August 2018
Beginner
462 pages
12h 36m
English
Content preview from Learning OpenStack Networking - Third Edition
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Preparing the physical infrastructure
Most OpenStack clouds are made up of physical infrastructure nodes that fit into one of the following four categories:
- Controller node: Controller nodes traditionally run the API services for all of the OpenStack components, including Glance, Nova, Keystone, Neutron, and more. In addition, controller nodes run the database and messaging servers, and are often the point of management of the cloud via the Horizon dashboard. Most OpenStack API services can be installed on multiple controller nodes and can be load balanced to scale the OpenStack control plane.
- Network node: Network nodes traditionally run DHCP and metadata services and can also host virtual routers when the Neutron L3 agent is installed. ...
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