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neutron
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OpenStack Networking (Neutron)
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Carl Baldwin 2541ff7cad Avoid unnecessarily checking the existence of a device 
Plugging a device usually involves checking for the existence of the
device twice, once before calling plug and once after.  It turns out
that these calls are expensive, often taking a half second or more
each.  For that reason, it is worth the effort to make sure we check
only once.

The device driver is now responsible for cleanly plugging/unplugging
the device without knowing whether it exists or not.  Pushing this
responsibility to the device driver allows implementing it more
efficiently in terms of calls made out to the operating system.

This is targetted at the neutron-tempest-parallel bp because it shaves
time off the time to set up a router, something that hinders parallel
performance.

Change-Id: I391fafe68b76e1c620d2b25e8613ba507fd25dfd
Partial-Bug: #1287824
 		2014-03-04 17:55:53 +00:00
bin Use oslo.rootwrap library instead of local copy 2014-02-07 10:58:27 +01:00
doc change Openstack to OpenStack in neutron 2014-02-24 10:34:25 -08:00
etc Implement Mellanox ML2 MechanismDriver 2014-03-03 22:43:10 +02:00
neutron Avoid unnecessarily checking the existence of a device 2014-03-04 17:55:53 +00:00
quantum Re-assign quantum.api module as last operation 2013-07-15 22:51:28 +02:00
tools Merge "Corrects broken format strings in check_i18n.py" 2014-01-07 14:11:59 +00:00
.coveragerc fix some missing change from quantum to neutron 2013-07-08 12:11:04 +08:00
.gitignore Updates .gitignore 2013-11-28 23:18:03 +08:00
.gitreview Rename quantum to neutron in .gitreview. 2013-07-06 12:25:09 -04:00
.mailmap mailmap: update .mailmap 2014-02-10 15:48:48 +09:00
.pylintrc Rename Quantum to Neutron 2013-07-06 15:02:43 -04:00
.testr.conf Add an explicit tox job for functional tests 2014-02-05 17:11:52 +00:00
HACKING.rst Cleanup HACKING.rst 2013-11-11 10:32:34 -08:00
LICENSE Adding Apache Version 2.0 license file. This is the official license agreement under which Quantum code is available to 2011-08-08 12:31:04 -07:00
MANIFEST.in Rename Quantum to Neutron 2013-07-06 15:02:43 -04:00
README.rst Rename Quantum to Neutron 2013-07-06 15:02:43 -04:00
TESTING Add post-mortem debug option for tests 2013-12-10 03:56:50 +00:00
babel.cfg Use babel to generate translation file 2013-01-24 00:20:32 +08:00
openstack-common.conf Merge "Remove dependent module py3kcompat" 2014-02-23 06:30:59 +00:00
requirements.txt Updated from global requirements 2014-02-28 17:37:58 +00:00
run_tests.sh Merge "Don't document non-existing flag '--hide-elapsed'" 2014-02-22 04:05:04 +00:00
setup.cfg Implement Mellanox ML2 MechanismDriver 2014-03-03 22:43:10 +02:00
setup.py Updated from global requirements 2013-10-01 16:13:29 +00:00
test-requirements.txt Updated from global requirements 2014-02-23 09:26:34 +00:00
tox.ini Merge "Add an explicit tox job for functional tests" 2014-02-11 08:03:05 +00:00

README.rst

# -- Welcome!

You have come across a cloud computing network fabric controller. It has identified itself as "Neutron." It aims to tame your (cloud) networking!

# -- External Resources:

The homepage for Neutron is: http://launchpad.net/neutron . Use this site for asking for help, and filing bugs. Code is available on github at <http://github.com/openstack/neutron>.

The latest and most in-depth documentation on how to use Neutron is available at: <http://docs.openstack.org>. This includes:

Neutron Administrator Guide http://docs.openstack.org/trunk/openstack-network/admin/content/

Neutron API Reference: http://docs.openstack.org/api/openstack-network/2.0/content/

The start of some developer documentation is available at: http://wiki.openstack.org/NeutronDevelopment

For help using or hacking on Neutron, you can send mail to <mailto:openstack-dev@lists.openstack.org>.