Tom: Thank you for the pointer to your earlier message. What do you think of Lada's suggestion of "draft-ietf-netmod-routing-cfg-15, section 5.3 (and 5.2)"?
Sue -----Original Message----- From: t.petch [mailto:[email protected]] Sent: Tuesday, June 17, 2014 11:33 AM To: Susan Hares; 'Ladislav Lhotka' Cc: 'Jeffrey Haas'; [email protected]; 'Edward Crabbe' Subject: Re: [i2rs] draft-white-i2rs-use-case-05.txt has been posted Sue Probably best to do it yourself. I did offer a reprise of previous IETF work in http://www.ietf.org/mail-archive/web/netmod/current/msg07022.html but it did not gain traction in NETMOD, so I would not expect it to here. Tom Petch ----- Original Message ----- From: "Susan Hares" <[email protected]> To: "'t.petch'" <[email protected]>; "'Ladislav Lhotka'" <[email protected]> Cc: "'Jeffrey Haas'" <[email protected]>; <[email protected]>; "'Edward Crabbe'" <[email protected]> Sent: Tuesday, June 17, 2014 4:23 PM Subject: RE: [i2rs] draft-white-i2rs-use-case-05.txt has been posted > Lada and Tom: > > You've convinced me that I should define the term RIB and FIB in the > draft-white-i2rs-use-case-05. Would you like to suggest any text? > Otherwise give me a day or so to come up with text for this draft. > > Sue > > -----Original Message----- > From: i2rs [mailto:[email protected]] On Behalf Of t.petch > Sent: Tuesday, June 17, 2014 4:55 AM > To: Ladislav Lhotka > Cc: Jeffrey Haas; [email protected]; Edward Crabbe; Susan Hares > Subject: Re: [i2rs] draft-white-i2rs-use-case-05.txt has been posted > > ----- Original Message ----- > From: "Ladislav Lhotka" <[email protected]> > To: "t.petch" <[email protected]> > Sent: Friday, June 13, 2014 1:11 PM > > > > On 13 Jun 2014, at 13:49, t.petch <[email protected]> wrote: > > > ---- Original Message ----- > > > From: "Susan Hares" <[email protected]> > > Sent: Thursday, June 12, 2014 11:26 PM > > > > > >> I've posted a version of white-i2rs-use-case-05 with the > > > recommendations at the front of the document. I look forward to > > > additional comments. I appreciate Tom Petch and Dean B.'s comments > on > > > these drafts. > > > > > > Sue > > > > > > I am flattered; I am not sure that I deserve such mention. > > > > > > I am more interested in the use cases part of the I-D, seeing > > > requirements and info-model as the next stage when use cases are > agreed, > > > and they look fine (perhaps /may Data Centers/many Data Centers/). > > > > > > I note the reference to ISIS which I find significant. My > experience is > > > more of OSPF but appreciate that that is rare with Operators. > However, > > > both are Link State and so very different to BGP which makes me > think > > > about the use of RIB. The NETMOD routing-cfg started with RIBs, > dropped > > > them and then reinstated them (after consulting with I2RS), whereas > for > > > me, RIBs are BGP (as defined in RFC4271) and OSPF has an equivalent > in > > > LSDB, which is very different in detail (as much research as Lada > has > > > done across three differing platforms, I am not certain that the > NETMOD > > > has sufficient routing expertise to get this perfect:-(. > > > > > > I think you need a definition of RIB, perhaps by a Normative > reference > > > to rib-info-model, but for me that leaves unclear the relationship > > > between routing instance, routing protocol and RIB, at least when > you > > > get into requirements. > > > > Sounds like recurring deja vu: > > > > - http://www.ietf.org/mail-archive/web/i2rs/current/msg00554.html > > > > - http://www.ietf.org/mail-archive/web/i2rs/current/msg00586.html > > > or, once again with feeling, > > http://www.ietf.org/mail-archive/web/netmod/current/msg07022.html > > Tom Petch > > > > > Lada > > > > > > > > Likewise, this I-D is cast in terms of a table identifier and a > route > > > process identifier, whereas routing-cfg has routing-instance [name] > > > with router-id, ribs, interfaces, routing-protocols etc I have a > sense > > > of two divergent models of what a router is for all the discussions. > > > > > > REQ1 last sentence should probably include removing process > > > > > > REQ2 I think is about source-based routing but it does not quite say > > > that, rather reading as if source or destination routing were > equally > > > valid options > > > > > > REQ3 again the wording seems odd - I think you mean that traffic > with a > > > given destination (or source?) prefix should be discarded, but that > is > > > not what it says > > > > > > REQ4 I find vague, as I do anything with the word policy in it:-( > > > Something concrete (communities, MED, ...) would help > > > > > > REQ6 makes me wonder what is a RIB when it is not local > > > > > > REQ8 seems all embracing (SNMP, DHCP, NTP ...?:-) - I would like > > > something more concrete. Again, I wonder if it is technically > possible > > > to present information in a consistent manner given the difference > in > > > underlying concepts of protocols. > > > > > > REQ9 - again all embracing and as such, probably impossible, at > least as > > > written. Limiting it just to BGP and a link-state protocol, again > that > > > seems challenging. > > > > > > REQ10 - policies again, and it is unclear who is doing the time > > > management. Some configuration protocols do have timer-based > > > facilities, but not NETCONF; do you mean here that I2RS must have > > > functionality based on timers (e.g. between 08:00 and 17:00 EDT, > route > > > this via Europe and Japan?) > > > > > > Tom Petch > > > > > >> > > >> URL: > > > http://www.ietf.org/internet-drafts/draft-white-i2rs-use-case-05.txt > > >> > > >> Sue Hares > > >> > > Ladislav Lhotka, CZ.NIC Labs > > PGP Key ID: E74E8C0C > > > > > > > > > > _______________________________________________ > i2rs mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/i2rs > _______________________________________________ i2rs mailing list [email protected] https://www.ietf.org/mailman/listinfo/i2rs
