems are you solving with the product? What benefits have you realized?

The University, my first large implementation, had a big issue with 149 small data centers spread on São Paulo State, this data centers costs to university were very high, the consolidation idea in two data centers were awesome, but were worried with the management, so we adopted ACS to management of all 576 physical hosts. Now a days the university is delivering IaaS for all staff, students, teachers and researchers, they are using these resources to delivery services to their clients and have a great results in research area.

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CloudStack review by <span>João Victor R.</span>
João Victor R.
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Cloud service with independence

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What do you like best?

Apache Cloudstack an open source solution that allows us keep in touch with the worldwide community of contributors whose maintain its source code and working actively of creation of new functionalities, fixing bugs and helping other users solve their problems. The software also permits a quick scalability of hardware. For end users, the interface provides the experience of total control of your resources as if they had mini data-center.

What do you dislike?

Sometimes you can find undocumented bugs that can compromise the entire infrastructure. Once you don't have an official support channel, you should try to find out the source of problem by yourself.

Recommendations to others considering the product

An important point to be considered is to plan carefully all the details of your infrastructure (network, storage, servers) that will be implemented now as well as possible extensions of services.

What business problems are you solving with the product? What benefits have you realized?

We have to provide an infrastructure of private cloud in our university in order to supply the demand of virtual resources of our researchers. Instead of each one of them to deploy a small datacenter in their labs, we can centralize all hardware in datacenters with redundancy, reliability and all services of SLA.

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CloudStack review by <span>Thomas J.</span>
Thomas J.
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Quite easy to setup and handle

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What do you like best?

The cloudstack interface is user friendly compared to other open source applications available.

It's quite easy to setup and handle, it also has a big user email base where most of the issues are discussed making it a bit easy for troubleshooting.

What do you dislike?

It fails in the area where instead of making stuff that works bug free it introduces new ones with every minor or major release.

It doesn't have any option to support new GPGPU grid hardware.

The log files could be more descriptive, it doesn't always point to the cause.

Recommendations to others considering the product

If your company is willing to opt for licensed software then I would suggest not going for cloudstack.

I feel Cloudstack meets my needs more than OpenStack or OpenNebula.

What business problems are you solving with the product? What benefits have you realized?

I've done a lot of troubleshooting to resolve issues in the last four years I've worked with it.

I've faced most of the issues in advance as my user base is mostly students who don't follow instructions.

Any small issues or changes made to a network setup inside a VM by a user breaks the virtual router for that zone.

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