yahoo-eng-team team mailing list archive

[Doug Wiegley <dougwig@xxxxxxxxxxx>]

Isn't this a dup of this spec, that is in progress?
https://review.openstack.org/#/c/225384/22/specs/newton/routed-
networks.rst

** Changed in: neutron
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1573197

Title:
  [RFE] Neutron API enhancement for visibility into multi-segmented
  networks

Status in neutron:
  Invalid

Bug description:
  Neutron networks are, by default, assumed to be single segmented L2
  domains, represented by a single segmentation ID (e.g VLAN ID).
  Current neutron API (neutron net-show) works well with this model.
  However, with the introduction of HPB, this assumption is not true
  anymore. Networks are now multi-segmented. A given network could have
  anywhere from 3 to N number of segments depending upon the
  breadth/size of the data center topology. This will be true with the
  implementation of routed networks as well.

  In general, the segments, in multi-segmented networks, will be
  dynamically created.  As mentioned earlier, the number of these
  segments will grow and shrink dynamically representing the breadth of
  data center topology. Therefore, at the very least, admins would like
  to have visibility into these segments - e.g. which segmentation
  type/id is consumed in which segment of the network.

  Venders and Operators are forced to come up with their hacks to get such visibility. 
  This RFE proposes that we enhance neutron API to address this visibility issue in a vendor/implementation agnostic way - by either enhancing "neutron net-show" or by introducing additional commands such as "neutron net-segments-list/neutron net-segment-show". 

  This capability is needed for Neutron-Manila integration as well.
  Manila requires visibility into the segmentation IDs used in specific
  segments of a network. Please see Manila use case here -
  https://wiki.openstack.org/wiki/Manila/design/manila-newton-hpb-
  support

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