[afnog] Internet Traffic distribution management

[Frank Kuse]

Hello Phil,
Answers as below.

> Date: Tue, 29 Sep 2015 10:57:41 +0200
> From: regnauld at nsrc.org
> To: rombokite at hotmail.com
> CC: afnog at afnog.org
> Subject: Re: [afnog] Internet Traffic distribution management
> 
> Frank Kuse (rombokite) writes:
> > Hello All,
> > We currently do our Internet traffic load balancing by IP prefix preference to our internet peers.The AS for the same prefix is prepended a number of times on other links to serve as backup with the less preferred link given the highest number of prepend.
> > The process above and determining the traffic utilization per prefix is manual and does not scale as we acquire more internet uplinks.
> > Is there an automatic way of load balancing internet traffic per IP prefix on a number of internet links as our situation is?
> > As it stands we have 8 uplinks with planning for two additional uplinks.
> 
> 	8 seems excessive - are you doing BGP with all of them ? Is that 8
> 	different providers ?
Yes we do BGP with all of them and but one provider handles about a maximum of 3 links grouping.

> 
> 	Or are you doing, say, 4 upstream providers with 2 links to each
> 	(failover) ?
> We have a maxium of 3 links to a one such provider with the remaining handling two on the average yes, we fail-over for redundancy purposes 
> > Any pointers on some good technical solution to make this a less pain is most welcome?
> 
> 	Short of disaggregating and announcing smaller pieces of your prefix
> 	to your upstream, I don't think so. Other solutions are usually technical
> 	hacks like MLVPN or only work for downstream traffic.
> 
> 	Anyway, there are more qualified folks on this list to give better
> 	suggestions :)
> 
> 	Cheers,
> 	Phil
 		 	   		  
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