Hi Acee,
On 20/10/2025 14:34, Acee Lindem wrote:
Hi Peter,
On Oct 20, 2025, at 8:20 AM, Peter Psenak <[email protected]> wrote:
Hi Acee,
On 20/10/2025 13:58, Acee Lindem wrote:
Hi Les,
On Oct 17, 2025, at 11:29 AM, Les Ginsberg (ginsberg) <[email protected]>
wrote:
Esteemed WG chairs -
What is the conclusion of the WG adoption call for
draft-ginsberg-lsr-flex-soft-dataplane ??
We are long past the intended deadline.
I note that multiple people expressed support for adoption.
And a couple were even authors 😎
One person expressed concern about the document - which we tried to address
when we published V2 of the draft on August 28, 2025.
That was me and I still don't see why the use case couldn't be satisfied with a
constrained flex-algo in the multicast IP topology.
Flex-algo is tight with the data-plane that is used to forward the traffic over
the FA paths - e.g., to be able to compute FA paths, routers need to
participate in one of the supported data-planes - SR-MPLS, SRv6 or IP
flex-algo.
Well, in practice, implementations are not that strict about requiring a data plane for
base IP computation and are using the mulitcast topology in a "soft" manner.
flex-algo requires the participation in some DP, and that's why the
"soft" one has been introduced.
We did not want to restrict to the mcast use case. Mcast is just one
app, there may be more apps in the future that may have the similar
requirement for flex-algo.
thanks,
Peter
Thanks,
Acee
The requirement here is to detach the flex-algo from any specific data-plane -
application just needs the FA paths on top of regular IP topology and it will
setup its own data-plane for forwarding over them.
thanks,
Peter
Please let us know next steps.
Nevertheless, we'll move forward with LSR WG adoption.
Thanks,
Acee
Thanx.
Les (on behalf of the authors)
-----Original Message-----
From: Acee Lindem <[email protected]>
Sent: Friday, August 22, 2025 2:23 PM
To: lsr <[email protected]>
Cc: Les Ginsberg (ginsberg) <[email protected]>; Peter Psenak (ppsenak)
<[email protected]>; <[email protected]>
<[email protected]>
Subject: LSR WG Adoption Poll for "IGP Flex Soft Dataplane" - draft-ginsberg-
lsr-flex-soft-dataplane-01
LSR WG,
The begins the LSR WG adoption call for "IGP Flex Soft Dataplane" - draft-
ginsberg-lsr-flex-soft-dataplane-01. Please express your support or objection
on this list prior to Saturday September 6, 2025.
Thanks,
Acee
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