o have
gotten out of hand. Why not just agree that you original statement of
"increased by up to 3x" was an exaggeration?
Cheers,
Adrian
> -Original Message-
> From: Zafar Ali (zali) [mailto:z...@cisco.com<mailto:z...@cisco.com>]
> Sent: 20 November 2017 23:36
&
re achieved through an expansion of a Binding SID are just part of the
>> landscape and (of course) thy have to be coped with. The draft doesn't
>> introduce sub-paths, it just observes that they exist.
>>
>> Lastly, the conversation on the number of labels as a multiplier see
raft-hegde-spring-traffic-accounting-for-sr-paths<draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org<mailto:draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>>;mpls<m...@ietf.org<mailto:m...@ietf.org>>;spring<spring@ietf.org<mailto:spring@ietf.org>
dr...@olddog.co.uk<mailto:adr...@olddog.co.uk>
> Cc: 'spring'; 'mpls'
> Subject: Re: [mpls] [spring] Special purpose labels in
> draft-hegde-spring-traffic-
> accounting-for-sr-paths
>
> Hi Adrian,
>
> Some comments are provided in-line.
>
> Please note that, we
citele.com>>;
draft-ietf-spring-oam-usec...@ietf.org<mailto:draft-ietf-spring-oam-usec...@ietf.org>;
xuxia...@huawei.com<mailto:xuxia...@huawei.com>;
z...@cisco.com<mailto:z...@cisco.com>;
gregimir...@gmail.com<mailto:gregimir...@gmail.com>
Subject: Re: [spr
are achieved through an expansion of a Binding SID are just part of the
>> landscape and (of course) thy have to be coped with. The draft doesn't
>> introduce sub-paths, it just observes that they exist.
>>
>> Lastly, the conversation on the number of labels as a multiplier see
xpansion of a Binding SID are just part of the
>>> landscape and (of course) thy have to be coped with. The draft doesn't
>>> introduce sub-paths, it just observes that they exist.
>>>
>>> Lastly, the conversation on the number of labels as a multiplier seem
23:36
> To: adr...@olddog.co.uk <mailto:adr...@olddog.co.uk>
> Cc: 'spring'; 'mpls'
> Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-
> accounting-for-sr-paths
>
> Hi Adrian,
>
> Some comments are prov
Comments inline:
On 20/11/2017 23:36, Zafar Ali (zali) wrote:
Hi Adrian,
Some comments are provided in-line.
Please note that, we all want to let this lingering tread die and follow-up on
the next steps noted during this email exchange. I will be happy to have a
webEx call and discuss it
r...@olddog.co.uk" <adr...@olddog.co.uk>
Cc: "Zafar Ali (zali)" <z...@cisco.com>, "m...@ietf.org" <m...@ietf.org>,
spring <spring@ietf.org>
Subject: Re: [spring] [mpls] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Hi Adr
of hand. Why not just agree that you original statement of
> "increased by up to 3x" was an exaggeration?
>
> Cheers,
> Adrian
>
> > -Original Message-----
> > From: Zafar Ali (zali) [mailto:z...@cisco.com]
> > Sent: 20 November 2017 23:36
> > To: adr
z...@cisco.com]
> Sent: 20 November 2017 23:36
> To: adr...@olddog.co.uk
> Cc: 'spring'; 'mpls'
> Subject: Re: [mpls] [spring] Special purpose labels in
> draft-hegde-spring-traffic-
> accounting-for-sr-paths
>
> Hi Adrian,
>
> Some comments are provided in-line.
