Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

..@ietf.org>; spring@ietf.org<mailto:spring@ietf.org>; Aissaoui, Mustapha (Nokia - CA/Ottawa) mailto:mustapha.aissa...@nokia.com>>; Shraddha Hegde mailto:shrad...@juniper.net>> Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) Hello A

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

ttawa) mailto:mustapha.aissa...@nokia.com>>; Shraddha Hegde mailto:shrad...@juniper.net>> Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) Hello All, Getting back on this topic with a text update proposal for sec 5 and 6 of the draft. The objective

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

awra.i...@gmail.com>; Clarence Filsfils (cfilsfil) mailto:cfils...@cisco.com>>; rob...@raszuk.net<mailto:rob...@raszuk.net>; bruno.decra...@orange.com<mailto:bruno.decra...@orange.com> Cc: spring@ietf.org<mailto:spring@ietf.org>; b...@ans.net<mailto:b...@ans.net>

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

draft-ietf-bess-srv6-servi...@ietf.org; spring@ietf.org; Aissaoui, Mustapha (Nokia - CA/Ottawa) ; Shraddha Hegde Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) Hello All, Getting back on this topic with a text update proposal for sec 5 and 6 of the d

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

From: spring mailto:spring-boun...@ietf.org>> On Behalf Of Rajesh M Sent: Thursday, July 15, 2021 4:36 PM To: Ketan Talaulikar (ketant) mailto:ket...@cisco.com>>; gdawra.i...@gmail.com<mailto:gdawra.i...@gmail.com>; Clarence Filsfils (cfilsfil) mailto:cfils...@cisco.com>>; rob.

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

Of *Ketan Talaulikar > (ketant) > *Sent:* Thursday, July 22, 2021 3:43 AM > *To:* Rajesh M ; Rajesh M < > mrajesh=40juniper@dmarc.ietf.org>; Rabadan, Jorge (Nokia - > US/Mountain View) ; gdawra.i...@gmail.com; > Clarence Filsfils (cfilsfil) ; rob...@raszuk.net; > bruno.decra

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

lto:spring@ietf.org>; b...@ans.net<mailto:b...@ans.net>; Srihari Sangli mailto:ssan...@juniper.net>>; Shraddha Hegde mailto:shrad...@juniper.net>>; b...@ietf.org<mailto:b...@ietf.org> Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

et>; bruno.decra...@orange.com<mailto:bruno.decra...@orange.com> Cc: spring@ietf.org<mailto:spring@ietf.org>; b...@ans.net<mailto:b...@ans.net>; Srihari Sangli mailto:ssan...@juniper.net>>; Shraddha Hegde mailto:shrad...@juniper.net>>; b...@ietf.org<mailto:b...@ietf.org&

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

) ; rob...@raszuk.net; bruno.decra...@orange.com Cc: spring@ietf.org; b...@ans.net; Srihari Sangli ; Shraddha Hegde ; b...@ietf.org Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) Hi Rajesh, My apologies for the delay in my response. However, some of my co

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

uly 22, 2021 3:17 PM To: Rajesh M ; Salih K A Cc: draft-ietf-bess-srv6-servi...@ietf.org; spring@ietf.org; b...@ietf.org Subject: RE: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) [External Email. Be cautious of content] Hi Rajesh, I think there might be some con

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

o:rob...@raszuk.net>> Cc: spring@ietf.org<mailto:spring@ietf.org>; b...@ietf.org<mailto:b...@ietf.org> Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) Good to know the intention is to support fallback for Srv6. The way current text is wr

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

document and we can say so if that helps. > > > > Thanks, > > Ketan > > > > *From:* Salih K A > *Sent:* 22 July 2021 15:35 > *To:* Ketan Talaulikar (ketant) ; Rajesh M < > mraj...@juniper.net> > *Cc:* draft-ietf-bess-srv6-servi...@ietf.org; spring@i

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

vi...@ietf.org>" mailto:draft-ietf-bess-srv6-servi...@ietf.org>>, "spring@ietf.org<mailto:spring@ietf.org>" mailto:spring@ietf.org>>, "b...@ietf.org<mailto:b...@ietf.org>" mailto:b...@ietf.org>> Subject: RE: [spring] SRv6 BGP based Over

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

From: "Ketan Talaulikar (ketant)" Date: Thursday, July 22, 2021 at 2:25 PM To: Salih K A , Rajesh M Cc: "draft-ietf-bess-srv6-servi...@ietf.org" , "spring@ietf.org" , "b...@ietf.org" Subject: RE: [spring] SRv6 BGP based Overlay Services (draft-ietf-bes

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

srv6-servi...@ietf.org>" mailto:draft-ietf-bess-srv6-servi...@ietf.org>>, "spring@ietf.org<mailto:spring@ietf.org>" mailto:spring@ietf.org>>, "b...@ietf.org<mailto:b...@ietf.org>" mailto:b...@ietf.org>> Subject: Re: [spring] SRv6 BGP ba

