[uknof] Oversubscription maths

2011-05-26 Thread Adam Armstrong
Hi All, Do any of you have any pointers on how to go about predicting usage for high-speed ethernet access service? I'm running 1GE links into buildings, and hanging many (100-1000) 100M customers off switches in the basement, simple enough. I'm assuming ~300Kbps average peak usage per cust

Re: [uknof] Oversubscription maths

2011-05-27 Thread Mark Blackman
Adam Armstrong wrote: Hi All, Do any of you have any pointers on how to go about predicting usage for high-speed ethernet access service? Offices or residences? I'd assume it's just a question of bums on seats per building isn't it and you've got 300kbytes/sec per user already. Bums on seat s

Re: [uknof] Oversubscription maths

2011-05-27 Thread Adam Armstrong
On 27/05/2011 11:26, Mark Blackman wrote: Adam Armstrong wrote: Hi All, Do any of you have any pointers on how to go about predicting usage for high-speed ethernet access service? Offices or residences? I'd assume it's just a question of bums on seats per building isn't it and you've got 300k

Re: [uknof] Oversubscription maths

2011-05-27 Thread David Freedman
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 > Finally, what do people think of selling a 1G service with 1G backhaul > (and potentially 10s or 100s of customers buying this service alongside > n*100s of customers with 100M service)? > Even if you dont have it as a chargeable service, having s

Re: [uknof] Oversubscription maths

2011-05-27 Thread Neil J. McRae
historical data is your best hope. or build a model and use scenarios. Sent from my iPad On 26 May 2011, at 16:12, Adam Armstrong wrote: > Hi All, > > Do any of you have any pointers on how to go about predicting usage for > high-speed ethernet access service? > > I'm running 1GE links int

Re: [uknof] Oversubscription maths

2011-05-27 Thread Adam Armstrong
On 27/05/2011 01:49, Neil J. McRae wrote: historical data is your best hope. or build a model and use scenarios. Indeed. I've gotten a lot of historical data from real-world deployments from lots of helpful people in Europe. (why is the european internet community (particularly benelux/scan

Re: [uknof] Oversubscription maths

2011-05-27 Thread Rob Shakir
On 27 May 2011, at 15:45, Adam Armstrong wrote: > On 27/05/2011 01:49, Neil J. McRae wrote: >> historical data is your best hope. or build a model and use scenarios. > > Indeed. I've gotten a lot of historical data from real-world deployments from > lots of helpful people in Europe. > > (why i

Re: [uknof] Oversubscription maths

2011-05-27 Thread Adam Armstrong
On 27/05/2011 00:12, Adam Armstrong wrote: Findings from data from several European and American FTTB/FTTH networks : I'm running 1GE links into buildings, and hanging many (100-1000) 100M customers off switches in the basement, simple enough. I'm assuming ~300Kbps average peak usage per cust

Re: [uknof] Oversubscription maths

2011-05-28 Thread Mike Hughes
On 27 May 2011 15:45, Adam Armstrong wrote: > Indeed. I've gotten a lot of historical data from real-world deployments > from lots of helpful people in Europe. > > (why is the european internet community (particularly benelux/scandinavia) > so much more helpful than our own?) On this particular q