Re: [bess] Last Call: (BGP Usage for SD-WAN Overlay Networks) to Informational RFC

2024-02-08 Thread Adrian Farrel
. Linda -Original Message- From: Adrian Farrel mailto:adr...@olddog.co.uk> > Sent: Saturday, February 3, 2024 3:54 PM To: last-c...@ietf.org <mailto:last-c...@ietf.org> Cc: andrew-i...@liquid.tech <mailto:andrew-i...@liquid.tech> ; bess-cha...@ietf.org <mailto:bess-ch

Re: [bess] Last Call: (BGP Usage for SD-WAN Overlay Networks) to Informational RFC

2024-02-08 Thread Adrian Farrel
g the resolutions in two separate emails. This one addresses the comments to Section 3.1.2. Will have another email addressing the remaining comments. Can you check if the resolutions to your comments inserted below are acceptable? Thank you, Linda -Original Message- From: Adrian F

Re: [bess] Last Call: (BGP Usage for SD-WAN Overlay Networks) to Informational RFC

2024-02-03 Thread Adrian Farrel
Hi, I read this document again as part of its second Last Call. I have a few comments that should ideally be fixed before passing the draft on to the RFC Editor. (I ran out of steam around Section 6, sorry.) Thanks, Adrian === I wondered about the implementation status of this document. One mi

Re: [bess] WG Adoption Poll for draft-ietf-bess-bgp-sdwan-uasge-16

2023-10-06 Thread Adrian Farrel
t esoteric, but the short answer is that any of the authors have the right to grant rights on behalf of all the authors because of the "joint" work nature. Yours, Joel On 10/6/2023 9:19 AM, Adrian Farrel wrote: Thanks, Joel. That’s really helpful. Pedantically, suppose th

Re: [bess] WG Adoption Poll for draft-ietf-bess-bgp-sdwan-uasge-16

2023-10-06 Thread Adrian Farrel
the rights, and it is within the authors remit to do so. Yours, Joel On 10/6/2023 8:54 AM, Adrian Farrel wrote: Hi Matthew, I support this being a WG document. IANAL. I don’t understand the process by which an author who previously said “no derivative works” for an I-D is able to

Re: [bess] WG Adoption Poll for draft-ietf-bess-bgp-sdwan-uasge-16

2023-10-06 Thread Adrian Farrel
Hi Matthew, I support this being a WG document. IANAL. I don't understand the process by which an author who previously said "no derivative works" for an I-D is able to relax that constraint in a new revision. Maybe simply posting a new revision without the constraint is enough. Maybe the c

[bess] Rtgdir early review of draft-ietf-bess-evpn-fast-df-recovery-07

2023-05-27 Thread Adrian Farrel via Datatracker
Reviewer: Adrian Farrel Review result: Has Issues Hello I have been selected to do a Routing Directorate early review of this draft.. https://datatracker.ietf.org/doc/draft-ietf-bess-evpn-fast-df-recovery. I reviewed revision -07. The Routing Directorate will, on request from the working group

[bess] Heads up on draft-ietf-opsawg-yang-vpn-service-pm

2022-04-29 Thread Adrian Farrel
Hi, I'm the document shepherd for draft-ietf-opsawg-yang-vpn-service-pm. It has completed WG last call in the OPSAWG. The work may be of interest to BESS and you might want to watch out for the IETF last call which will be along in due course. But I'm sure that the authors would welcome any comm

[bess] draft-lp-bess-vpn-interworking

2022-01-03 Thread Adrian Farrel
Hi authors of draft-lp-bess-vpn-interworking, I noticed your draft show up this morning. I haven't had time to read it yet. You may want to take a good look at RFC 9125 for some interworking use cases that could be of help to you. Best, Adrian -Original Message- From: I-D-Announce On B

[bess] FW: WG LC: L2 Network model (opsawg)

2021-09-24 Thread Adrian Farrel
PALS and BESS are probably interested as well. Adrian -Original Message- From: L2sm On Behalf Of Joe Clarke (jclarke) Sent: 24 September 2021 16:17 To: l...@ietf.org Cc: ops...@ietf.org Subject: [L2sm] WG LC: L2 Network model (opsawg) Hello, l2sm WG. We are currently in WG LC for draft

