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From Chiradeep Vittal <>
Subject Re: Network architecture question
Date Tue, 09 Apr 2013 05:38:49 GMT
Have you considered using a basic zone?
With security groups you can have *lots* (thousands of) with very small L2

On 4/8/13 10:28 PM, "Justin Grudzien" <> wrote:

>My team has been working for three weeks with CloudStack architecture
>design and we are struggling to put together a network architecture that
>we feel will scale. From everything I can tell, CloudStack requires a a
>very large layer 2 network when using shared guest networks. We are
>looking to deploy almost a thousand physical hosts across 25 cabinets
>with over 4000 VMs in the next 18 months and having a broadcast domain
>this large feels problematic.
>How have others solved this problem? I don't have a need or a desire for
>isolation and even if I had 100 guest networks I would still have to tag
>their VLANs into every host port. There doesn't seem to be a way to tie a
>network to anything smaller than a zone.
>One solution we are looking into is Cisco's 1000v and utilizing VXLANs.
>This will allow us scale down the broadcast domains. I don't think
>CloudStack has support in configuring their VXLAN settings? Any comments
>or suggestions would be appreciated.

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