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

; spring@ietf.org; b...@ietf.org Subject: RE: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) [External Email. Be cautious of content] Hi Salih, Could you please check the following regarding the choice/fallback when using SR Policy based steering? https

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

#section-8.8 Thanks, Ketan From: Salih K A Sent: 22 July 2021 14:02 To: Ketan Talaulikar (ketant) ; Rajesh M Cc: draft-ietf-bess-srv6-servi...@ietf.org; spring@ietf.org; b...@ietf.org Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) Hi Ketan, 1 clarification

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

6-servi...@ietf.org" , "spring@ietf.org" , "b...@ietf.org" Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) [External Email. Be cautious of content] Resending with individual email addressed trimmed From: Ketan Talaulikar (k

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

below. From: spring On Behalf Of Shraddha Hegde Sent: 20 July 2021 15:26 To: Robert Raszuk Cc: spring@ietf.org; b...@ietf.org Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) Good to know the intention is to support fallback for Srv6. The way current

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

etant) mailto:ket...@cisco.com>>; gdawra.i...@gmail.com<mailto:gdawra.i...@gmail.com>; Clarence Filsfils (cfilsfil) mailto:cfils...@cisco.com>>; rob...@raszuk.net<mailto:rob...@raszuk.net>; bruno.decra...@orange.com<mailto:bruno.decra...@orange.com>; jorge.raba...@

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

alaulikar (ketant) mailto:ket...@cisco.com>>; gdawra.i...@gmail.com<mailto:gdawra.i...@gmail.com>; Clarence Filsfils (cfilsfil) mailto:cfils...@cisco.com>>; rob...@raszuk.net<mailto:rob...@raszuk.net>; bruno.decra...@orange.com<mailto:bruno.decra...@orange.com>; jorge.raba...@

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

m<mailto:jorge.raba...@nokia.com> Cc: spring@ietf.org<mailto:spring@ietf.org>; b...@ans.net<mailto:b...@ans.net>; Shraddha Hegde mailto:shrad...@juniper.net>>; b...@ietf.org<mailto:b...@ietf.org> Subject: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-se

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

, Mustapha (Nokia - CA/Ottawa) ; Srihari Sangli ; Shraddha Hegde ; Robert Raszuk Cc: spring@ietf.org; b...@ietf.org Subject: RE: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) [External Email. Be cautious of content] Comments In-Line.. Thanks, Jim Uttaro

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

@ietf.org; b...@ietf.org Subject: RE: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) [External Email. Be cautious of content] Comments In-Line.. Thanks, Jim Uttaro From: spring mailto:spring-boun...@ietf.org>> On Behalf Of Aissaoui, Mustapha (Noki

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

om<mailto:gdawra.i...@gmail.com>; Clarence Filsfils (cfilsfil) mailto:cfils...@cisco.com>>; rob...@raszuk.net<mailto:rob...@raszuk.net>; bruno.decra...@orange.com<mailto:bruno.decra...@orange.com> Cc: spring@ietf.org<mailto:spring@ietf.org>; b...@ans.net<mailto:b..

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

@gmail.com>; Clarence Filsfils (cfilsfil) mailto:cfils...@cisco.com>>; rob...@raszuk.net<mailto:rob...@raszuk.net>; bruno.decra...@orange.com<mailto:bruno.decra...@orange.com> Cc: spring@ietf.org<mailto:spring@ietf.org>; b...@ans.net<mailto:b...@ans.net>; Srihari Sangli

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

g On Behalf Of Shraddha Hegde Sent: Tuesday, July 20, 2021 5:56 AM To: Robert Raszuk Cc: spring@ietf.org; b...@ietf.org Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) Good to know the intention is to support fallback for Srv6. The way current text

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

: spring@ietf.org; b...@ietf.org Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) Good to know the intention is to support fallback for Srv6. The way current text is written, it implies service SID is always in the destination address. And hence

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

transport. If it not going to be supported, pls > add text indicating clearly > > Tunnelling is not required to be supported and hence Fallback to best > effort is also not supported. > > > > If that is not the intention, Its reasonable to update the text to > indicate SRv6

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

Comments In-Line.. Thanks, Jim Uttaro From: spring On Behalf Of Shraddha Hegde Sent: Tuesday, July 20, 2021 5:56 AM To: Robert Raszuk Cc: spring@ietf.org; b...@ietf.org Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) Good to know the

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

lt;mailto:rob...@raszuk.net>; bruno.decra...@orange.com<mailto:bruno.decra...@orange.com> Cc: spring@ietf.org<mailto:spring@ietf.org>; b...@ans.net<mailto:b...@ans.net>; Srihari Sangli mailto:ssan...@juniper.net>>; b...@ietf.org<mailto:b...@ietf.org>; Shraddha

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

> > If the ingress is tunneling the packet. > > > > Rgds > > Shraddha > > > > Juniper Business Use Only > > *From:* spring *On Behalf Of *Aissaoui, > Mustapha (Nokia - CA/Ottawa) > *Sent:* Monday, July 19, 2021 7:34 PM > *To:* Rabadan, Jorge (Nokia