Re: [bess] Benjamin Kaduk's No Objection on draft-ietf-bess-datacenter-gateway-12: (with COMMENT)

2021-07-22 Thread Adrian Farrel
Hi again, > COMMENT: > > > The -12 does address the discuss point that I raised, thank you! > > In re-reading the draft so as to clear my discuss position, one thing > that occurred to me is that a reader might wonder what mechanisms

Re: [bess] Benjamin Kaduk's Discuss on draft-ietf-bess-datacenter-gateway-11: (with DISCUSS and COMMENT)

2021-07-22 Thread Adrian Farrel
> Picking up (belatedly) where I left off in my initial reply... Thanks, Ben. >>> Section 5 >>> >>> for a prefix X, then each GW computes an SR TE path through that site >>> to X from each of the currently active GWs, and places each in an >>> MPLS label stack sub-TLV [RFC9012] in the SR Tu

Re: [bess] Benjamin Kaduk's Discuss on draft-ietf-bess-datacenter-gateway-11: (with DISCUSS and COMMENT)

2021-06-02 Thread Adrian Farrel
Thanks for what you got to yesterday. We can take this step by step. [snip the Discuss] >>Given that the gateways and ASBRs are connected by tunnels that may >> run across parts of the network that are not trusted, >> data center operators using the approach set out in this network

Re: [bess] Roman Danyliw's Discuss on draft-ietf-bess-datacenter-gateway-10: (with DISCUSS and COMMENT)

2021-05-28 Thread Adrian Farrel
Hi again Roman, Just a couple of additional comments in line. Hoping to find a way forward. Thanks, Adrian >> DISCUSS: >> -- >> >> RFC8402 tells us: >> >> (a)“Segment Routing domain (SR domain): the set of nodes participating >> in

Re: [bess] Benjamin Kaduk's Discuss on draft-ietf-bess-datacenter-gateway-11: (with DISCUSS and COMMENT)

2021-05-28 Thread Adrian Farrel
Hi Ben, Thanks for the Discuss and detailed Comments. Responses in line. All changes are held in the -12 buffer as we close off issues with the other ADs. Cheers, Adrian > -- > DISCUSS: > > Thanks for having the discussion with John

Re: [bess] Murray Kucherawy's No Objection on draft-ietf-bess-datacenter-gateway-11: (with COMMENT)

2021-05-20 Thread Adrian Farrel
Thanks Murray, > COMMENT: > - > > Why is the SHOULD in Section 8 only a SHOULD? Why might I legitimately > not do what it says? I need to think about this a bit. My first reaction is that it shouldn't even use 2119 language in that

Re: [bess] New Version Notification for draft-ietf-bess-datacenter-gateway-11.txt

2021-05-19 Thread Adrian Farrel
Dang! Now sending to the IESG not the Secretariat. Adrian -Original Message- From: Adrian Farrel Sent: 19 May 2021 22:31 To: iesg-secret...@ietf.org Cc: 'bess@ietf.org' ; 'bess-cha...@ietf.org' ; 'Gyan Mishra' ; 'draft-ietf-bess-datacenter-gate...@i

[bess] FW: New Version Notification for draft-ietf-bess-datacenter-gateway-11.txt

2021-05-19 Thread Adrian Farrel
know if you think more action is needed. Many thanks to you all for the time and effort you've put in to reviewing this document. Adrian -Original Message----- From: internet-dra...@ietf.org Sent: 19 May 2021 22:21 To: Adrian Farrel ; Eric Rosen ; John Drake ; Keyur Patel ; Luay Ja

Re: [bess] Roman Danyliw's Discuss on draft-ietf-bess-datacenter-gateway-10: (with DISCUSS and COMMENT)

2021-05-19 Thread Adrian Farrel
Hi Roman, > DISCUSS: > -- > > RFC8402 tells us: > > (a)“Segment Routing domain (SR domain): the set of nodes participating > in the source-based routing model … > > (a.1) “These nodes may be connected to the same physical infrastructu

