Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-09-09 Thread Aijun Wang
:08 PM To: Aijun Wang Cc: Les Ginsberg (ginsberg) ; Gyan Mishra ; Peter Psenak ; Huzhibo ; Aijun Wang ; lsr ; Acee Lindem (acee) ; Xiaoyaqun ; Tony Przygienda Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Hi, Intra area ?

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-09-09 Thread Robert Raszuk
s Ginsberg (ginsberg) ; Gyan Mishra < > hayabusa...@gmail.com>; Peter Psenak ; > Huzhibo ; Aijun Wang ; lsr < > lsr@ietf.org>; Acee Lindem (acee) ; Xiaoyaqun < > xiaoya...@huawei.com>; Tony Przygienda > *Subject:* Re: [Lsr] New Version Notification for > draft-wang-

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-09-08 Thread Aijun Wang
(acee) ; Xiaoyaqun ; Tony Przygienda Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Hi Aijun, > the BGP next-hop is reachable Nope you missed the crux of the message. The next hop will be unreachable in the source area/le

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-09-07 Thread Robert Raszuk
> *Robert > Raszuk > *Sent:* Monday, September 7, 2020 4:54 PM > *To:* Aijun Wang > *Cc:* Les Ginsberg (ginsberg) ; Gyan Mishra < > hayabusa...@gmail.com>; Peter Psenak ; > Huzhibo ; Aijun Wang ; lsr < > lsr@ietf.org>; Acee Lindem (acee) ; Xiaoyaqun < > xiao

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-09-07 Thread Aijun Wang
; Huzhibo ; Aijun Wang ; lsr ; Acee Lindem (acee) ; Xiaoyaqun ; Tony Przygienda Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Hi Aijun, [WAJ] If necessary, we can advertise the MAX_T_PUA(configurable time for the hold of PUA information

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-09-07 Thread Robert Raszuk
Hi Aijun, > *[WAJ] If necessary, we can advertise the MAX_T_PUA(configurable time for > the hold of PUA information on the nodes) among the area.* > > *If one node connect to the network after the disappearance of the PUA > destination, there will be no services can be established/run on these >

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-09-06 Thread Aijun Wang
; Tony Przygienda ; Aijun Wang ; Robert Raszuk ; Huzhibo ; Aijun Wang ; Peter Psenak ; lsr ; Xiaoyaqun Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Agreed that Rift negative disaggregation and PUA proposed are in no way comparable.

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-09-04 Thread Gyan Mishra
> > I am trying to understand wage gap exists and what we are trying to solve > related to summarization in the context of IPv6. Both IPv4 and IPV6 > summarization operates the similarly as far as the requirement of at > minimum a single component route within the summary ran

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-09-04 Thread Acee Lindem (acee)
To: Aijun Wang Cc: Gyan Mishra ; Robert Raszuk ; Huzhibo ; Aijun Wang ; Peter Psenak ; lsr ; Acee Lindem (acee) ; Xiaoyaqun Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt I read the draft since the longish thread triggered my interest. As

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-09-04 Thread Les Ginsberg (ginsberg)
; Huzhibo ; Aijun Wang ; Peter Psenak ; lsr ; Acee Lindem (acee) ; Xiaoyaqun Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt I read the draft since the longish thread triggered my interest. As Peter said very thin ice walking with magic

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-09-04 Thread Tony Przygienda
6, 2020 4:44 PM > *To:* Aijun Wang > *Cc:* Peter Psenak ; Robert Raszuk < > rob...@raszuk.net>; Huzhibo ; Aijun Wang < > wang...@chinatelecom.cn>; lsr ; Acee Lindem (acee) < > a...@cisco.com>; Xiaoyaqun > *Subject:* Re: [Lsr] New Version Notification for > d

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-09-04 Thread Gyan Mishra
sent in the RIB before the summary can be advertised. > > > > Kind Regards > > > > Gyan > > > > On Tue, Aug 4, 2020 at 11:25 PM Aijun Wang > wrote: > > Hi, Robert: > > > > *From:* lsr-boun...@ietf.org [mailto:lsr-boun...@ietf.org]

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-08-24 Thread Aijun Wang
...@ietf.org] On Behalf Of Gyan Mishra Sent: Thursday, August 6, 2020 4:44 PM To: Aijun Wang Cc: Peter Psenak ; Robert Raszuk ; Huzhibo ; Aijun Wang ; lsr ; Acee Lindem (acee) ; Xiaoyaqun Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Hi