>
>
@ietf.org"
<m...@ietf.org>, spring <spring@ietf.org>
Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Hi Zafar,
"overloading existing special label"? AFAIK, MPLS WG created Extended Special
Label exactly for ca
2017 at 7:03 PM
> *To: *"Zafar Ali (zali)" <z...@cisco.com>
> *Cc: *"adr...@olddog.co.uk" <adr...@olddog.co.uk>, "m...@ietf.org" <
> m...@ietf.org>, spring <spring@ietf.org>
> *Subject: *Re: [mpls] [spring] Special purpose labels in
&
From: Greg Mirsky <gregimir...@gmail.com>
Date: Monday, November 20, 2017 at 7:03 PM
To: "Zafar Ali (zali)" <z...@cisco.com>
Cc: "adr...@olddog.co.uk" <adr...@olddog.co.uk>, "m...@ietf.org"
<m...@ietf.org>, spring <spring@ietf.org>
S
Hi Zafar,
I don't see how managing, using passive OAM, i.e. counting fly-by packets,
at transient SR-MPLS nodes can be equated to breaking "no-forwarding state
at transient LSR" model.I believe that practical is as important as
aesthetic and that network cannot be operated without comprehensive
sr-pa...@ietf.org>, spring
<spring@ietf.org>, "m...@ietf.org" <m...@ietf.org>
Subject: RE: [spring] [mpls] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Hi,
Comments inline
Yours Irrespectively,
John
From: spring [mailto:spring-bo
Hi Adrian,
Some comments are provided in-line.
Please note that, we all want to let this lingering tread die and follow-up on
the next steps noted during this email exchange. I will be happy to have a
webEx call and discuss it further, offline.
Thanks
Regards … Zafar
On 11/18/17, 9:08
)
*Subject:* Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
I would like to ask a fundamental question here.
Do we need transit counters for only MPLS-SR, or do we need it for
MPLS-LDP as well?
If we need it for both, then we need to have
; Cc: mpls; spring; Clarence Filsfils;
>> draft-hegde-spring-traffic-accounting-for-sr-paths; Michael Gorokhovsky;
>> draft-ietf-spring-oam-usec...@ietf.org; Zafar Ali (zali)
>> Subject: Re: [mpls] [spring] Special purpose labels in
>> draft-hegde-spring-traffic-account
g-traffic-accounting-for-sr-pa...@ietf.org>; spring
<spring@ietf.org>; mpls <m...@ietf.org>
Subject: Re: [spring] [mpls] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Hi John,
Sorry for delay in the response; I was away from the emails. Please see in-line.
Thanks for helping me break my resolution to leave this thread alone :-(
>>> procedure (in draft-hegde-spring-traffic-accounting-for-sr-paths) that
>>> breaks SR
>>> Architecture, highly unscalable and complicated to implement.
>>
>> [JD] Do you have any evidence to justify any of your
Ali (zali)
*Subject:* Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Hi,
Yes today we do not have any CLI command on any router to get paths
statistics for LDP (I mean Ingress to Egress) as LDP is based on MP2P
LSPs, so a transit node does
mpls; spring; Clarence Filsfils;
> draft-hegde-spring-traffic-accounting-for-sr-paths;
> Michael Gorokhovsky; draft-ietf-spring-oam-usec...@ietf.org; Zafar Ali
> (zali)
> *Subject:* Re: [mpls] [spring] Special purpose labels in
> draft-hegde-spring-traffic-accounting-for-sr-paths
>
>
ccounting-for-sr-paths
<draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>; Michael
Gorokhovsky <michael.gorokhov...@ecitele.com>;
draft-ietf-spring-oam-usec...@ietf.org; Zafar Ali (zali) <z...@cisco.com>
Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde
..@ietf.org>] *On
> Behalf Of *stephane.litkow...@orange.com
> *Sent:* Thursday, November 16, 2017 6:49 PM
> *To:* Robert Raszuk; Alexander Vainshtein
> *Cc:* mpls; spring; Clarence Filsfils;
> draft-hegde-spring-traffic-accounting-for-sr-paths;
> Michael Gorokhovsky; draft
;
Zafar Ali (zali)
Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Hi,
Yes today we do not have any CLI command on any router to get paths statistics
for LDP (I mean Ingress to Egress) as LDP is based on MP2P LSPs, so a transit
node d
.org <mpls-boun...@ietf.org>] *On
> Behalf Of *stephane.litkow...@orange.com
> *Sent:* Thursday, November 16, 2017 6:49 PM
> *To:* Robert Raszuk; Alexander Vainshtein
> *Cc:* mpls; spring; Clarence Filsfils;
> draft-hegde-spring-traffic-accounting-for-sr-paths;
> Michael Gorok
regimir...@gmail.com>
Cc: draft-hegde-spring-traffic-accounting-for-sr-paths
<draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>, spring
<spring@ietf.org>, mpls <m...@ietf.org>
Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-acc
Filsfils; mpls; Michael Gorokhovsky;
draft-ietf-spring-oam-usec...@ietf.org<mailto:draft-ietf-spring-oam-usec...@ietf.org>;
draft-hegde-spring-traffic-accounting-for-sr-paths; Zafar Ali (zali)
Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr
-spring-oam-usec...@ietf.org; Zafar Ali (zali)
Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Hi,
Yes today we do not have any CLI command on any router to get paths statistics
for LDP (I mean Ingress to Egress) as LDP is based on MP2P
> Hi,
>
>
>
> We are dealing with an SR network in which the data plane is MPLS rather
> than IP.
