Open Stack

Hi Byeong,

Surely you can use multiple network nodes, if you want make it HA, you can
read these:

http://docs.openstack.org/admin-guide-cloud/content/app_demo_multi_dhcp_agents.html
http://docs.openstack.org/admin-guide-cloud/content/ha_pacemaker.html
https://wiki.openstack.org/wiki/Neutron/L3_High_Availability_VRRP

hope it helps

Damon


2014-03-10 9:56 GMT+08:00 BYEONG-GI KIM <kimbyeonggi at gmail.com>:

> Hi.
>
> I'm a new of OpenStack and getting started learning it.
>
> I've been reading several documents, e.g., installation guide,
> administrator guide, etc, and I finally have doubts about how OpenStack
> could be scalable.
>
> According to the architecture design, like
> http://docs.openstack.org/security-guide/content/figures/8/static/1aa-network-domains-diagram.png,
> Network Node seems that it must be accessed before communicating to
> external network.
>
> It means that the Network Node seems having a role for forwarding and even
> routing packets so that the centralized design would cause congestion
> problem. If every data packets must pass through the Network Node, I think
> it is not reasonable design from the point of view of networking.
>
> My questions are;
>
> 1. Could multiple Network Nodes be set up in order to decentralize the
> traffic and avoid congestion?
>
> 2. If I misunderstood about the concept of Network Node, would you explain
> about it in detail?
>
> Thank you in advance!
>
> Best regards
>
> Byeong-Gi KIM
>
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