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authorWojciech Dec <wdec@cisco.com>2016-08-17 13:14:23 +0200
committerWojciech Dec <wdec@cisco.com>2016-08-17 13:14:23 +0200
commit4979a23b8b2c0094ced98cf05eebb692d6609937 (patch)
treec49ceeb5b127fdb0e10c0f5ac0516be96cbd31a9 /networking-odl/doc/source/specs/qos-driver.rst
parentc3b2c2a9a22bac5cf17813c589444d3abebaa23b (diff)
Correcting networking-odl to mitaka/stable + app topology patch
Change-Id: Iddcd8dda2d49fcdd8e0f37a1d052a6fa8a24b035 Signed-off-by: Wojciech Dec <wdec@cisco.com>
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-==========================================
-Quality of Service Driver for OpenDaylight
-==========================================
-
-This spec describes the plan to implement quality of service driver for
-OpenDaylight Controller.
-
-Problem Statement
-=================
-OpenStack networking project (neutron [1]) have a extension plugin implemented
-and which expose api for quality of service that can be also be implemented by
-any backend networking service provider to support QoS. These APIs provide a
-way to integrate OpenStack Neutron QoS with any of the backend QoS providers.
-OpenDaylight will provide backend for existing functionalities in neutron-QoS.
-A notification driver is needed for integration of existing api in Openstack
-neutron for QoS with OpenDaylight backend.
-
-Proposed Change
-===============
-This change will introduce a new notification driver in networking-odl that
-will take CRUD requests data for QoS policies from OpenStack neutron and notify
-the OpenDaylight controller about the respective operation.
-
-Detailed Design
-===============
-To enable the formal end to end integration between OpenStack QoS and
-OpenDaylight requires an networking-odl QoS notification driver. QoS driver
-will act as a shim layer between OpenStack and OpenDaylight that will carry
-out following task:
-
-#. After getting QoS policy request data from neutron, It will log a operation
- request in opendaylightjournal table.
-
-#. The operation will be picked from opendaylightjournal table and a rest call
- for notifying OpenDaylight server will be prepared and sent.
-
-#. This request will processed by neutron northbound in OpenDaylight.
-The OpenDaylight neutron northbound project. These models will be based
-on the existing neutron qos plugin APIs.
-
-QoS providers in OpenDaylight can listen to these OpenDaylight Neutron
-Northbound QoS models and translate it to their specific yang models for QoS.
-The following diagram shows the high level integration between OpenStack and
-the OpenDaylight QoS provider::
-
- +---------------------------------------------+
- | OpenStack Network Server (neutron qos) |
- | |
- | +---------------------+ |
- | | networking-odl | |
- | | | |
- | | +---------------| |
- | | | Notification | |
- | | | driver QoS | |
- +----------------------|----------------------+
- |
- | Rest Communication
- |
- OpenDaylight Controller |
- +-----------------------|------------+
- | +----------V----+ |
- | ODL | QoS Yang Model| |
- | Northbound | | |
- | (neutron) +---------------+ |
- | | |
- | | |
- | ODL +----V----+ |
- | Southbound | QoS | |
- | (neutron) +---------+ |
- +-----------------|------------------+
- |
- |
- +------------------------------------+
- | Network/OVS |
- | |
- +------------------------------------+
-
-In the above diagram, the OpenDaylight components are shown just to understand
-the overall architecture, but it's out of scope of this spec's work items.
-This spec will only track progress related to networking-odl notification QoS
-driver work.
-
-Dependencies
-============
-It has a dependency on OpenDaylight Neutron Northbound QoS yang models, but
-that is out of scope of this spec.
-
-Impact
-======
-None
-
-Assignee(s)
-===========
-
-Following developers will be the initial contributor to the driver, but we
-will be happy to have more contributor on board.
-
-* Manjeet Singh Bhatia (manjeet.s.bhatia@intel.com, irc: manjeets)
-
-References
-==========
-
-[1] http://docs.openstack.org/developer/neutron/devref/quality_of_service.html
-[2] https://wiki.opendaylight.org/view/NeutronNorthbound:Main