[Openstack-operators] Do you recommend large subnets in provider network?

sylecn sylecn at gmail.com
Wed Apr 23 07:37:44 UTC 2014

Hi all,

I'm building a private cloud using flat provider network. For the private
network, I'm facing a choice between using a big subnet and multiple small
subnets. I am seeking for advice.

I have a network, which contains about 1024 IPs. If I
declare this as a big subnet, will I get performance problems for broadcast
packets, DHCP assignment, bad ping latency and the like?

What is your subnet size? Is there a practical maximum subnet size?


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