[openstack-dev] [Neutron]issue about dvr flows and port timestamp

Yangxurong yangxurong at huawei.com
Wed Oct 29 07:12:51 UTC 2014


Hi,

I'm not sure whether following issue is problematic, and both, our team do some effort, so I submit two blueprints:
[1.] optimize dvr flows:
Currently, accurate ovs flows in terms of full mac are used to communicate among distributed router, but here comes problem : (1)the more distributed router node, the more flows; (2)different distributed router across DC cannot communicate through tunnel and additional operation under same mac prefix configuration. So it would be useful to shift the complete-matching of mac to fuzzy Matching, like prefix matching, reducing the number of flows and leading to communicate among different DC though configuring same mac prefix through tunnel.
Link: https://blueprints.launchpad.net/neutron/+spec/optimize-dvr-flows

[2.]add port timestamp:
It would be worth adding timestamp fields including create_at, update_at and delete_at in the table of port in neutron, so users can monitor port change conveniently, for example portal or management center wants to query the ports that have changed or refreshed during the latest 5sec in a large scale application. If not, it's time-consuming and low effectiveness.
Link: https://blueprints.launchpad.net/neutron/+spec/add-port-timestamp

Any response I will appreciate.

Thanks,
Xurong Yang
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