openstack-manuals/doc/common/get-started-networking.rst
Brian Moss 3b81093112 [Install Guide] Update command output
Update command output for project create
and user create commands.

Change-Id: Iea448d32d61bc05b4a04b7907c8247a1cdc1d751
2016-09-30 10:16:27 +10:00

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===========================
Networking service overview
===========================
OpenStack Networking (neutron) allows you to create and attach interface
devices managed by other OpenStack services to networks. Plug-ins can be
implemented to accommodate different networking equipment and software,
providing flexibility to OpenStack architecture and deployment.
It includes the following components:
neutron-server
Accepts and routes API requests to the appropriate OpenStack
Networking plug-in for action.
OpenStack Networking plug-ins and agents
Plug and unplug ports, create networks or subnets, and provide
IP addressing. These plug-ins and agents differ depending on the
vendor and technologies used in the particular cloud. OpenStack
Networking ships with plug-ins and agents for Cisco virtual and
physical switches, NEC OpenFlow products, Open vSwitch, Linux
bridging, and the VMware NSX product.
The common agents are L3 (layer 3), DHCP (dynamic host IP
addressing), and a plug-in agent.
Messaging queue
Used by most OpenStack Networking installations to route information
between the neutron-server and various agents. Also acts as a database
to store networking state for particular plug-ins.
OpenStack Networking mainly interacts with OpenStack Compute to provide
networks and connectivity for its instances.