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查看“UbuntuHelp:UEC/Architecture”的源代码
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{{From|https://help.ubuntu.com/community/UEC/Architecture}} {{Languages|UbuntuHelp:UEC/Architecture}} A UEC system includes physical machines running the following services: <ol><li>'''eucalyptus-cloud''' - includes the front-end services, Cloud Controller </li><li>'''eucalyptus-cc''' - includes the Cluster Controller that provides support for the virtual network overlay </li><li>'''eucalyptus-sc''' - includes the Storage Controller </li><li>'''eucalyptus-walrus''' - includes the Walrus storage system </li><li>'''eucalyptus-nc''' - includes the Node Controller that interacts with [[UbuntuHelp:KVM|KVM]] through Libvirt to manage individual VMs</li></ol> In a basic UEC setup, the system is composed of two machines (a front-end and a node). The front end runs both `eucalyptus-cloud` and `eucalyptus-cc` in this configuration. The node runs the node controller, `eucalyptus-nc`. It is possible to separate the cloud controller and cluster controller in a more complex multi-host setup. The following diagram depicts a simple setup: {{http://pompone.cs.ucsb.edu/~nurmi/images/euca-topo-nonet.png}} UEC assumes that each node in the system belongs to a cluster and that each cluster belongs to a cloud. Each node runs the eucalyptus-nc service. Similarly, each cluster (again, there is only one cluster in this example) must run the eucalytpus-cc service. These components must be registered with each other before the system starts. [[category:UbuntuHelp]]
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