Re: [bess] I-D Action: draft-ietf-bess-srv6-services-13.txt

2022-03-21 Thread Joel M. Halpern
wrote: In line. On 3/21/2022 6:30 AM, Ketan Talaulikar wrote: > Hi Joel, > > Please check inline below. > > > On Mon, Mar 21, 2022 at 2:19 PM Joel M. Halpern mailto:j...@joelhalpern.com> > <mailto:j...@joelhalpern.com <

Re: [bess] I-D Action: draft-ietf-bess-srv6-services-13.txt

2022-03-21 Thread Joel M. Halpern
rs, Joel On 3/20/2022 2:54 AM, Ketan Talaulikar wrote: > Hi Joel, > > Please see inline below. > > On Sun, Mar 20, 2022 at 11:34 AM Joel M. Halpern mailto:j...@joelhalpern.com> > <mailto:j...@joelhalpern.com <mailto:j...@joelhalpe

Re: [bess] I-D Action: draft-ietf-bess-srv6-services-13.txt

2022-03-20 Thread Joel M. Halpern
the use of argument. Ingress PE does need to know & support the specific behavior when it needs to supply the argument based on the behavior definition. Thanks, Ketan On Sun, Mar 20, 2022 at 10:56 AM Joel M. Halpern <mailto:j...@joelhalpern.com>> wrote: I keep reading th

Re: [bess] I-D Action: draft-ietf-bess-srv6-services-13.txt

2022-03-19 Thread Joel M. Halpern
I keep reading the description of the handling of unknown endpoint behaviors. It seems there is an implicit assumption that I would think it would be helpful to make explicit. As far as I can tell, a head end would never choose based purely based on local policy to make use of an advertised

Re: [bess] Warren Kumari's Discuss on draft-ietf-bess-srv6-services-10: (with DISCUSS and COMMENT)

2022-02-17 Thread Joel M. Halpern
I never saw such a policy on egress PEs and I did see L3VPNs or L2VPNs running over IP. The protection is applied on ingress you your domain. Thx, R. On Thu, Feb 17, 2022 at 5:03 PM Joel M. Halpern <mailto:j...@joelhalpern.com>> wrote: I would presume that the general policy (w

Re: [bess] Warren Kumari's Discuss on draft-ietf-bess-srv6-services-10: (with DISCUSS and COMMENT)

2022-02-17 Thread Joel M. Halpern
I would presume that the general policy (which does not apply to SRv6) that nodes should not decapsulate tunnel packets without configuration or special exemption would mean that an arbitrary MPLS node will not decapsualte a GRE packet and process its MPLS content. Otherwise, all tunnels

Re: [bess] WG Adoption and IPR Poll for draft-mishra-bess-deployment-guide-ipv4nlri-ipv6nh-03

2021-04-13 Thread Joel M. Halpern
this document provides a clear description of how and why to use the tools we have standardized to improve operational capabilities as part of migrating to IPv6. I support adopting this document. Yours, Joel On 4/13/2021 5:36 AM, Bocci, Matthew (Nokia - GB) wrote: Hello, This email begins

Re: [bess] Thought about "Application Routing" in draft-dunbar-bess-bgp-sdwan-usage

2020-08-03 Thread Joel M. Halpern
delay, packet loos, jitter) to provide better application performance by choosing the right underlay that meets or exceeds the specified criteria./ Thank you very much. Linda -Original Message- From: Joel M. Halpern mailto:j...@joelhalpern.com>> Sent: Friday, July 31, 2020 6:35 AM To: a

Re: [bess] Thought about "Application Routing" in draft-dunbar-bess-bgp-sdwan-usage

2020-07-31 Thread Joel M. Halpern
So Adrian does not feel like is a lone voice, let me agree publicly that the terminology you are using is either wrong or more likely ambiguous as to its purpose. If you really want to use the term, define it explicitly please. Yours, Joel On 7/31/2020 4:34 AM, Adrian Farrel wrote: Hi

