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 <kimbyeon...@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 > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > >
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