Re: [mpls] working group last call on draft-ietf-mpls-tp-p2mp-framework
"Zhenlong Cui" <c-sai@bx.jp.nec.com> Mon, 18 November 2013 00:44 UTC
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From: Zhenlong Cui <c-sai@bx.jp.nec.com>
To: 'Lou Berger' <lberger@labn.net>, 'Gregory Mirsky' <gregory.mirsky@ericsson.com>, mpls@ietf.org
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Date: Mon, 18 Nov 2013 09:43:58 +0900
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Cc: draft-ietf-mpls-tp-p2mp-framework@tools.ietf.org
Subject: Re: [mpls] working group last call on draft-ietf-mpls-tp-p2mp-framework
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Lou, Thank you for your reply, this resolves all my comments. Best regards, zhenlong > -----Original Message----- > From: Lou Berger [mailto:lberger@labn.net] > Sent: Sunday, November 17, 2013 11:50 PM > To: Gregory Mirsky; Zhenlong Cui; mpls@ietf.org > Cc: draft-ietf-mpls-tp-p2mp-framework@tools.ietf.org > Subject: RE: [mpls] working group last call on draft-ietf-mpls-tp-p2mp-framework > > I always found this term a bit counterintuitive so am happy that it has received limited use.... > > Lou > > > On November 15, 2013 4:50:37 PM Gregory Mirsky <gregory.mirsky@ericsson.com> wrote: > > Hi Lou, et. al, > > though it might be not canonical but often "node that is both leaf and > > branch node" referred as "bud node". > > > > Regards, > > Greg > > > > -----Original Message----- > > From: mpls-bounces@ietf.org [mailto:mpls-bounces@ietf.org] On Behalf > > Of Lou Berger > > Sent: Friday, November 15, 2013 7:37 AM > > To: Zhenlong Cui; mpls@ietf.org > > Cc: draft-ietf-mpls-tp-p2mp-framework@tools.ietf.org > > Subject: Re: [mpls] working group last call on > > draft-ietf-mpls-tp-p2mp-framework > > > > > > Zhenlong, > > > > See below. I've cut topics with resolutions/agreements. > > > > On 11/14/2013 9:41 PM, Zhenlong Cui wrote: > > > Loa, > > > Thank you for your reply. Please see below for responses in-line. > > > > > >> -----Original Message----- > > >> From: Lou Berger [mailto:lberger@labn.net] > > >> Sent: Friday, November 15, 2013 1:11 AM > > >> To: Zhenlong Cui; mpls@ietf.org > > >> Cc: draft-ietf-mpls-tp-p2mp-framework@tools.ietf.org > > >> Subject: Re: [mpls] working group last call on > > draft-ietf-mpls-tp-p2mp-framework > > >> > > >> Zhenlong, > > >> > > >> Thank you for the comments. > > >> > > >> Here are your comments, as extracted from word, and my responses. > > >> (Clearly the page numbers are wrong.) > > >> > > > > [...] > > > > >> > > >>> Page 203: Inserted zc 11/14/2013 6:29:00 PM OAM Packets is sent to > > >>> all > > leaves and processed by Page 203: Deleted zc 11/14/2013 6:29:00 PM > > every OAM packet Page 203: Comment [zc4] zc 11/14/2013 8:42:00 PM I > > think that's not necessarily true. Because some on-demand OAM > > >> packets may be dropped > > >>> by intermediate node. That mean not every OAM packet is sent to leaves. > > >>> Page 203: Deleted zc 11/14/2013 6:29:00 PM is sent to all leaves, > > >>> and > > thus can impact > > >> > > >> So your point is that an intermediate node may drop an OAM packet? > > >> If > > so, yes, this is true for P2P case too. > > >> > > >> How about: > > >> DROP (redundant statement): > > >> thus every OAM packet is sent to all leaves, s/can impact/may be > > >> >> > > processed by > > > My primary concern: > > > I think there is a discrepancy between "every OAM packet is sent to > > > all > > leaves" and "To address a packet to an intermediate node in the tree, > > TTL based ..." > > > My understanding: > > > "every OAM packet is sent to all leaves" is equal to "no OAM packet > > > is > > sent to branches". > > > On the other hand, "To address a packet to an intermediate node in > > > the > > tree, TTL based ...", it seems meaning that "the root may send OAM > > packet to branches". > > > Is my understanding correct? > > > > > Okay, I understand your point. I think your reading / the text does > > not match our intent. (Which is certainly to allow for both MIP and > > MEP > > processing.) > > > > How about: > > s/to all leaves/towards all leaves > > > > Which will result in: > > All the traffic sent over a P2MP transport path, including > > OAM packets generated by a MEP, is sent (multicast) from the > > root towards all the leaves, and thus may be processed by all > > the MEs in a P2MP MEG. > > > > [...] > > > > > >> > > >>> Page 307: Deleted zc 11/14/2013 7:24:00 PM and Page 307: Inserted > > >>> zc > > >>> 11/14/2013 7:24:00 PM or Page 307: Comment [zc11] zc 11/14/2013 > > >>> 8:02:00 PM It is correct? > > >> How about: > > >> s/and/and, perhaps, > > > s/and/and? Is this a mistake? > > > My propose is s/and/or. > > > > > > > Sorry for not being clear. I was proposing the following final text: > > Fault notification happens from the node > > identifying the fault to the root node and, perhaps, from the > > leaves to the root via an out of band path. > > > > Now rereading the sentence I think I'd prefer just dropping the > > reference to leaves as it really doesn't add anything. How about: > > Fault notification happens from the node > > identifying the fault to the root node via an out of band path. > > > > And also dropping "In either case" immediately following to align the > > next sentence. > > > > That's it. Thank you again for your comments. > > > > Lou > > > > > Best regards, > > > zhenlong > > > [...] > > _______________________________________________ > > mpls mailing list > > mpls@ietf.org > > https://www.ietf.org/mailman/listinfo/mpls > > >
- [mpls] working group last call on draft-ietf-mpls… Loa Andersson
- Re: [mpls] working group last call on draft-ietf-… Zhenlong Cui
- [mpls] Closed : working group last call on draft-… Loa Andersson
- Re: [mpls] working group last call on draft-ietf-… Lou Berger
- Re: [mpls] working group last call on draft-ietf-… Zhenlong Cui
- Re: [mpls] working group last call on draft-ietf-… Lou Berger
- Re: [mpls] working group last call on draft-ietf-… Lou Berger
- Re: [mpls] working group last call on draft-ietf-… Zhenlong Cui
- Re: [mpls] working group last call on draft-ietf-… Lou Berger
- Re: [mpls] working group last call on draft-ietf-… Zhenlong Cui
- Re: [mpls] working group last call on draft-ietf-… Lou Berger
- Re: [mpls] working group last call on draft-ietf-… Gregory Mirsky
- Re: [mpls] working group last call on draft-ietf-… Gregory Mirsky
- Re: [mpls] working group last call on draft-ietf-… Lou Berger
- Re: [mpls] working group last call on draft-ietf-… Lou Berger
- Re: [mpls] working group last call on draft-ietf-… Gregory Mirsky
- Re: [mpls] working group last call on draft-ietf-… Zhenlong Cui