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-08-06 Thread Gyan Mishra
i.com> > *Subject:* Re: [Lsr] New Version Notification for > draft-wang-lsr-prefix-unreachable-annoucement-03.txt > > > > [WAJ] Such information is for underlay link state and should be flooded > via IGP? The ambiguity arises from IGP summary behavior and should be > solved by

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-08-04 Thread Aijun Wang
Hi, Robert: From: lsr-boun...@ietf.org [mailto:lsr-boun...@ietf.org] On Behalf Of Robert Raszuk Sent: Friday, July 31, 2020 6:21 PM To: Aijun Wang Cc: Peter Psenak ; Huzhibo ; Aijun Wang ; lsr ; Acee Lindem (acee) ; Xiaoyaqun Subject: Re: [Lsr] New Version Notification for draft-wang

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-31 Thread Robert Raszuk
> > [WAJ] Such information is for underlay link state and should be flooded > via IGP? The ambiguity arises from IGP summary behavior and should be > solved by itself? > Well if we look at this problem from a distance while on surface it seems like an IGP issue (not to mention some which use BGP

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Aijun Wang
Hi, Acee: Aijun Wang China Telecom > On Jul 31, 2020, at 01:45, Acee Lindem (acee) wrote: > >  > On 7/30/20, 1:31 PM, "Lsr on behalf of Acee Lindem (acee)" > wrote: > > > >On 7/30/20, 12:37 PM, "Lsr on behalf of Peter Psenak" > wrote: > >>On 30/07/2020 18:03, Acee Lindem

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Aijun Wang
; >> >> >> -- >> 胡志波 Hu Zhibo >> Mobile: +86-18618192287 >> Email: huzh...@huawei.com >> >> 发件人:Acee Lindem (acee) >> 收件人:Peter Psenak ;Robert Raszuk >> >> 抄 送:Aijun Wang ;X

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Acee Lindem (acee)
On 7/30/20, 1:31 PM, "Lsr on behalf of Acee Lindem (acee)" wrote: On 7/30/20, 12:37 PM, "Lsr on behalf of Peter Psenak" wrote: On 30/07/2020 18:03, Acee Lindem (acee) wrote: > So, how do we define a reachable route - is it any route subsumed by the summary LSA that we

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Acee Lindem (acee)
On 7/30/20, 12:37 PM, "Lsr on behalf of Peter Psenak" wrote: On 30/07/2020 18:03, Acee Lindem (acee) wrote: > So, how do we define a reachable route - is it any route subsumed by the summary LSA that we knew about in the past that becomes unreachable? When the PUA is withdrawn, how

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Acee Lindem (acee)
Hi Zhibo, From: Lsr on behalf of Huzhibo Date: Thursday, July 30, 2020 at 12:14 PM To: Acee Lindem , Peter Psenak , Robert Raszuk Cc: lsr , Aijun Wang , Xiaoyaqun , Aijun Wang Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt HI acee

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Huzhibo
Wang mailto:wang...@chinatelecom.cn>>;Xiaoyaqun mailto:xiaoya...@huawei.com>>;Huzhibo mailto:huzh...@huawei.com>>;Aijun Wang mailto:wangai...@tsinghua.org.cn>>;lsr mailto:lsr@ietf.org>> 时 间:2020-07-31 00:04:02 主 题:Re: [Lsr] New Version Notification for draft-wa

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Robert Raszuk
- > 胡志波 Hu Zhibo > Mobile: +86-18618192287 > Email: huzh...@huawei.com > *发件人:*Acee Lindem (acee) > *收件人:*Peter Psenak ;Robert Raszuk < > rob...@raszuk.net> > *抄 送:*Aijun Wang ;Xiaoyaqun > ;Huzhibo > ;Aijun Wang ;lsr < > lsr@ietf.org> > *时 间:*202

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Peter Psenak
On 30/07/2020 18:03, Acee Lindem (acee) wrote: So, how do we define a reachable route - is it any route subsumed by the summary LSA that we knew about in the past that becomes unreachable? When the PUA is withdrawn, how do we know whether it is because of expiration of the interval or the

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Huzhibo
Lindem (acee) 收件人:Peter Psenak ;Robert Raszuk 抄 送:Aijun Wang ;Xiaoyaqun ;Huzhibo ;Aijun Wang ;lsr 时 间:2020-07-31 00:04:02 主 题:Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt So, how do we define a reachable route - is it any route subsumed by the s

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Acee Lindem (acee)
So, how do we define a reachable route - is it any route subsumed by the summary LSA that we knew about in the past that becomes unreachable? When the PUA is withdrawn, how do we know whether it is because of expiration of the interval or the route becoming reachable again? This is a slippery

