nanog mailing list archives
Re: Current trends in capacity planning and oversubscription
From: Michael Loftis <mloftis () wgops com>
Date: Wed, 10 Nov 2010 09:47:48 -0700
On Tue, Nov 9, 2010 at 10:26 PM, Sean Donelan <sean () donelan com> wrote:
While the answer is always it depends, I was wondering what the current rules of thumb university network engineers are using for capacity planning and oversubscription for resnets and admin networks? For K-12, SETDA (http://www.setda.org/web/guest/2020/broadband) is recommending: - An external Internet connection to the Internet Service Provider of at least 100 Mbps per 1,000 students/staff - Internal wide area network connections from the district to each school and between schools of at least 1 Gbps per 1,000 students/staff How does that compare with university and enterprise network rules of thumb?
As someone else has said I've never seen K-12 with remotely that high of a ratio, or, really, any educational institution. UofM here in Missoula, MT doesn't have anywhere near those ratios for internet services nor for the campus network. I don't have any exact details but I'm pretty certain there's no 10 Gig-E there. I'm not even sure if the building-to-building links are 1 Gig-E in all cases. Actually...I'm not sure anywhere has that high of a ratio here in the states, at least for wired connectivity. The carriers here all keep the prices nice and high to preserve their profit margins in the face of losing their long distance and traditional POTS cash cows as people move more to cell phones and other non POTS carriers.
Current thread:
- Current trends in capacity planning and oversubscription Sean Donelan (Nov 09)
- Re: Current trends in capacity planning and oversubscription ML (Nov 10)
- Re: Current trends in capacity planning and oversubscription Valdis . Kletnieks (Nov 10)
- Re: Current trends in capacity planning and oversubscription Michael Loftis (Nov 10)
- RE: Current trends in capacity planning and oversubscription John van Oppen (Nov 10)
- Re: Current trends in capacity planning and oversubscription Steve Meuse (Nov 10)
- RE: Current trends in capacity planning and oversubscription George Bonser (Nov 10)
- Re: Current trends in capacity planning and oversubscription Steven Bellovin (Nov 10)
- Re: Current trends in capacity planning and oversubscription Michael Loftis (Nov 10)
- Re: Current trends in capacity planning and oversubscription ML (Nov 10)
- RE: Current trends in capacity planning and oversubscription Holmes,David A (Nov 10)
- Re: Current trends in capacity planning and oversubscription Curtis, Bruce (Nov 10)
- Re: Current trends in capacity planning and oversubscription Sean Donelan (Nov 12)
- Re: Current trends in capacity planning and oversubscription Valdis . Kletnieks (Nov 13)
- Re: Current trends in capacity planning and oversubscription Jeff Kell (Nov 13)
- Re: Current trends in capacity planning and oversubscription Sean Donelan (Nov 12)