Re: [bess] Robert Wilton's No Objection on draft-ietf-bess-datacenter-gateway-10: (with COMMENT)

2021-05-19 Thread Adrian Farrel
Hi Rob, Interesting question. > COMMENT: > --- > > The draft has a manageability considerations section - thanks - but I would > like to check whether assignment of the SR domain identifier would expect to > be > configured via YANG

Re: [bess] [Last-Call] Genart last call review of draft-ietf-bess-datacenter-gateway-10

2021-05-19 Thread Adrian Farrel
Hi Gyan, Thanks for the work. > Attached is a txt version -gsm update of version 10 No attachment received. Best, Adrian ___ BESS mailing list BESS@ietf.org https://www.ietf.org/mailman/listinfo/bess

Re: [bess] Warren Kumari's Discuss on draft-ietf-bess-datacenter-gateway-10: (with DISCUSS)

2021-05-19 Thread Adrian Farrel
Hi Warren, Thanks for this. I'll try to unpick it. > DISCUSS: > --- > > I hope that I'm just misunderstanding something obvious, but I strongly > support > John's DISCUSS So far, so good: we are in discussions with John and believe we

Re: [bess] Alvaro Retana's No Objection on draft-ietf-bess-datacenter-gateway-10: (with COMMENT)

2021-05-18 Thread Adrian Farrel
Thanks Alvaro, > COMMENT: > -- > > The concept of an "SR domain identifier" is not part of rfc8402; it is > casually > introduced in §3: "A route target ([RFC4360]) is attached to each GW's > auto-discovery route and has its valu

Re: [bess] Erik Kline's No Objection on draft-ietf-bess-datacenter-gateway-10: (with COMMENT)

2021-05-18 Thread Adrian Farrel
Hi Erik, Yes, per other discussions resulting from IESG review and Directorate reviews, we need to clarify our use of the word "domain". The context of an "SR domain" in RFC 8402 is "all nodes participating in an SR system" and that is assumed to include nodes that are not physically adjacent

Re: [bess] Éric Vyncke's No Objection on draft-ietf-bess-datacenter-gateway-10: (with COMMENT)

2021-05-17 Thread Adrian Farrel
Hi Eric, | Thank you for the work put into this document. | | I support John Scudder's first DISCUSS point. Fair enough. What did you think of my response to John >> DISCUSS: >> >> 1. There’s surprisingly little in this document that seems to be SR-specific >> (and what there is, has some probl

Re: [bess] John Scudder's Discuss on draft-ietf-bess-datacenter-gateway-10: (with DISCUSS and COMMENT)

2021-05-16 Thread Adrian Farrel
, we could make this point clear by saying that the peering between GW1 and GW2 must be within the site. Cheers, Adrian From: John Scudder Sent: 14 May 2021 22:25 To: Adrian Farrel Cc: The IESG ; draft-ietf-bess-datacenter-gate...@ietf.org; bess-cha...@ietf.org; bess@ietf.org; Matthew

Re: [bess] [secdir] Secdir last call review of draft-ietf-bess-datacenter-gateway-10

2021-05-14 Thread Adrian Farrel
Hi Ben, Apologies and especially to Daniel. > I don't see any responses to this review in the mailarchive. It looks like > it was even sent before the end of the IETF LC, so I'm pretty surprised > that there was no response. (I'm particularly interested in the last > question about the security

Re: [bess] John Scudder's Discuss on draft-ietf-bess-datacenter-gateway-10: (with DISCUSS and COMMENT)

2021-05-14 Thread Adrian Farrel
Hi John, Thanks for the careful review. > DISCUSS: > > I have several points I’d like to discuss, listed below from most > general to most specific. > > 1. There’s surprisingly little in this document that seems to be SR-specific > (and what there is, has some problems, see below). Is there some

Re: [bess] John Scudder's Discuss on draft-ietf-bess-datacenter-gateway-10: (with DISCUSS and COMMENT)

2021-05-14 Thread Adrian Farrel
Hi John, I'm currently constructing a reply to your points. Extensive review deserves extensive answers. May take another day or two. Cheers, Adrian -Original Message- From: John Scudder via Datatracker Sent: 13 May 2021 22:41 To: The IESG Cc: draft-ietf-bess-datacenter-gate...@ietf.