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Peter Psenak
On 30/07/2020 16:30, Robert Raszuk wrote: Hey Peter, Not sure how smart you really want to be here but keep in mind that BGP say option C may never hear about it all the way to the egress PE in other domain or area ... It is almost always incongruent with IGP. So if the BGP path is

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Robert Raszuk
Hey Peter, Not sure how smart you really want to be here but keep in mind that BGP say option C may never hear about it all the way to the egress PE in other domain or area ... It is almost always incongruent with IGP. So if the BGP path is installed it will indeed be at risk to resolve via less

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Peter Psenak
On 30/07/2020 16:14, Robert Raszuk wrote: > 2:For bgp example,when the pe node down,the bgp peer must down within > 30 mintus,It will not get it up via cancle advertise pua. for the above it is sufficient to advertise the unreachability for few seconds from each ABR

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Robert Raszuk
> > 2:For bgp example,when the pe node down,the bgp peer must down within > > 30 mintus,It will not get it up via cancle advertise pua. > > for the above it is sufficient to advertise the unreachability for few > seconds from each ABR independently. That would be a much more solid > proposal.

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Huzhibo
:Aijun Wang ;lsr ;Xiaoyaqun 时 间:2020-07-30 21:32:45 主 题:Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Hi Zhibo, On 30/07/2020 15:18, Huzhibo wrote: > HI Peter: > > 1:No problem is a problem that never can be proved. > > 2:For bgp exa

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Peter Psenak
*收件人:*Huzhibo ;Aijun Wang *抄 送:*Aijun Wang ;lsr ;Xiaoyaqun *时 间:*2020-07-30 21:02:49 *主 题:*Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Huzhibo, On 30/07/2020 14:49, Huzhibo wrote: Hi peter: On 30/07/2020 14:28, Aijun Wang wrote: Hi, Peter:

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Huzhibo
: huzh...@huawei.com<mailto:huzh...@huawei.com> 发件人:Peter Psenak 收件人:Huzhibo ;Aijun Wang 抄 送:Aijun Wang ;lsr ;Xiaoyaqun 时 间:2020-07-30 21:02:49 主 题:Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Huzhibo, On 30/07/2020 14:49, Huzhibo wrote:

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Peter Psenak
Huzhibo, On 30/07/2020 14:49, Huzhibo wrote: Hi peter: On 30/07/2020 14:28, Aijun Wang wrote: Hi, Peter: Aijun Wang China Telecom On Jul 30, 2020, at 20:00, Peter Psenak wrote: Hi Aijun, On 30/07/2020 13:44, Aijun Wang wrote: Hi, Peter: Currently, we have the following consideration:

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Huzhibo
Hi peter: On 30/07/2020 14:28, Aijun Wang wrote: > Hi, Peter: > > Aijun Wang > China Telecom > >> On Jul 30, 2020, at 20:00, Peter Psenak wrote: >> >> Hi Aijun, >> >>> On 30/07/2020 13:44, Aijun Wang wrote: >>> Hi, Peter: >>> Currently, we have the following consideration: >>> 1. If not all

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Peter Psenak
Aijun, On 30/07/2020 14:28, Aijun Wang wrote: Hi, Peter: Aijun Wang China Telecom On Jul 30, 2020, at 20:00, Peter Psenak wrote: Hi Aijun, On 30/07/2020 13:44, Aijun Wang wrote: Hi, Peter: Currently, we have the following consideration: 1. If not all of the ABRs announce the

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Aijun Wang
Hi, Peter: Aijun Wang China Telecom > On Jul 30, 2020, at 20:00, Peter Psenak wrote: > > Hi Aijun, > >> On 30/07/2020 13:44, Aijun Wang wrote: >> Hi, Peter: >> Currently, we have the following consideration: >> 1. If not all of the ABRs announce the unreachability of the specified >>

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Peter Psenak
Hi Aijun, On 30/07/2020 13:44, Aijun Wang wrote: Hi, Peter: Currently, we have the following consideration: 1. If not all of the ABRs announce the unreachability of the specified prefix(the specified prefix is still up), such PUA information will continue advertising by the unreachable ABRs.

