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[OpenStack Infra <1912460@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/c/openstack/neutron/+/796363
Committed: https://opendev.org/openstack/neutron/commit/8e30639452312019de17f3e1e8364f579752944e
Submitter: "Zuul (22348)"
Branch:    master

commit 8e30639452312019de17f3e1e8364f579752944e
Author: LIU Yulong <i@xxxxxxxxxxxx>
Date:   Wed Jun 2 15:38:02 2021 +0800

    [QoS] Add rule type packet per second (pps)
    
    This patch adds new API extension to QoS service plugin
    to allow CURD actions for packet rate limit (packet per
    second) rule in Neutron server side.
    
    NOTE: This patch will NOT implement the real functionality
    in L2/L3 backend to limit the pps.
    
    Co-Authored-By:  NANALI <lin203@xxxxxxxxxxxxxx>
    
    Closes-bug: #1912460
    Change-Id: Icc88accb88d9cec40c960c56f032c3c27317b42e


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1912460

Title:
  [RFE] [QoS] add qos rule type packet per second (pps)

Status in neutron:
  Fix Released

Bug description:
  For cloud providers, to limit the packet per second (pps) of VM NIC is
  popular and sometimes essential. Transit large set packets for VM in
  physical compute hosts will consume the CPU/phy-nic performance. And
  for small packets, even the bandwidth is low, the pps can still be
  higher, which can be an attact point inside the cloud while some VMs
  are becoming hacked.

  So for neutron, IMO, we should add such type of QoS rule, packet per
  second (pps). Am I missing something? Thoughts?

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