per.net]
> *Sent:* Wednesday, May 10, 2023 3:53 AM
> *To:* Dongjie (Jimmy)
> *Cc:* linchangwang ; Acee Lindem <
> acee.i...@gmail.com>; Peter Psenak ; 程伟强 <
> chengweiqi...@chinamobile.com>; Louis Chan ; Les
> Ginsberg (ginsbe ; lsr ; Robert Raszuk <
> rob...@raszu
ter Psenak
Sent: Friday, April 14, 2023 10:38 PM
To: Louis Chan ; Weiqiang Cheng ; 'Peter Psenak'
; 'linchangwang' ; 'Les Ginsberg
(ginsbe' ; 'Acee Lindem'
Cc: 'lsr' ; Krzysztof Szarkowicz
Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex-Algorithm
[External Email. B
al Message-
From: Peter Psenak
Sent: Friday, April 14, 2023 10:38 PM
To: Louis Chan ; Weiqiang Cheng
; 'Peter Psenak'
; 'linchangwang'
; 'Les Ginsberg (ginsbe' ;
'Acee Lindem'
Cc: 'lsr' ; Krzysztof Szarkowicz
Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex
s
Louis
-Original Message-
From: Peter Psenak
Sent: Friday, April 14, 2023 7:03 PM
To: Weiqiang Cheng ; 'Peter Psenak'
; Louis Chan ; 'linchangwang'
; 'Les Ginsberg (ginsbe' ; 'Acee Lindem'
Cc: 'lsr' ; Krzysztof Szarkowicz
Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertis
you referring to? Could you give an example to
>>> illustrate you concern?
>>
>> there are many TE attributes flooded for TE purposes, e.g.,
>> reserved/unreserved bandwidth (per pool), SRLGs, affinities, ...
>>
>> You are picking Ajd-SID, but that is not th
'; 'Krzysztof Szarkowicz'
主题: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex-Algorithm
Weiqiang,
On 14/04/2023 12:28, Weiqiang Cheng wrote:
Hi Peter,
As far as I know, Flex Algo is not really deployed by operators by now, mainly
because of the scalability concerns.
I
Psenak'; 'Louis Chan'; 'linchangwang'; 'Les
Ginsberg (ginsbe'; 'Acee Lindem'
抄送: 'lsr'; 'Krzysztof Szarkowicz'
主题: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex-Algorithm
Weiqiang,
On 14/04/2023 12:28, Weiqiang Cheng wrote:
> Hi Peter,
> As far as I know, Fle
Peter Psenak
发送时间: 2023年4月14日 16:51
收件人: Louis Chan; linchangwang; 程伟强; Les Ginsberg (ginsbe; Acee Lindem
抄送: lsr; Krzysztof Szarkowicz
主题: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex-Algorithm
Louis,
On 14/04/2023 10:25, Louis Chan wrote:
Hi Peter,
I do not think we
gt; Rgds
> Louis
>
> -Original Message-
> From: Peter Psenak
> Sent: Friday, April 14, 2023 3:32 PM
> To: Louis Chan ; linchangwang
> ; 程伟强 ; Les
> Ginsberg (ginsbe ; Acee Lindem
> Cc: lsr ; Krzysztof Szarkowicz
> Subject: Re: [Lsr] IETF-116 LSR - IGP ext
2023 3:32 PM
To: Louis Chan ; linchangwang ; 程伟强
; Les Ginsberg (ginsbe ; Acee Lindem
Cc: lsr ; Krzysztof Szarkowicz
Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex-Algorithm
[External Email. Be cautious of content]
Louis,
On 14/04/2023 07:38, Louis Chan wro
Rgds
Louis
-Original Message-
From: Peter Psenak
Sent: Friday, April 14, 2023 3:32 PM
To: Louis Chan ; linchangwang ;
程伟强 ; Les Ginsberg (ginsbe ;
Acee Lindem
Cc: lsr ; Krzysztof Szarkowicz
Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex-Algorithm
[Exte
: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex-Algorithm
[External Email. Be cautious of content]
Loius,
there are many reasons why we need to advertise additional data for adjacency -
TE being a major one. You are trying to optimize the Adj-SID only, which is not
the major
> advertisement is better.
> And I assume this draft with offset would also reduce the refresh requirement.