>
>
>
> Yours Irrespectively,
>
>
>
> John
>
I think this is very important to stop here for a moment and discuss ...
What is MPLS data plane ?
MPLS data plane can be connection less (constructed
spring-traffic-accounting-for-sr-paths
<draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>; spring
<spring@ietf.org>; mpls <m...@ietf.org>; Zafar Ali (zali) <z...@cisco.com>
Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-acco
for-sr-paths
<draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>; spring
<spring@ietf.org>; mpls <m...@ietf.org>
Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Hi Folks,
I also agree that it’s not a que
.com>; draft-ietf-spring-oam-usec...@ietf.org;
Zafar Ali (zali) <z...@cisco.com>
Subject: RE: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Sasha,
We did not use the term SR-TE LSP in our draft and I think it is misleading. I
sugges
..@ietf.org>; Michael Gorokhovsky
<michael.gorokhov...@ecitele.com>; draft-ietf-spring-oam-usec...@ietf.org;
Zafar Ali (zali) <z...@cisco.com>
Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Greg,
I concur with your position: le
ing@ietf.org>>;mpls<m...@ietf.org<mailto:m...@ietf.org>>;Zafar
Ali (zali)<z...@cisco.com<mailto:z...@cisco.com>>;Greg
Mirsky<gregimir...@gmail.com<mailto:gregimir...@gmail.com>>
主题: Re: [spring] [mpls] Special purpose labels in
draft-hegde-spring-traffic-acco
@ecitele.com>;
draft-ietf-spring-oam-usec...@ietf.org;
draft-hegde-spring-traffic-accounting-for-sr-paths
<draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>; Zafar Ali (zali)
<z...@cisco.com>
Subject: RE: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traff
Zafar Ali (zali) <z...@cisco.com>; mpls <m...@ietf.org>;
> Xuxiaohu <xuxia...@huawei.com>; Michael Gorokhovsky <
> michael.gorokhov...@ecitele.com>; draft-ietf-spring-oam-usec...@ietf.org
> *Subject:* Re: [mpls] [spring] Special purpose labels in
> draft-hegde-sp
..@cisco.com; gregimir...@gmail.com
Subject: Re: [spring] [mpls] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Sasha,
the purpose of the SR OAM Use Case is to illustrate how Segment Routing enables
new ways to perform OAM tasks. Like delay measurements.
What is discussed
michael.gorokhov...@ecitele.com>; draft-ietf-spring-oam-usec...@ietf.org
Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Hi Sasha,
many thanks.
