Re: [GROW] comments on draft-lapukhov-bgp-routing-large-dc-06

2013-09-09 Thread Jon Mitchell
Nick - thanks for your comments, [JM] inline... On 08/09/13 13:50 +0100, Nick Hilliard wrote: > On 06/09/2013 03:45, Jon Mitchell wrote: > > We would like to solicit any further comments on > > draft-lapukhov-bgp-routing-large-dc-06. Originally this draft was > > presented by Petr in Vancouver i

Re: [GROW] comments on draft-lapukhov-bgp-routing-large-dc-06

2013-09-09 Thread Petr Lapukhov
detection logic... Regards, Petr -Original Message- From: grow-boun...@ietf.org [mailto:grow-boun...@ietf.org] On Behalf Of Nick Hilliard Sent: Sunday, September 8, 2013 5:51 AM To: Jon Mitchell Cc: grow@ietf.org Subject: Re: [GROW] comments on draft-lapukhov-bgp-routing-large-dc-06 On 06/

Re: [GROW] comments on draft-lapukhov-bgp-routing-large-dc-06

2013-09-09 Thread Robert Raszuk
Hi Russ, > so I could just missing something > that prevents eBGP convergence time from coming into play here (?). As you see in this specific topology in the draft there are 16/32/64 ECMP paths so single or maybe even double failures of any node/link should not result in significant outage. It's

Re: [GROW] comments on draft-lapukhov-bgp-routing-large-dc-06

2013-09-09 Thread Russ White
> - i think you skimp over the problems associated with bgp session failure > detection / reconvergence. Mandating ebgp will get rid of the problems > associated with the traditional loopback-to-loopback configuration of most > ibgp networks, but there are still situations where dead link detecti

Re: [GROW] comments on draft-lapukhov-bgp-routing-large-dc-06

2013-09-09 Thread Robert Raszuk
Hi Nick, Some observations to your comments ... > - default route origination is a real pain in larger scale networks True statement in general. But I think DC fabric which is really the application area of this draft IMHO have slight different characteristics from large SP transit networks. In

Re: [GROW] comments on draft-lapukhov-bgp-routing-large-dc-06

2013-09-08 Thread Nick Hilliard
On 06/09/2013 03:45, Jon Mitchell wrote: > We would like to solicit any further comments on > draft-lapukhov-bgp-routing-large-dc-06. Originally this draft was > presented by Petr in Vancouver in both IDR and GROW and we feel this > draft is useful to the IETF community as it documents a working >

[GROW] comments on draft-lapukhov-bgp-routing-large-dc-06

2013-09-05 Thread Jon Mitchell
GROW WG - We would like to solicit any further comments on draft-lapukhov-bgp-routing-large-dc-06. Originally this draft was presented by Petr in Vancouver in both IDR and GROW and we feel this draft is useful to the IETF community as it documents a working scalable design for building large DC