Re: [bess] RtgDir Early review: draft-ietf-bess-datacenter-gateway-10.txt

2021-05-01 Thread Adrian Farrel
Hi Ravi, Thanks for taking the time and providing your review. Best, Adrian From: Ravi Singh Sent: 01 May 2021 07:42 To: bess-cha...@ietf.org; draft-ietf-bess-datacenter-gate...@ietf.org Cc: bess@ietf.org; rtg-...@ietf.org Subject: RtgDir Early review: draft-ietf-bess-datacenter-gate

[bess] FW: I-D Action: draft-drake-bess-enhanced-vpn-06.txt

2021-02-04 Thread Adrian Farrel
. Title : BGP-LS Filters : A Framework for Network Slicing and Enhanced VPNs Authors : John Drake Adrian Farrel Luay Jalil Avinash Lingala Filename: draft-drake-bess

Re: [bess] [Bier] PCE Controller & SDN Controller & Netconf/Yang NMS Controller - lines blurred and can the names be used ubiquitously meaning the same

2020-11-21 Thread Adrian Farrel
Hi again Gyan, I think we’re narrowing down and getting somewhat esoteric for the mailing lists we’re spamming. > Similarly other use cases such as with TEAS TS-Transport slice and being able > to provision TS and capturing the TS Enhanced VPN RT & resource information > and leveraging BGP-LS

Re: [bess] [Bier] PCE Controller & SDN Controller & Netconf/Yang NMS Controller - lines blurred and can the names be used ubiquitously meaning the same

2020-11-15 Thread Adrian Farrel
Hi Gyan, Sorry, I missed this (got caught on a filter cos it was a bit spammed to a lot of lists :-). > I have noticed that after reviewing many drafts across many WGs it seems in > the > industry that the lines seem to be blurred between a PCE controller, ODL or > Openflow SDN Controll

Re: [bess] Rtgdir last call review of draft-ietf-bess-mvpn-fast-failover-11

2020-10-28 Thread Adrian Farrel
Hi again, Thanks for rapid convergence. All good. Adrian Section 3 notes that the procedure (presumably the procedure defined in this section) is OPTIONAL. I didn't see anything similar in sections 4 and 5 stating that those procedures are optional. Presumably, since this document i

Re: [bess] Rtgdir last call review of draft-ietf-bess-mvpn-fast-failover-11

2020-10-28 Thread Adrian Farrel
Hello Greg, Thanks for this. I’m cutting down to places where we still need to interact. Look for [af] and blue text. Nothing alarming. Best, Adrian Section 3 notes that the procedure (presumably the procedure defined in this section) is OPTIONAL. I didn't see anything similar in

[bess] Rtgdir last call review of draft-ietf-bess-mvpn-fast-failover-11

2020-10-19 Thread Adrian Farrel via Datatracker
Reviewer: Adrian Farrel Review result: Has Issues Hello, I have been selected as the Routing Directorate reviewer for this draft. The Routing Directorate seeks to review all routing or routing-related drafts as they pass through IETF last call and IESG review, and sometimes on special request

Re: [bess] Benjamin Kaduk's Discuss on draft-ietf-bess-nsh-bgp-control-plane-15: (with DISCUSS and COMMENT)

2020-08-19 Thread Adrian Farrel
Ben, Thanks for the update. > DISCUSS: > > I think we may still need some text changes to clarify how the joint list > of SFIR-RD and SFIR Pool Identifier Extended Communities is constructed > and interpreted, and potentially need to register an RD Type matching > the other (TBD6+TBD7) values we

Re: [bess] Alvaro Retana's Discuss on draft-ietf-bess-nsh-bgp-control-plane-13: (with DISCUSS and COMMENT)