I'd point to SR OAM
Requirements<https://tools.ietf.org/html/draft-ietf-spring-sr-oam-requi
ei.com>
> *Cc:* draft-hegde-spring-traffic-accounting-for-sr-paths <
> draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>; spring <
> spring@ietf.org>; Zafar Ali (zali) <z...@cisco.com>; mpls <m...@ietf.org>
> *Subject:* Re: [mpls] [spring] Special purpo
lto:spring@ietf.org>>; Zafar Ali (zali)
<z...@cisco.com<mailto:z...@cisco.com>>; mpls
<m...@ietf.org<mailto:m...@ietf.org>>
Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Dear All,
I cannot imagine that operato
*Cc:* draft-hegde-spring-traffic-accounting-for-sr-paths <
> draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>; spring <
> spring@ietf.org>; Zafar Ali (zali) <z...@cisco.com>; mpls <m...@ietf.org>
> *Subject:* Re: [mpls] [spring] Special purpose labels in
>
etf.org;
Zafar Ali (zali) <z...@cisco.com>; Clarence Filsfils <cfils...@cisco.com>
Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Folks,
This thread started and the requirements reported clearly stated that all what
we need is t
徐小虎 Xuxiaohu
> M:+86-13910161692
> E:xuxia...@huawei.com
> 产品与解决方案-网络战略与业务发展部
> Products & Solutions-Network Strategy & Business Development Dept
>
> *发件人:* Greg Mirsky
>
> *收件人:* Xuxiaohu<xuxia...@huawei.com>
>
> *抄送:* Zafar Ali (zali)<z...@cisco.com&
r-paths
<draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>, "m...@ietf.org"
<m...@ietf.org>, spring <spring@ietf.org>
Subject: RE: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
I fully agree with you that
-for-sr-pa...@ietf.org>; spring <
spring@ietf.org>; Zafar Ali (zali) <z...@cisco.com>; mpls <m...@ietf.org>
*Subject:* Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Dear All,
I cannot imagine that operators will agree
...@ietf.org>; spring
<spring@ietf.org>; Zafar Ali (zali) <z...@cisco.com>; mpls <m...@ietf.org>
Subject: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Dear All,
I cannot imagine that operators will agree to deploy network
gt; *抄送: *draft-hegde-spring-traffic-accounting-for-sr-paths hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>;spring<
> spring@ietf.org>;mpls<m...@ietf.org>;Zafar Ali (zali)<z...@cisco.com>;Greg
> Mirsky<gregimir...@gmail.com>
> *主题: *Re: [spring] [
.@ietf.org>>;Zafar
Ali (zali)<z...@cisco.com<mailto:z...@cisco.com>>;Greg
Mirsky<gregimir...@gmail.com<mailto:gregimir...@gmail.com>>
主题: Re: [spring] [mpls] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
时间: 2017-11-16 14:25:32
s/p
c-accounting-for-sr-pa...@ietf.org>>;Greg
Mirsky<gregimir...@gmail.com<mailto:gregimir...@gmail.com>>;spring<spring@ietf.org<mailto:spring@ietf.org>>;Zafar
Ali
(zali)<z...@cisco.com<mailto:z...@cisco.com>>;mpls<m...@ietf.org<mailto:m...@ietf.org>&g
hs
<draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>
Subject: RE: [spring] [mpls] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
If so, why not directly use RSVP-TE if the per flow state is needed?
徐小虎 Xuxiaohu
M:+86-13910161692
E:xuxia...@
pring@ietf.org>; Greg Mirsky <gregimir...@gmail.com>; mpls <m...@ietf.org>;
Xuxiaohu <xuxia...@huawei.com>; Zafar Ali (zali) <z...@cisco.com>
Subject: Re: [spring] [mpls] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Robert,
If we have
ing
<spring@ietf.org>, mpls <m...@ietf.org>, "Zafar Ali (zali)" <z...@cisco.com>,
draft-hegde-spring-traffic-accounting-for-sr-paths
<draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>
Subject: Re: [spring] [mpls] Special purpose labels in
draft-hegd
, November 16, 2017 11:09 AM
To: Robert Raszuk
Cc: draft-hegde-spring-traffic-accounting-for-sr-paths; spring; Greg Mirsky;
mpls; Xuxiaohu; Zafar Ali (zali)
Subject: Re: [spring] [mpls] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Today, if you run RSVP-TE, you’d get
Xuxiaohu <xuxia...@huawei.com>; Zafar Ali (zali) <z...@cisco.com>
Subject: Re: [spring] [mpls] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
Today, if you run RSVP-TE, you’d get (at least on high end platforms) counters
per LSP.
Having the same functiona
com>;
draft-hegde-spring-traffic-accounting-for-sr-paths
<draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>
Subject: Re: [spring] [mpls] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
As explained it is not needed to get all information required per pa
sr-paths
<draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>
Subject: Re: [spring] [mpls] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
As explained it is not needed to get all information required per path.
