On 20 Jan 2015, at 23:19, Christian Kuhtz <chkuhtz@microsoft.com> wrote:
I don't belong to the O365 product group, but did you look at this?
https://technet.microsoft.com/en-us/library/hh852542.aspx
and a blog article to go along with that:
http://blogs.technet.com/b/educloud/archive/2013/08/20/do-you-have-any-bandw...
There's a bunch more than comes up under "office 365 bandwidth calculator" in your friendly neighborhood search engine.
The Exchange client model, for example, looks like it can give you basics for a model based projection if you can characterize your base.
biggest issue to deal with is migration traffic analysis, you need to identify biggest pst users, biggest non techie users who dont delete emails so hence have large email sets. you need to identify work times so that migration efforts can start overnight ideally. Colin