|Original author(s)||Cloud.com, Citrix|
|Developer(s)||Apache Software Foundation|
|Written in||Java (primarily)|
|License||Apache License 2.0|
CloudStack is open-source cloud computing software for creating, managing, and deploying infrastructure cloud services. It uses existing hypervisors such as KVM, VMware vSphere, VMware ESXi, VMware vCenter, and XenServer/XCP for virtualization. In addition to its own API, CloudStack also supports the Amazon Web Services (AWS) API and the Open Cloud Computing Interface from the Open Grid Forum.
Cloud.com was originally a Star Wars themed Galacticomm BBS in 1991, operating out of Lake Zurich, Illinois by system operator John Bilik. The domain name was hosted by network solutions, and registration ended when the BBS was shut down.
CloudStack was originally developed by Cloud.com, formerly known as VMOps.
VMOps was founded by Sheng Liang, Shannon Williams, Alex Huang, Will Chan, and Chiradeep Vittal in 2008. The company raised a total of $17.6M in venture funding from Redpoint Ventures, Nexus Ventures and Index Ventures (Redpoint and Nexus led the initial Series A funding round). The company changed its name from VMOps to Cloud.com on May 4, 2010, when it emerged from stealth mode by announcing its product. Cloud.com was based in Cupertino, California.
In May 2010, Cloud.com released most of CloudStack as free software under the GNU General Public License, version 3 (GPLv3). They kept about 5% proprietary. Cloud.com and Citrix both supported OpenStack, another Apache-licensed cloud computing program, at its announcement in July 2010.
Citrix Systems purchased Cloud.com on July 12, 2011, for approximately $200 million. In August 2011, Citrix released the remaining code under the Apache Software License with further development governed by the Apache Foundation. In February 2012, Citrix released CloudStack 3.0. Among other features, this added support for Swift, OpenStack's S3-like object storage solution. In April 2012, Citrix donated CloudStack to the Apache Software Foundation (ASF), where it was accepted into the Apache Incubator; Citrix changed the license to the Apache License version 2. As part of this change, Citrix also ceased their involvement in OpenStack. On November 6, 2012, CloudStack 4.0.0-incubating was announced, the first stable release after joining ASF. On March 20, 2013, CloudStack graduated from Apache Incubator and became a Top-Level Project (TLP) of ASF. The first stable (maintenance) release after graduation is CloudStack 4.0.2.
- Built-in high-availability for hosts and VMs
- AJAX web GUI for management
- AWS API compatibility
- Hypervisor agnostic
- Snapshot management
- Usage metering
- Network management (VLAN's, security groups)
- Virtual routers, firewalls, load balancers
- Multi-role support
- LXC Host Containers on RHEL 7
- Windows Server 2012 R2 (with Hyper-V Role enabled)
- Hyper-V 2012 R2
- CentOS 6.2+ and 7.1 with KVM
- Red Hat Enterprise Linux 6.2 and 7.1 with KVM
- Ubuntu 14.04 with KVM
- XenServer versions 6.1, 6.2 SP1 and 6.5 with latest hot fixes
- VMware vSphere versions 5.0 Update 3a, 5.1 Update 2a, and 5.5 Update 2
- RHEL or CentOS, v6.2 or 6.3 and 7.1
- Fedora 17
- Ubuntu 12.04
The minimum production installation consists of one machine running the CloudStack Management Server and another machine to act as the cloud infrastructure (in this case, a very simple infrastructure consisting of one host running hypervisor software). In its smallest deployment, a single machine can act as both the Management Server and the hypervisor host (using the KVM hypervisor).
Multiple management servers can be configured for redundancy and load balancing, all pointing to a common MySQL database.
- Bechtle AG
- Bell Canada
- British Telecom
- CA Technologies
- China Telecom
- Citrix Systems
- Cloudian, Inc.
- Hokkaido University
- Imperial College
- Juniper Networks
- KT Corporation
- Kyushu University
- Slovak Telekom
- Taiwan Mobile
- Trader Media Group
- University of Cologne
- University of Melbourne
- University of São Paulo
- Zenoss Core
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- "Supported AWS API Calls". Retrieved May 17, 2013.
- "OCCI Interface to CloudStack". Retrieved Feb 26, 2014.
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- "Are these people really all using CloudStack?".
- "CloudStack Users Apache Wiki".