Re: [bess] SRv6 versus SR-MPLS

2019-10-06 Thread Joel M. Halpern
drafts. Again, sorry, I misread and misunderstood your note. Yes, you referenced your draft. On 10/6/2019 11:29 AM, Greg Mirsky wrote: Hi Joel, thank you for reviewing U-SID draft. I'm looking forward to reading a more detailed analysis. Regards, Greg On Sat, Oct 5, 2019 at 8:18 PM Joel M

Re: [bess] SRv6 versus SR-MPLS

2019-10-05 Thread Joel M. Halpern
No Greg, uSID does not bring all the benefits of SRv6 while using shorter SIDs. It also violates the basic IP archtiecture really abdly. Yours, Joel On 10/5/2019 7:44 PM, Greg Mirsky wrote: Hi Gyan, you're asking very good questions and your arguments are all correct. But I think that now

Re: [bess] Poll to progress draft-ietf-bess-nsh-bgp-controlplane without implementation

2019-04-05 Thread Joel M. Halpern
I think is a useful complement to the work in RFC 8300. It appears ready for publication. Given the evolution in SFC usage, I think getting this out there now serves the community better than waiting for the implementations. Please do progress this. Thank you, Joel On 4/4/19 1:58 PM,

Re: [bess] [sfc] BGP/SFC encoding of things that will not work

2016-11-13 Thread Joel M. Halpern
an allowed set of SFIs using the local policy for balancing SF load. Hope this helps, Adrian -Original Message- From: sfc [mailto:sfc-boun...@ietf.org] On Behalf Of Joel M. Halpern Sent: 13 November 2016 09:49 To: adr...@olddog.co.uk; s...@ietf.org Cc: bess@ietf.org Subject: Re: [sfc

Re: [bess] BGP/SFC encoding of things that will not work

2016-11-13 Thread Joel M. Halpern
Fair enough. In this case, what I was refering to is the combination of two preorpties of the encoding of paths. On teh one hand, it is extraordinarily flexible in being able to represent a broad range of delegated choices (as well as allowing the controller to advertise very specific things.

Re: [bess] FW: New Version Notification for draft-mackie-bess-nsh-bgp-control-plane-01.txt

2016-11-02 Thread Joel M. Halpern
Trimming to those issues where I understand the disagreement enough to comment. I would observe that what we are discussing is really SFC definition. As such, I would like to ask that we at least copy the SFC list (I have not done so as this is currently a BESS document.) Yorus, Joel On

Re: [bess] FW: New Version Notification for draft-mackie-bess-nsh-bgp-control-plane-01.txt

2016-11-01 Thread Joel M. Halpern
I had thought an earlier discussion in the SFC WG had clarified that the decrement was by 1. Since that did not happen, I have now forwarded that question to them. Other comments in line. Yours, Joel PS: Given the announcement, I should clarify that what I am writing here is my personal

Re: [bess] FW: New Version Notification for draft-mackie-bess-nsh-bgp-control-plane-01.txt

2016-11-01 Thread Joel M. Halpern
Some of this is going to get long for an email, but I don't see another choice. Also, a lot of this discussion belongs in the SFC working group. We need to figure out how to handle collaboration between IDR and SFC for this. Having said all that, further comments in line. Yours, Joel On

Re: [bess] FW: New Version Notification for draft-mackie-bess-nsh-bgp-control-plane-01.txt

2016-10-30 Thread Joel M. Halpern
Thank you authors. Reading through this, I have a few questions. 1) I like the idea of being able to support multiple SFC overlays. I can see circumstances when this would be valuable. However, I can not see how it works. (I presume I am missing something obvious.) If the SPI are unique,

Re: [bess] Introducing a one-implementation requirement before WG last calls

2015-11-24 Thread Joel M. Halpern
Without wanting to be pedantic, I would have expected to see discusison of this on the list, and determination that the list agreed with it. Discussion at the meeting is informative, but is not the basis for a WG decision. I am also slightly concerned that the working group is creating a