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Aijun Wang
Hi, Peter: Currently, we have the following consideration: 1. If not all of the ABRs announce the unreachability of the specified prefix(the specified prefix is still up), such PUA information will continue advertising by the unreachable ABRs. 2. If all of the ABRs announce the PUA of the

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-30 Thread Peter Psenak
Hi Ajun, one additional problem on top of others that have been mentioned is how are you going to get rid of "old" un-reachability announcements/ Let's imagine you have the following prefixes in your area 1: - 10.10.0.1/32 - 10.0.0.255/32 - used for loopback adresses - 10.10.1.0/30 -

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-29 Thread Robert Raszuk
h...@huawei.com>; Xiaoyaqun > *Subject:* Re: [Lsr] New Version Notification for > draft-wang-lsr-prefix-unreachable-annoucement-03.txt > > > > Hello Acee, > > > > I would like to question your assessment that signalling unreachable > routes is unnecessary. > > &g

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-29 Thread Aijun Wang
for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Hello Acee, I would like to question your assessment that signalling unreachable routes is unnecessary. Imagine hierarchical network with areas. Under no failures area 1 advertises to area 0 summary LSA with 1.1.1.0/24 <h

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-29 Thread Aijun Wang
Subject: RE: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt From: Acee Lindem (acee) [mailto:a...@cisco.com] An interesting encoding – note that the draft doesn’t use it for forwarding. [Bruno] Agreed that the distinction between routing

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-29 Thread Aijun Wang
Hi, Acee: From: a...@cisco.com [mailto:a...@cisco.com] Sent: Tuesday, July 28, 2020 9:22 PM To: Aijun Wang ; 'Aijun Wang' ; lsr@ietf.org Cc: 'Zhibo Hu' ; 'Yaqun Xiao' Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Hi Aijun, You

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-29 Thread Huzhibo
:18 PM To: Acee Lindem (acee) Cc: Aijun Wang ; lsr@ietf.org; Huzhibo ; Xiaoyaqun Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Hello Acee, I would like to question your assessment that signalling unreachable routes is unnecessary. Imagine

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-29 Thread Huzhibo
, 2020 9:24 PM To: Huzhibo ; Aijun Wang ; lsr@ietf.org Cc: Xiaoyaqun Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt See my response to Aijun... Please provide topologies where the section 6.1 solution doesn't work. Acee On 7/27/20, 10:03 PM

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-28 Thread bruno.decraene
, "lsr@ietf.org<mailto:lsr@ietf.org>" mailto:lsr@ietf.org>> Subject: RE: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Another data point about advertising more detailed reachability/unreachability: https://tools.ietf.org/html/draft-swallow-

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-28 Thread Acee Lindem (acee)
.@ietf.org] On Behalf Of Robert Raszuk Sent: Tuesday, July 28, 2020 11:18 AM To: Acee Lindem (acee) Cc: Aijun Wang ; Zhibo Hu ; Yaqun Xiao ; lsr@ietf.org Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Hello Acee, I would like to question your

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-28 Thread Acee Lindem (acee)
ew Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Speaking as an LSR Working Group member: Asking the WG precisely how to advertise prefix unreachability is the wrong question - it is analogous to asking whether to use a car or truck to drive off the edge of a cli

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-28 Thread Acee Lindem (acee)
: Aijun Wang Date: Monday, July 27, 2020 at 9:57 PM To: Acee Lindem , 'Aijun Wang' , "lsr@ietf.org" Cc: 'Zhibo Hu' , 'Yaqun Xiao' Subject: RE: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Hi, Acee: Let me try to answer your concerns.

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-28 Thread bruno.decraene
28, 2020 11:18 AM To: Acee Lindem (acee) Cc: Aijun Wang ; Zhibo Hu ; Yaqun Xiao ; lsr@ietf.org Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Hello Acee, I would like to question your assessment that signalling unreachable routes

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-28 Thread Robert Raszuk
Hello Acee, I would like to question your assessment that signalling unreachable routes is unnecessary. Imagine hierarchical network with areas. Under no failures area 1 advertises to area 0 summary LSA with 1.1.1.0/24. That block covers PE's loopbacks which within the area are /32s. Those

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-27 Thread Huzhibo
, 2020 1:51 AM To: Aijun Wang ; lsr@ietf.org Cc: Huzhibo ; Xiaoyaqun Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Speaking as an LSR Working Group member: Asking the WG precisely how to advertise prefix unreachability is the wrong question

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-27 Thread Aijun Wang
: Tuesday, July 28, 2020 1:51 AM To: Aijun Wang ; lsr@ietf.org Cc: 'Zhibo Hu' ; 'Yaqun Xiao' Subject: Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt Speaking as an LSR Working Group member: Asking the WG precisely how to advertise prefix

Re: [Lsr] New Version Notification for draft-wang-lsr-prefix-unreachable-annoucement-03.txt

2020-07-27 Thread Acee Lindem (acee)
Speaking as an LSR Working Group member: Asking the WG precisely how to advertise prefix unreachability is the wrong question - it is analogous to asking whether to use a car or truck to drive off the edge of a cliff. Rather than messing up OSPF and IS-IS with these complex and unnecessary