Hi Mike,

> for not just using encapsulation

Please kindly note that SRv6 (and all discussions about SRv6) already
happen in the *encapsulated header* - not in the native header of the
packet.

Nick,

As to the concerns of "escaping packets" - this draft is no more of a
concern then RFC8986.

Ron,

As to the concerns of purity violation of IPv6 addressing - this draft is
also no more of a concern then RFC8986.

Thx,
R.









On Sun, Oct 3, 2021 at 3:17 PM Mike Simpson <mikie.simp...@gmail.com> wrote:

> Given that every time a vendor suggests altering the fundamentals of the
> ipv6 header the reason given for not just using encapsulation and therefore
> avoiding upsetting the 2 decades worth of running kit is to save the few
> bytes of overhead it would produce.
>
> 1) Do we not have enough bogus packets on the internets.
> And
> 2) just because you can’t define the “harm it will cause” doesn’t mean
> that it’s not going to cause harm.
>
> Man generally seems quite fallible imho.
>
> > On 3 Oct 2021, at 05:13, Brian E Carpenter <brian.e.carpen...@gmail.com>
> wrote:
> >
> > Ron,
> >
> > The first sentence cites RFC8402 which unambiguously describes SR as a
> > limited domain protcol (limited to an "SR domain", that is.)
> >
> > So within such a domain, this describes using 128 bit quantities called
> > Segment Identifiers that in some cases, but apparently not in the formats
> > defined here, has the same structure as an IP address.
> >
> > Does that harm the Internet, even if it leaks? It might disappoint the
> > sender, as any sender of a bogus packet is disappointed, but apart from
> that,
> > who is damaged?
> >
> > Regards
> >   Brian Carpenter
> >
> >> On 02-Oct-21 09:34, Ron Bonica wrote:
> >> Folks,
> >>
> >>
> >>
> >> Draft-filsfilscheng-spring-srv6-srh-compression-02 introduces three new
> > SID types that can occupy the Destination Address field of an IPv6
> header. See Sections 4.1, 4.2, and 4.3 of the draft for details.
> >>
> >>
> >>
> >> The SPRING WG has issued a call for adoption for this draft.
> >>
> >>
> >>
> >> It is not clear that these SID types can be harmonized with the IPv6
> addressing architecture.
> >>
> >>
> >>
> >> Does anyone have an opinion?
> >>
> >>
> >>
> >>
>                                     Ron
> >>
> >>
> >>
> >>
> >> Juniper Business Use Only
> >>
> >>
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