Yes you may have N:1 mapping of flows to
lt;mailto:m...@ietf.org>>;spring<spring@ietf.org<mailto:spring@ietf.org>>
主题: Re: [mpls] [spring] Special purpose labels in
draft-hegde-spring-traffic-accounting-for-sr-paths
时间: 2017-11-16 10:27:55
Dear All,
I cannot imagine that operators will agree to deploy network that lac
xiaohu <xuxia...@huawei.com>
> *Cc: *Greg Mirsky <gregimir...@gmail.com>, spring <spring@ietf.org>, mpls
> <m...@ietf.org>, "Zafar Ali (zali)" <z...@cisco.com>,
> draft-hegde-spring-traffic-accounting-for-sr-paths <
> draft-hegde-spring-traffic-ac
ucts & Solutions-Network Strategy & Business Development Dept
>>
>> *发件人: *Zafar Ali (zali)
>> *收件人: *Greg Mirsky<gregimir...@gmail.com>;draft-hegde-spring-traffic-acc
>> ounting-for-sr-paths> or-sr-pa...@ietf.org>;mpls<m...@ietf.org>;spring<sprin
spring <spring@ietf.org>, mpls
<m...@ietf.org>, "Zafar Ali (zali)" <z...@cisco.com>,
draft-hegde-spring-traffic-accounting-for-sr-paths
<draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>
Subject: Re: [spring] [mpls] Special purpose lab
y<gregimir...@gmail.com>;draft-hegde-spring-traffic-acc
>> ounting-for-sr-paths> for-sr-pa...@ietf.org>;mpls<m...@ietf.org>;spring<spring@ietf.org>
>> *主题: *Re: [mpls] [spring] Special purpose labels in
>> draft-hegde-spring-traffic-accounting-for-sr-paths
>&g
etwork Strategy & Business Development Dept
>>
>> *发件人: *Zafar Ali (zali)
>> *收件人: *Greg Mirsky<gregimir...@gmail.com>;draft-hegde-spring-traffic-acc
>> ounting-for-sr-paths> for-sr-pa...@ietf.org>;mpls<m...@ietf.org>;spring<spring@ietf.org>
&
Dept
>
> *发件人: *Zafar Ali (zali)
> *收件人: *Greg Mirsky<gregimir...@gmail.com>;draft-hegde-spring-traffic-
> accounting-for-sr-paths accounting-for-sr-pa...@ietf.org>;mpls<m...@ietf.org>;spring<
> spring@ietf.org>
> *主题: *Re: [mpls] [spring] Special purp
make some compromise.
>>>>
>>>> Best regards,
>>>> Xiaohu
>>>>
>>>>
>>>>
>>>>
>>>> ----------
>>>> 徐小虎 Xuxiaohu
>>>> M:+86-13910161692
>>>> E:xuxia...@h
aohu
>>> M:+86-13910161692
>>> E:xuxia...@huawei.com
>>> 产品与解决方案-网络战略与业务发展部
>>> Products & Solutions-Network Strategy & Business Development Dept
>>>
>>> *发件人: *Zafar Ali (zali)
>>> *收件人: *Greg Mirsky<gregimir...@gmail.com>;draft
@huawei.com
>> 产品与解决方案-网络战略与业务发展部
>> Products & Solutions-Network Strategy & Business Development Dept
>>
>> *发件人: *Zafar Ali (zali)
>> *收件人: *Greg Mirsky<gregimir...@gmail.com>;draft-hegde-spring-traffic-acc
>> ounting-for-sr-paths> for-sr-pa...@ietf.org
tf.org>;mpls<m...@ietf.org>;spring<
> spring@ietf.org>
> *主题: *Re: [mpls] [spring] Special purpose labels in
> draft-hegde-spring-traffic-accounting-for-sr-paths
> *时间: *2017-11-16 02:24:10
>
> Hi,
>
>
>
> This draft breaks the SR architecture. I am quoting
-for-sr-paths<draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org<mailto:draft-hegde-spring-traffic-accounting-for-sr-pa...@ietf.org>>;mpls<m...@ietf.org<mailto:m...@ietf.org>>;spring<spring@ietf.org<mailto:spring@ietf.org>>
主题: Re: [mpls] [spring] Special p
Zafar
I don’t think you can assert that fails to comply with the SR arch. There is
nothing they are doing that cannot be captured in Netflix/IPFIX and SR needs to
work with IPFIX.
Stewart
> On 16 Nov 2017, at 2:23 am, Zafar Ali (zali) wrote:
>
> Hi,
>
> This draft breaks
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