2020-08-19 Thread Adrian Farrel
Just coming back to you on this one, Alvaro > I'm not too keen on the use of treat-as-withdraw, specially because > the sender doesn't know that something happened. Knowing that the > communication is direct between the controller/classifier, I would > like to propose thinking of multiple com

Re: [bess] Murray Kucherawy's No Record on draft-ietf-bess-nsh-bgp-control-plane-15: (with COMMENT)

2020-08-19 Thread Adrian Farrel
Thanks Murray. -16 fixes "L3VPN", "NRLI", and "EVPN" I've also been back to check through Adam's Comment and fixed a few other bits and pieces. Best, Adrian -Original Message- From: BESS On Behalf Of Murray Kucherawy via Datatracker Sent: 22 June 2020 00:56 To: The IESG Cc: slitkows.i

Re: [bess] RtgDir Early review: draft-ietf-bess-datacenter-gateway.txt

2020-08-11 Thread Adrian Farrel
Hi Ravi, I’m doing housekeeping on this draft and find your review. It looks like we didn’t respond – sorry. Many thanks for the careful review. Comments are in line… Intended Status: Standards track (but is it the right one? Should this be informational instead, since no new enc

Re: [bess] Closing on Stephane's open issue with draft-ietf-bess-datacenter-gateway

2020-08-11 Thread Adrian Farrel
Hi Linda, Sorry that I missed this question from you… Adrian: On page 6, the second Bullet says that “Each GW constructs an import filtering rule to import any route that carries a route target with the same SR domain identifier that the GW itself uses” How about routes associated

Re: [bess] New version: draft-ietf-bess-datacenter-gateway-07.txt

2020-08-11 Thread Adrian Farrel
l encapsulation. On Thu, Jun 4, 2020 at 1:35 PM Adrian Farrel mailto:adr...@olddog.co.uk> > wrote: Hi, This late-breaking revision just tweaks for the discussion with Boris. Thanks, Adrian -Original Message- From: BESS mailto:bess-boun...@ietf.org> > On Behalf Of i

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

2020-07-31 Thread Adrian Farrel
d” to “forward/forwarded”. Regards; Basil From: Adrian Farrel mailto:adr...@olddog.co.uk> > Sent: July-28-20 10:07 AM To: Najem, Basil mailto:basil.na...@bell.ca> >; 'Linda Dunbar' mailto:linda.dun...@futurewei.com> >; bess@ietf.org <mailto:bess@ietf.org>

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

2020-07-28 Thread Adrian Farrel
e issue here Adrian? Can we capture this statement as per your suggestion and remove the word “route” (or routed) and replace it with “forward” (or forwarded)? Regards; Basil From: Adrian Farrel Sent: July-28-20 9:19 AM To: 'Linda Dunbar' ; Najem, Basil ; bess@ietf

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

2020-07-28 Thread Adrian Farrel
on can be routed based on specific performance criteria (e.g. packets delay, packet lose, jitter) to provide a better experience by choosing a tunnel over an underlay that meets or exceeds the specified performance criteria threshold for that application" Regards; Basil

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

2020-07-28 Thread Adrian Farrel
packets delay, packet lose, jitter) to provide a better experience by choosing a tunnel over an underlay that meets or exceeds the specified performance criteria threshold for that application" Regards; Basil -Original Message- From: Adrian Farrel Sent: July-28-20 8:01 AM To: bess@iet

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

2020-07-28 Thread Adrian Farrel
Hi, As Linda noted in her agenda slot today, draft-dunbar-bess-bgp-sdwan-usage version 08 introduced a new paragraph in the Introduction that says: - The Application Routing can also be based on specific performance criteria (e.g. packets delay, packet loos, jitter) to provide

Re: [bess] Alvaro Retana's Discuss on draft-ietf-bess-nsh-bgp-control-plane-13: (with DISCUSS and COMMENT)

2020-07-10 Thread Adrian Farrel
n the behavior for Extended communities already specified somewhere else. Just some digging help. :-) Alvaro. On July 10, 2020 at 3:56:44 PM, Adrian Farrel (adr...@olddog.co.uk <mailto:adr...@olddog.co.uk> ) wrote: Thanks. I can accept either of your suggestions. I'm

Re: [bess] Alvaro Retana's Discuss on draft-ietf-bess-nsh-bgp-control-plane-13: (with DISCUSS and COMMENT)

2020-07-10 Thread Adrian Farrel
Thanks Alvaro! >> "In an environment where there is concern that rogue Controllers might be >> introduced to the network and inject false SFPRs or take over and change >> existing SFPRs, it is RECOMMENDED that each SFF and Classifier be >> configured with the identities of authorised Controllers.