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

org<mailto:spring@ietf.org>; b...@ans.net<mailto:b...@ans.net>; Srihari Sangli mailto:ssan...@juniper.net>>; b...@ietf.org<mailto:b...@ietf.org>; Shraddha Hegde mailto:shrad...@juniper.net>> Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

ntain View) ; > Rajesh M ; Rajesh M 40juniper@dmarc.ietf.org>; Ketan Talaulikar (ketant) ; > gdawra.i...@gmail.com; Clarence Filsfils (cfilsfil) ; > rob...@raszuk.net; bruno.decra...@orange.com > *Cc:* spring@ietf.org; b...@ans.net; Srihari Sangli ; > b...@ietf.org; Shraddha

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

ari Sangli ; b...@ietf.org; Shraddha Hegde Subject: Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) [External Email. Be cautious of content] Rajesh, Also you can change the service SID for a subset of prefixes using a policy, to apply a flex-algo for example, but

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

m>>; rob...@raszuk.net<mailto:rob...@raszuk.net>; bruno.decra...@orange.com<mailto:bruno.decra...@orange.com>; jorge.raba...@nokia.com<mailto:jorge.raba...@nokia.com> Cc: spring@ietf.org<mailto:spring@ietf.org>; b...@ans.net<mailto:b...@ans.net>; Shraddha Hegde m

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

;> >> Thanks >> >> Rajesh >> >> >> >> >> >> Juniper Business Use Only >> From: spring On Behalf Of Rajesh M >> Sent: Thursday, July 15, 2021 4:36 PM >> To: Ketan Talaulikar (ketant) ; gdawra.i...@gmail.com; >> Cla

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

ailto:spring@ietf.org>; b...@ans.net<mailto:b...@ans.net>; Shraddha Hegde mailto:shrad...@juniper.net>>; b...@ietf.org<mailto:b...@ietf.org> Subject: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) [External Email. Be cautious of content] Hi All,

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

; > > Juniper Business Use Only > > *From:* spring *On Behalf Of *Rajesh M > *Sent:* Thursday, July 15, 2021 4:36 PM > *To:* Ketan Talaulikar (ketant) ; gdawra.i...@gmail.com; > Clarence Filsfils (cfilsfil) ; rob...@raszuk.net; > bruno.decra...@orange.com; jorge.raba.

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

Talaulikar (ketant) ; gdawra.i...@gmail.com; Clarence Filsfils (cfilsfil) ; rob...@raszuk.net; bruno.decra...@orange.com; jorge.raba...@nokia.com Cc: spring@ietf.org; b...@ans.net; Shraddha Hegde ; b...@ietf.org Subject: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

...@nokia.com Cc: spring@ietf.org; b...@ans.net; Shraddha Hegde ; b...@ietf.org Subject: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07) [External Email. Be cautious of content] Hi All, As per this draft, this is how resolution must work. 1)For Non Intent service Route: if

[spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

Hi All, As per this draft, this is how resolution must work. 1)For Non Intent service Route: if BGP next hop is not reachable return. Resolve SRv6 Service SID for forwarding. 2)For Intent service Route (IGP Flex-Algo first then BGP CAR then SR Policy): BGP next hop is not reachable return. Resolv

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

Thanks Ketan, its very clear now. Juniper Business Use Only From: Ketan Talaulikar (ketant) Sent: Thursday, July 1, 2021 1:19 PM To: Rajesh M ; gdawra.i...@gmail.com; Clarence Filsfils (cfilsfil) ; rob...@raszuk.net; bruno.decra...@orange.com; jorge.raba...@nokia.com Cc: spring@ietf.org Subje

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

Hi Rajesh, When the Ingress PE is not doing steering over SR Policy, that includes both best-effort (algo 0) or flex-algo, the following takes place. Please note the update pending [1]. When providing best-effort connectivity to the egress PE, the ingress PE encapsulates the payload in an

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

Thanks Ketan. For flex algo scenario, Resolution we must do using BGP next hop or srv6 service sid (here srv6 service sid is derived from the corresponding flex algo locator) ? These are all very important to know for interop. Thanks Rajesh Juniper Business Use Only From: Ketan Talaulikar

Re: [spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

Hi Rajesh, Per https://datatracker.ietf.org/doc/html/draft-ietf-spring-segment-routing-policy-13#section-8.4 the endpoint of the SR Policy is matched with the BGP nexthop. Thanks, Ketan From: Rajesh M Sent: 01 July 2021 07:58 To: gdawra.i...@gmail.com; Clarence Filsfils (cfilsfil) ; Ketan Ta

[spring] SRv6 BGP based Overlay Services (draft-ietf-bess-srv6-services-07)

Hi All, As per the draft "When the BGP route received at an ingress PE is colored with an extended color community and is being steered over a valid SRv6 Policy associated with SID list as described in Section 8 of [I-D.ietf-spring-segment-routing-policy