New Feature in Juno neutron

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Currently, FEF of openstack Juno has passed and the new feature dust has been settled. This article summarizes some important new feature of neutron in Juno.

DVR:

Distributed virtual router, which is the most popular feature in Juno. It solves the problem of East-West/North-South flow concentration.

However, this feautre has some problems when it is used with high-level services. I personally do not recommend this version for production. The following are the bugs in DVR:

Https://bugs.launchpad.net/neutron/+bugs? Field. Tag = l3-dvr-backlog

For DVR, the following blog has been written for reference only:

Http://blog.csdn.net/matt_mao/article/details/39180135

Http://blog.csdn.net/matt_mao/article/details/36899391

BTW:

Cisco's ACI solution has built-in DVR functions. I really admire the strength of Cisco instme. I personally feel that ACI has already dumped several open-source solutions, it's too expensive...

L3 vrrp ha:

L3 uses keepalived to implement the ha of the virtual router. This code is also the same as DVR, and may have problems with high-level services (such as vpnaas ). This feature reduces the downtime of the L3 switchover.

L3 vrrp HA has translated the following blogs:

Http://blog.csdn.net/matt_mao/article/details/38676873

If you do not want to use vrrp ha for L3, you can also use the reschedule mechanism built in neutron. downtime is longer than vrrp ha, but there is no compatibility problem and no architecture change is required, the upgrade is smooth.

Migration solution from Nova-network to neutron:

The Community provides a migration solution from Nova-network to neutron, which I have not studied yet.

Cisco ACI/CSR:

Cisco added support for ACI in Juno and improved support for CSR. Now, L3 can use CSR routers and VPN can also be implemented through CSR. ACI is supported in ml2.

New Feature in Juno neutron