Re: [bess] Alvaro Retana's Discuss on draft-ietf-bess-nsh-bgp-control-plane-13: (with DISCUSS and COMMENT)

2020-07-05 Thread Adrian Farrel
Hello again, Alvaro. > > DISCUSS: >>> - >>> >>> (1) Controllers and other nodes. >>... >> So, you are right and we are highlighting it in the security section, and >> we can note the existing mitigations in a BGP-based routing system agai

Re: [bess] I-D Action: draft-ietf-bess-nsh-bgp-control-plane-15.txt

2020-06-15 Thread Adrian Farrel
Authors : Adrian Farrel John Drake Eric Rosen Jim Uttaro Luay Jalil Filename: draft-ietf-bess-nsh-bgp-control-plane-15.txt Pages : 69 Date

[bess] Discusses on draft-ietf-bess-nsh-bgp-control-plane

2020-06-12 Thread Adrian Farrel
Hi Discussing ADs, I appreciate that authors sat on your Discusses for a long time and that that means that they are not in a good place from which to ask you to move along. However 😊 I sent mail addressing your Discusses two weeks ago, and posted a new revision ten days ago. Is there anythin

[bess] New version: draft-ietf-bess-datacenter-gateway-07.txt

2020-06-04 Thread Adrian Farrel
Authors : Adrian Farrel John Drake Eric Rosen Keyur Patel Luay Jalil Filename: draft-ietf-bess-datacenter-gateway-07.txt Pages : 12 Date

[bess] Closing on Stephane's open issue with draft-ietf-bess-datacenter-gateway

2020-06-04 Thread Adrian Farrel
Hi, John and I had a chat today about what we perceive is Stephane's open issue. What we think the concern is is that we are using RTs in conjunction with normal (i.e., non-VPN) routes. We do this to allow gateways to filter their imports based on the RT that applies to the SR domain that it serv

Re: [bess] FURTHER REMINDER Re: WG Last Call, IPR and Implementation Poll for draft-ietf-bess-datacenter-gateway-04

2020-06-04 Thread Adrian Farrel
: matthew.bo...@nokia.com; bess@ietf.org; Adrian Farrel ; draft-ietf-bess-datacenter-gate...@ietf.org Subject: Re: [bess] FURTHER REMINDER Re: WG Last Call, IPR and Implementation Poll for draft-ietf-bess-datacenter-gateway-04 Hi Adrian! My comment is below. Thank you. SY, Boris On

Re: [bess] I-D Action: draft-ietf-bess-nsh-bgp-control-plane-14.txt

2020-06-02 Thread Adrian Farrel
: Adrian Farrel John Drake Eric Rosen Jim Uttaro Luay Jalil Filename: draft-ietf-bess-nsh-bgp-control-plane-14.txt Pages : 68 Date: 2020-06

Re: [bess] FURTHER REMINDER Re: WG Last Call, IPR and Implementation Poll for draft-ietf-bess-datacenter-gateway-04

2020-06-01 Thread Adrian Farrel
Hello again, [snip] >>> 2) Fig 1, IMO, needs additional information about which AS/ ASes >>> are used for Ingress and Egress SR Domains (Guess AS1 and AS2 >>> respectively, but it has to be shown). Current version looks a bit >>> confusing, for example, why we need AS3 on Fig.1? >> >> I

Re: [bess] FURTHER REMINDER Re: WG Last Call, IPR and Implementation Poll for draft-ietf-bess-datacenter-gateway-04

