Re: [rrg] RRG to hibernation

2012-11-11 Thread Danny McPherson
On Nov 10, 2012, at 12:54 PM, Tony Li wrote: I agree, but as you correctly point out, SIDR is an engineering solution. If you dislike that particular solution, you're of course free to propose others. However, the correct forum for engineering solutions is the IETF. I was hoping for

Re: [rrg] RRG to hibernation

2012-11-10 Thread Danny McPherson
On Nov 9, 2012, at 10:29 PM, Noel Chiappa wrote: We still have the same old kludgy BGP global routing system we always had, and _nothing_ has been proposed to improve/replace it. No, but I suspect if we bolt on BGPSEC extensions and things like periodic updates and per router signing

Re: [rrg] RRG to hibernation

2012-11-10 Thread Danny McPherson
On Nov 10, 2012, at 12:24 PM, Tony Li wrote: We still have the same old kludgy BGP global routing system we always had, and _nothing_ has been proposed to improve/replace it. Blatantly not true. There's this thing called NIMROD that has been proposed to replace it. Perhaps you've heard

Re: [rrg] Geoff Huston's BGP/DFZ research - 300k DFZ prefixes are the tip of the iceberg

2010-03-19 Thread Danny McPherson
On 3/15/10 2:42 AM, Tony Li wrote: Interestingly, I'm not sure that this is worth fixing. Most BGP implementations store a copy of all of the best paths that they've received from neighbors. They then compute the 'best path' amongst this set and advertise it appropriately. Truly fixing this

Re: [rrg] draft-narten-radir-problem-statement-05.txt

2010-02-18 Thread Danny McPherson
On Feb 17, 2010, at 6:16 PM, Joel M. Halpern wrote: Should we at least acknowledge in section 5 that our habit of addressing any and all problems with BGP extensions puts pressure on the control plane? (It may be that this component is manageable, but I wonder.) Each of these features

Re: [rrg] IPv4 IPv6 routing scaling problems

2010-02-12 Thread Danny McPherson
On Feb 5, 2010, at 11:30 AM, Christopher Morrow wrote: [2] Let's not forget that it's not *just* routes in BGP, but just as importantly *paths* that has negative scaling implications, as well, on the control plane, (note slide 13): http://www.ietf.org/proceedings/74/slides/grow-6.pdf i

Re: [rrg] IPv4 IPv6 routing scaling problems

2010-02-12 Thread Danny McPherson
On Feb 12, 2010, at 8:27 AM, Noel Chiappa wrote: Can you expand on that a bit? I think the slides here illustrate some of this pretty well, and even illustrate how implementation optimizations that result in systemic state and churn are a very bad idea - but most operators don't complain

Re: [rrg] IPv4 IPv6 routing scaling problems

2010-02-12 Thread Danny McPherson
On Feb 12, 2010, at 12:54 PM, heinerhum...@aol.com wrote: A corner stone of TARA is the computation of consistent topologies for the various zooms (just by knowing the standardized scale ratio).http://www.ietf.org/proceedings/74/slides/grow-6.pdf refers to Route Reflectors (and what

Re: [rrg] RRG recommendation

2009-11-17 Thread Danny McPherson
On Nov 17, 2009, at 8:46 AM, Tony Li wrote: Do not depend on DNS to get packet delivered. Sorry, we already broke that. When DNS is down, the net is down. ;-) Com'n Tony, that's a little disingenuous (unless you were strictly kidding and not just smirking there :-) The point is that

Re: [rrg] RRG recommendation

2009-11-17 Thread Danny McPherson
On Nov 17, 2009, at 9:57 PM, Shane Amante wrote: Com'n Tony, that's a little disingenuous (unless you were strictly kidding and not just smirking there :-) I don't think he was, particularly in light of the vast majority of end-users perception that regardless of whether DNS fails or IP

Re: [rrg] BGP scaling limit

2009-02-06 Thread Danny McPherson
On Jan 31, 2009, at 10:17 PM, Enke Chen wrote: So here is an alternative (operationally): accept MEDs from each other and perform longest-exit. The MEDs could be set by the sender based on the location (community) so that at most 2 or 3 peering locations would advertise the same MED.

Re: [rrg] BGP scaling limit?

2009-01-12 Thread Danny McPherson
On Jan 6, 2009, at 4:23 PM, Tony Li wrote: I know that the internal tables are always a pain, but since we have to deal with the global issues, the internal, private growth (self- inflicted ;-) has to necessarily be out of scope for RRG. That's quite odd to me, considering by today's