>
> Rgds
> Louis
>
> -----Original Message-
> From: Peter Psenak
> Sent: Wednesday, April 12, 2023 11:26 PM
> To: linchangwang ; 程伟强
> ; Louis Chan ; Les
&
gt; *To:* Louis Chan
> *Cc:* linchangwang ; Peter Psenak <
> ppse...@cisco.com>; 程伟强 ; Les Ginsberg
> (ginsbe ; Acee Lindem ; lsr <
> lsr@ietf.org>; Krzysztof Szarkowicz
> *Subject:* Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
> forFlex-Algorithm
senak ; Louis Chan ;
> 程伟强 ; Les Ginsberg (ginsbe <
> ginsb...@cisco.com>; Acee Lindem
> Cc: lsr ; Krzysztof Szarkowicz
> Subject: RE: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
> forFlex-Algorithm
>
> [External Email. Be cautious of content]
>
&
Szarkowicz
Subject: RE: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex-Algorithm
[External Email. Be cautious of content]
Hi Peter ,
I don't agree that adj sid is not a major contributor.
Specifically, we can look at the following two scenarios:
1) flex-algo scenarios:
When
obert Raszuk
> *Cc:* linchangwang ; Acee Lindem <
> acee.i...@gmail.com>; Peter Psenak ; 程伟强 <
> chengweiqi...@chinamobile.com>; Louis Chan ; Les
> Ginsberg (ginsbe ; lsr
> *Subject:* Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
> forFlex-Algorithm
&
; Louis Chan ; Les Ginsberg
(ginsbe ; lsr
Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex-Algorithm
Hi,
It is the question, if we could for example have more than 20 (e.g. 200), for
200 different service bandwidth guarantees (but having only one - or handful -
SPF
(RD); 程伟强; Les Ginsberg (ginsbe; Acee Lindem
Cc: lsr; Krzysztof Szarkowicz
Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex-Algorithm
Loius,
there are many reasons why we need to advertise additional data for
adjacency - TE being a major one. You are trying
wang
> ; 程伟强
> ; Les Ginsberg (ginsbe
> ; Acee Lindem
> Cc: lsr ; Krzysztof Szarkowicz
> Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
> forFlex-Algorithm
>
> Hi Peter/all,
>
> Here I do a simple analysis on this scaling issue.
>
> 1.
e Lindem
Cc: lsr; Krzysztof Szarkowicz
Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising
Offset forFlex-Algorithm
Weiqiang,
please see inline (##PP):
On 12/04/2023 12:05, 程伟强 wrote:
Hi Louis and Les,
My two cents from operator perspective.
We've met the same problem when applyin
ter Psenak
Sent: Thursday, April 13, 2023 4:35 PM
To: Louis Chan ; Ketan Talaulikar
Cc: Krzysztof Szarkowicz ; Robert Raszuk
; linchangwang ; Acee Lindem
; 程伟强 ; Les Ginsberg
(ginsbe ; lsr
Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex-Algorithm
[Exte
g ; 程伟强
; Louis Chan ; Les Ginsberg
(ginsbe ; Acee Lindem
Cc: lsr ; Krzysztof Szarkowicz
Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex-Algorithm
[External Email. Be cautious of content]
Hi Changwang,
please see inline ##PP3:
On 12/04/2023 16:46, linchangwang
mailto:chengweiqi...@chinamobile.com>>; Louis Chan
mailto:lou...@juniper.net>>; Les Ginsberg
(ginsbe mailto:ginsb...@cisco.com>>; lsr
mailto:lsr@ietf.org>>
*Subject:* Re: [Lsr] IETF-116 LSR - IGP extensions for
Advertising Offset forFlex-A
likar
> *Sent:* Thursday, April 13, 2023 12:02 PM
> *To:* Louis Chan
> *Cc:* Krzysztof Szarkowicz ; Robert Raszuk <
> rob...@raszuk.net>; linchangwang ; Acee
> Lindem ; Peter Psenak ; 程伟强 <
> chengweiqi...@chinamobile.com>; Les Ginsberg (ginsbe ;
> lsr
> *Subjec
> *Sent:* Thursday, April 13, 2023 12:06 AM
> *To:* Krzysztof Szarkowicz
> *Cc:* Robert Raszuk ; linchangwang <
> linchangwang.04...@h3c.com>; Acee Lindem ; Peter
> Psenak ; 程伟强 ; Louis
> Chan ; Les Ginsberg (ginsbe ; lsr
>
> *Subject:* Re: [Lsr] IETF-116 LSR - IGP
lto:lsr-boun...@ietf.org
<mailto:lsr-boun...@ietf.org>] On Behalf Of Peter Psenak
Sent: Wednesday, April 12, 2023 7:10 PM
To: 程伟强; Louis Chan; Les Ginsberg (ginsbe; Acee Lindem
Cc: lsr; Krzysztof Szarkowicz
Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertisin
refresh all LSPs at the same time.
>>>
>>>
>>> So we need to optimize on the control surface to save LSP space.
>>>
>>>
>>> ##PP2
>>> with all the respect, I don't agree. The problem as you described it
>>> does not exist.
>>&
;>> So we need to optimize on the control surface to save LSP space.