2020-06-01 Thread Adrian Farrel
Hi Boris, We waited for a prompt for the chairs to find out what the disposition of the draft was. > I read the draft and personally support its publication. Thanks. > Here are some comments: > > 1) Introduction part has the following statement: "Segment Routing (SR) > [RFC8402] > is a popul

Re: [bess] Alvaro Retana's Discuss on draft-ietf-bess-nsh-bgp-control-plane-13: (with DISCUSS and COMMENT)

2020-05-31 Thread Adrian Farrel
Hi Alvaro, Here is a more considered response to your review... > DISCUSS: > - > > (1) Controllers and other nodes. > > Background: This document defines the new SFC NLRI, which has two distinct > route types, originated by either a node

Re: [bess] RtgDir review: draft-ietf-bess-nsh-bgp-control-plane-13

2020-05-29 Thread Adrian Farrel
Hi Ravi, Thanks for a thorough and useful review. Responses in line… > Summary: > I have some minor concerns about this document that I think should be > resolved before publication. Doing so in -14 > Minor issues: > > Section2: During an initial reading, the terminology comes across as overl

Re: [bess] Benjamin Kaduk's Discuss on draft-ietf-bess-nsh-bgp-control-plane-13: (with DISCUSS and COMMENT)

2020-05-29 Thread Adrian Farrel
Hi Ben, Many thanks for the detailed review. Herewith responses to your Discuss and Comments. > DISCUSS: > -- > > Section 3.2.1.3 seems to talk about intermingling SFIR-RDs and > SFIR Pool Identifiers in a common list, but I do not

[bess] Roman Danyliw's Comments on draft-ietf-bess-nsh-bgp-control-plane-13

2020-05-28 Thread Adrian Farrel
Hi again Roman, Distinct thread from the one on your Discuss... > COMMENT: > - > > * Section 2.2. Could you please clarify connect between these two > statements about the SFC architecture: > > 1. “The SFIR is advertised by the nod

Re: [bess] REMINDER Re: WG Last Call, IPR and Implementation Poll for draft-ietf-bess-datacenter-gateway-04

2020-03-11 Thread Adrian Farrel
in the WG LC queue so we can iron out any final discussion points before running another last call. It would probably make sense to inform the spring WG as well since this is really about interconnecting SR-enabled domains. Cheers Matthew From: Adrian Farrel Organisation: Old Dog

Re: [bess] REMINDER Re: WG Last Call, IPR and Implementation Poll for draft-ietf-bess-datacenter-gateway-04

2020-03-09 Thread Adrian Farrel
Hi Matt, Sorry, did I miss this before? I am not aware of any IPR that needs to be disclosed and has not already been disclosed for this document. Of course (?) I support progressing this work which I think is a simple addition to enable quite a lot of function. I still regret that we used

Re: [bess] IETF 107 BESS meeting will be cancelled

2020-03-05 Thread Adrian Farrel
Hi Stephane, > Due to new coming corporate travel restrictions associated to this > Coronavirus, there will be no chair or secretary attending the > IETF 107 physically. That’s a shame, but understandable. > We will have to cancel the BESS sessions unfortunately. That does not fol

Re: [bess] Roman Danyliw's Discuss on draft-ietf-bess-nsh-bgp-control-plane-13: (with DISCUSS and COMMENT)

2019-12-19 Thread Adrian Farrel
Hi Roman, Without delving deeper (yet), why is this document any different from any other document in which BGP is used? Will you be placing a Discuss on every document coming out of IDR and BESS until there is a clear statement of how to secure BGP-based systems? Thanks, Adrian -Original

Re: [bess] Alvaro Retana's Discuss on draft-ietf-bess-nsh-bgp-control-plane-13: (with DISCUSS and COMMENT)

2019-12-19 Thread Adrian Farrel
Hi Alvaro, I'll think about this a little more when not on vacation, but I want to draw your attention to two things: > (1) Controllers and other nodes. 1. The controllers are not SDN controllers. They are not single omnipotent, all-seeing god boxes. They are boxes that control. They could be

Re: [bess] Barry Leiba's No Objection on draft-ietf-bess-nsh-bgp-control-plane-13: (with COMMENT)

