Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-12 Thread Brian E Carpenter
one and doesn’t lead to unintended > consequences. > >   > > Thanks > >   > > Andrew > >   > >   > >   > > *From:*Brian E Carpenter > *Sent:* Thursday, 12 March 2020 00:30 > *To:* Andrew Alston ; Darren Dukes (ddukes) >

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-12 Thread Mark Smith
day, March 12, 2020 4:26 AM > *To:* Brian E Carpenter ; Darren Dukes > (ddukes) ; Ron Bonica < > rbonica=40juniper....@dmarc.ietf.org> > *Cc:* spring@ietf.org; 6man WG > *Subject:* Re: [spring] Draft-ietf-spring-network-programming ipv6 > addressing architecture - was draft-

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-12 Thread Mark Smith
On Fri, 13 Mar 2020, 01:41 Fernando Gont, wrote: > On 11/3/20 23:34, Brian E Carpenter wrote: > > On 12-Mar-20 10:44, Fernando Gont wrote: > >> On 11/3/20 18:30, Brian E Carpenter wrote: > >> [] > >>> > >>> However, I can't find anything in RFC 4291 that forbids addresses > >>> having

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-12 Thread Andrew Alston
ject: Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture? Brian, Let me clarify a few things – for my own understanding – I am happy to be wrong here, and if I am just let

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-12 Thread James Guichard
; 6man WG Subject: Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture? Brian, Let me clarify a few things – for my own understanding – I am happy to be wrong here, and if I

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-12 Thread Fernando Gont
On 11/3/20 23:34, Brian E Carpenter wrote: On 12-Mar-20 10:44, Fernando Gont wrote: On 11/3/20 18:30, Brian E Carpenter wrote: [] However, I can't find anything in RFC 4291 that forbids addresses having semantic meanings rather than being pure locators. It goes against one of my design

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-12 Thread Andrew Alston
ew.als...@liquidtelecom.com>>; > Darren Dukes (ddukes) mailto:ddu...@cisco.com>>; Ron Bonica > mailto:rbonica=40juniper....@dmarc.ietf.org>> > Cc: spring@ietf.org<mailto:spring@ietf.org>; 6man WG > mailto:i...@ietf.org>> > Subject: Re: Draft-iet

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-12 Thread Sander Steffann
Hi Mark, > I think it serves a very important purpose, which is why I raised it. > > SRv6 SRH says IPv6 addresses can be assigned to nodes, contrary to RFC 4291. > What is the Interface Identifier portion of the address called in that case, > and where is it specified? > > There needs to be

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-12 Thread Mark Smith
bout what other RFC’s say and don’t say – perhaps its time to start > examining this whole thing with a fine tooth comb so that we can end up > with a better result that works for everyone and doesn’t lead to unintended > consequences. > > > > Thanks > > > > Andre

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-12 Thread Robert Raszuk
this whole thing with a fine tooth comb so that we can end up > with a better result that works for everyone and doesn’t lead to unintended > consequences. > > > > Thanks > > > > Andrew > > > > > > > > *From:* Brian E Carpenter > *Sent:*

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-12 Thread otroan
o start > examining this whole thing with a fine tooth comb so that we can end up with > a better result that works for everyone and doesn’t lead to unintended > consequences. > > Thanks > > Andrew > > > > From: Brian E Carpenter > Sent: Thursday, 12 March

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-12 Thread Andrew Alston
To: Andrew Alston ; Darren Dukes (ddukes) ; Ron Bonica Cc: spring@ietf.org; 6man WG Subject: Re: Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture? On 12-Mar-20 09:53, Andrew Alston

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-12 Thread Darren Dukes (ddukes)
Hi Brian, I agree with your statement re operational practices. Indeed this was mentioned on SPRING in the past, and at that time a couple RFC examples were given RFC6059, RFC7599. I'm sure there are others. Andrew, are you providing any new technical information? Darren On Mar 11, 2020, at

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-11 Thread Darren Dukes (ddukes)
Correct Brian, no SLAAC. Darren > On Mar 11, 2020, at 10:34 PM, Brian E Carpenter > wrote: > > On 12-Mar-20 10:44, Fernando Gont wrote: >> On 11/3/20 18:30, Brian E Carpenter wrote: >> [] >>> >>> However, I can't find anything in RFC 4291 that forbids addresses >>> having semantic

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-11 Thread Brian E Carpenter
On 12-Mar-20 10:44, Fernando Gont wrote: > On 11/3/20 18:30, Brian E Carpenter wrote: > [] >> >> However, I can't find anything in RFC 4291 that forbids addresses >> having semantic meanings rather than being pure locators. It goes >> against one of my design prejudices, but I can't find

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-11 Thread Bob Hinden
Brian, > On Mar 11, 2020, at 2:30 PM, Brian E Carpenter > wrote: > > On 12-Mar-20 09:53, Andrew Alston wrote: >> Hi Spring WG >> >> >> >> On the basis of the below – I must conclude that the issues relating the >> SID/IPv6 semantics have indeed not been dealt with by the spring working >>

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-11 Thread Fernando Gont
On 11/3/20 18:30, Brian E Carpenter wrote: [] However, I can't find anything in RFC 4291 that forbids addresses having semantic meanings rather than being pure locators. It goes against one of my design prejudices, but I can't find anything resembling "Encoding semantics in address bits

Re: [spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-11 Thread Brian E Carpenter
On 12-Mar-20 09:53, Andrew Alston wrote: > Hi Spring WG > >   > > On the basis of the below – I must conclude that the issues relating the > SID/IPv6 semantics have indeed not been dealt with by the spring working > group in the context of the network programming draft – and I would now like

[spring] Draft-ietf-spring-network-programming ipv6 addressing architecture - was draft-ietf-6man-segment-routing-header-26 violating RFC4291, IPv6 Addressing Architecture?

2020-03-11 Thread Andrew Alston
Hi Spring WG On the basis of the below – I must conclude that the issues relating the SID/IPv6 semantics have indeed not been dealt with by the spring working group in the context of the network programming draft – and I would now like to raise those issues in the context of that draft – and