>>>
>>>
>>>##PP2
>>>with all the respect, I don't agree. The problem as you described
>>>it does not exist.
>>>
>>>
>>>
>&g
Acee Lindem [mailto:acee.i...@gmail.com]
>> *Sent:* Wednesday, April 12, 2023 10:12 PM
>> *To:* Peter Psenak
>> *Cc:* linchangwang (RD); 程伟强; Louis Chan; Les Ginsberg (ginsbe; lsr;
>> Krzysztof Szarkowicz
>> *Subject:* Re: [Lsr] IETF-116 LSR - IGP extensions for Adver
ailto:acee.i...@gmail.com]
>> *Sent:* Wednesday, April 12, 2023 10:12 PM
>> *To:* Peter Psenak
>> *Cc:* linchangwang (RD); 程伟强; Louis Chan; Les Ginsberg (ginsbe; lsr;
>> Krzysztof Szarkowicz
>> *Subject:* Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising
&g
r-boun...@ietf.org>] On Behalf Of Peter Psenak
Sent: Wednesday, April 12, 2023 7:10 PM
To: 程伟强; Louis Chan; Les Ginsberg (ginsbe; Acee Lindem
Cc: lsr; Krzysztof Szarkowicz
Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising
Offset forFlex-Algorithm
Weiq
*发送时间：*2023-04-12 10:45:56
*主题：*Re: [Lsr] IETF-
116 LSR - IGP extensions for Advertising Offset forFlex-Algorithm
Hi Les,
Thanks for the prompt reply. Please see inline for clarification [lc2].
/Louis
*From:* Les Ginsberg (ginsberg)
*Sent:* Tuesday, A
s,
>
> Changwang lin
>
>
>
> *From:* Acee Lindem [mailto:acee.i...@gmail.com]
> *Sent:* Wednesday, April 12, 2023 10:12 PM
> *To:* Peter Psenak
> *Cc:* linchangwang (RD); 程伟强; Louis Chan; Les Ginsberg (ginsbe; lsr;
> Krzysztof Szarkowicz
> *Subject:* Re: [Lsr] IETF-116 LS
> Number of LSPs in the entire network: 140 * 20 * 32 * 200/1497=12000 LSPs
>
> The performance of IGP has always been affected by the size of the entire
> network's LSDB,
> and even if the periodic flooding time is reduced, there will still be
> convergence issues.
How total number of LSPs in
-
From: Lsr [mailto:lsr-boun...@ietf.org] On Behalf Of Peter Psenak
Sent: Wednesday, April 12, 2023 7:10 PM
To: 程伟强; Louis Chan; Les Ginsberg (ginsbe; Acee Lindem
Cc: lsr; Krzysztof Szarkowicz
Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
forFlex-Algorithm
Weiqiang
2, 2023 7:10 PM
> To: 程伟强; Louis Chan; Les Ginsberg (ginsbe; Acee Lindem
> Cc: lsr; Krzysztof Szarkowicz
> Subject: Re: [Lsr] IETF-116 LSR - IGP extensions for Advertising Offset
> forFlex-Algorithm
>
> Weiqiang,
>
> please see inline (##PP):
>
> On 12/04/2023 12:05, 程
d idea.
>
> thanks,
> Peter
>
>> thanks,
>> Changwang lin
>> -Original Message-
>> From: Lsr [mailto:lsr-boun...@ietf.org] On Behalf Of Peter Psenak
>> Sent: Wednesday, April 12, 2023 7:10 PM
>> To: 程伟强; Louis Chan; Les Ginsberg (ginsbe;
3-04-12 10:45:56
*主题：*Re: [Lsr] IETF-
116 LSR - IGP extensions for Advertising Offset forFlex-Algorithm
Hi Les,
Thanks for the prompt reply. Please see inline for clarification [lc2].
/Louis
*From:* Les Ginsberg (ginsberg)
*Sent:* Tuesday, April 11, 2023 11:03 PM
*lsr ,Krzysztof Szarkowicz ,Weiqiang
Cheng
*发送时间：*2023-04-12 10:45:56
*主题：*Re: [Lsr] IETF-
116 LSR - IGP extensions for Advertising Offset forFlex-Algorithm
Hi Les,
Thanks for the prompt reply. Please see inline for clarification [lc2].
/Louis
*From:* Les Gi
抄 送:
lsr ,Krzysztof Szarkowicz ,Weiqiang
Cheng 发送时间：2023-04-12 10:45:56主题：Re: [Lsr]
IETF-116 LSR - IGP extensions for Advertising Offset forFlex-Algorithm
Hi Les,
Thanks for the prompt reply. Please see inline for clarification [lc2].
/Louis
From: Les Ginsberg (ginsb
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