BGP Multihoming 2 providers full or partial?

Sun May 31 13:02:24 UTC 2015

Just for the hardware and the planning required for migrating to new hardware human resource etc.

-----Original Message-----
From: Faisal Imtiaz [mailto:faisal at snappytelecom.net] 
Sent: 31 May 2015 14:01
To: Maqbool Hashim
Cc: nanog at nanog.org
Subject: Re: BGP Multihoming 2 providers full or partial?

Interesting... is the cost associated with full tables just for the Hardware or is the service provider charging extra for the full table.

Faisal Imtiaz
Snappy Internet & Telecom
7266 SW 48 Street
Miami, FL 33155
Tel: 305 663 5518 x 232

Help-desk: (305)663-5518 Option 2 or Email: Support at Snappytelecom.net 

----- Original Message -----
> From: "Maqbool Hashim" <maqbool at madbull.info>
> To: "Faisal Imtiaz" <faisal at snappytelecom.net>
> Cc: nanog at nanog.org
> Sent: Sunday, May 31, 2015 8:10:51 AM
> Subject: RE: BGP Multihoming 2 providers full or partial?
> 
> Thanks,
> 
> So we just need to take a decision on whether we want to pay the price 
> for a full routing table, whether it gives us enough value for the expenditure.
> 
> -----Original Message-----
> From: Faisal Imtiaz [mailto:faisal at snappytelecom.net]
> Sent: 31 May 2015 13:06
> To: Maqbool Hashim
> Cc: nanog at nanog.org
> Subject: Re: BGP Multihoming 2 providers full or partial?
> 
> If you wish to do outbound traffic engineering, and want to take 
> advantage of best paths to different networks (outbound), then you 
> have to take full routes.
> 
> Or putting it  another way.... Taking full routes offers the most 
> flexibility, anything else would be a compromise (an acceptable 
> compromise) to overcome some existing resource limitations...
> 
> Regards.
> 
> Faisal Imtiaz
> Snappy Internet & Telecom
> 7266 SW 48 Street
> Miami, FL 33155
> Tel: 305 663 5518 x 232
> 
> Help-desk: (305)663-5518 Option 2 or Email: Support at Snappytelecom.net
> 
> ----- Original Message -----
> > From: "Maqbool Hashim" <maqbool at madbull.info>
> > To: nanog at nanog.org
> > Sent: Friday, May 29, 2015 4:36:34 AM
> > Subject: BGP Multihoming 2 providers full or partial?
> > 
> > Hi,
> > 
> > 
> > We are an enterprise that are eBGP multihoming to two ISPs. We wish 
> > to load balance in inbound and outbound traffic thereby using our 
> > capacity as efficiently as possible. My current feeling is that it 
> > would be crazy for us to take a full Internet routing table from 
> > either ISP. I have read this document from NANOG presentations:
> > 
> > 
> > https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=
> > rj 
> > a&uact=8&ved=0CCoQFjAA&url=https%3A%2F%2Fwww.nanog.org%2Fmeetings%2F
> > na 
> > nog41%2Fpresentations%2FBGPMultihoming.pdf&ei=cyRnVb--FeWY7gbq4oHoAQ
> > &u sg=AFQjCNFsMx3NZ0Vn4bJ5zJpzFz3senbaqg&bvm=bv.93990622,d.ZGU
> > 
> > 
> > The above document reenforces my opinion that we do not need full 
> > routing tables. However I was seeking some clarity as there are 
> > other documents which suggest taking a full routing table would be optimal.
> > I "guess" it depends on our criteria and requirements for load balancing:
> > 
> > 
> > - Just care about roughly balancing link utilisation
> > 
> > - Be nice to make some cost savings
> > 
> > 
> > We have PI space and two Internet routers one for each ISP. Either 
> > of our links is sufficient to carry all our traffic, but we want to 
> > try and balance utilisation to remain within our commits if 
> > possible. I am thinking a "rough" approach for us would be:
> > 
> > 
> > - Take partial (customer) routes from both providers
> > 
> > - Take defaults from both and pref one
> > 
> > 
> > Maybe we can refine the above a bit more, any suggestions would be 
> > most welcome!
> > 
> > 
> > Many Thanks
> > 
> > 
> 