openstack-manuals/doc/common/get_started_networking.rst
KATO Tomoyuki 0261a73482 [common] Normalize get started contents
* file naming
* service name - to follow official service names
* heading - for inclusion:
    http://docs.openstack.org/mitaka/install-guide-ubuntu/keystone.html

Change-Id: Ifb65971526c2914bf8fc16a10fdafd1c864c38fa
2016-04-15 21:56:09 +09:00

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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
Plugs and unplugs ports, creates networks or subnets, and provides
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.