2019-12-18 Thread Adrian Farrel
Hello Barry, Thanks for the comments. > — Section 1.2 — > > o Service Function Overlay Network. The logical network comprised > of Classifiers, SFFs, and SFIs that are connected by paths or > tunnels through underlay transport networks. > > You use “comprises” correctly four other t

Re: [bess] Adam Roach's No Objection on draft-ietf-bess-nsh-bgp-control-plane-13: (with COMMENT)

2019-12-18 Thread Adrian Farrel
Hi Adam, Thanks for this. > Please expand the following acronyms upon first use, in the abstract, and in > the title; see https://www.rfc-editor.org/materials/abbrev.expansion.txt for > guidance. Agreed. > All of the examples in these sections use IPv4 addresses exclusively. Please > update the

Re: [bess] Opsdir last call review of draft-ietf-bess-nsh-bgp-control-plane-13

2019-12-16 Thread Adrian Farrel
Thanks for this review. I see you were looking at the -13 revision which is the most recent. Per Brian Carpenter's GenArt review of -12 we added some text to clarify "controller". Section 1 a Controller (a centralized network component responsible for planning and coordinating Service F

Re: [bess] I-D Action: draft-ietf-bess-nsh-bgp-control-plane-13.txt

2019-12-13 Thread Adrian Farrel
Authors : Adrian Farrel John Drake Eric Rosen Jim Uttaro Luay Jalil Filename: draft-ietf-bess-nsh-bgp-control-plane-13.txt Pages : 59 Date

Re: [bess] Genart last call review of draft-ietf-bess-nsh-bgp-control-plane-12

2019-12-10 Thread Adrian Farrel
Hi Brian, Thanks for your time with this. In line... > Comments: > - > > I am not a BGP expert and did not check the BGP details. This > is a pretty complex mechanism so I would have liked to hear of > at least a lab-scale implementation. I wouldn't be shocked if > this was diverted to E

Re: [bess] IETF 106 presentation - please send request

2019-11-04 Thread Adrian Farrel
Hi, Do you have agenda space for draft-drake-bess-enhanced-vpn? We’ll be posting -02 in an hour or so. The document describes an approach to network slicing that uses BGP-LS to describe filters of the base network topology. The approach described is consistent with draft-ietf-teas-enhanc

[bess] New version of draft-ietf-bess-nsh-bgp-control-plane

2019-08-20 Thread Adrian Farrel
iceS WG of the IETF. Title : BGP Control Plane for NSH SFC Authors : Adrian Farrel John Drake Eric Rosen Jim Uttaro Luay Jalil Filename: draft

[bess] New version of draft-ietf-bess-datacenter-gateway

2019-08-20 Thread Adrian Farrel
Enabled Domain Interconnection Authors : Adrian Farrel John Drake Eric Rosen Keyur Patel Luay Jalil Filename: draft-ietf-bess-datacenter-gateway-03.txt

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

2019-06-03 Thread Adrian Farrel
Very happy to have more comments and help to clarify our text. At this stage the authors believe they have addressed all comments received during working group last call and from the shepherd’s review. But (of course) any review that points up a problem or suggests a clarification is a good

Re: [bess] Shepherd's review of draft-ietf-bess-nsh-bgp-control-plane-06

2019-05-30 Thread Adrian Farrel
Hi Stephane, Thanks again for the thoroughness of your review and the time it has taken to herd the necessary cats. * BGP ERROR HANDLING: I don’t see the “error handling” behavior associated with this attribute (discard, treat-as-withdraw…) >>> >>> I think the errors are covered by sec

Re: [bess] Shepherd's review of draft-ietf-bess-nsh-bgp-control-plane-06

2019-04-26 Thread Adrian Farrel
Well, since it's Upload Friday, I posted the new revision, but let me know if you think more changes are needed. Adrian -Original Message- From: BESS On Behalf Of Adrian Farrel Sent: 24 April 2019 18:38 To: stephane.litkow...@orange.com; draft-ietf-bess-nsh-bgp-control-pl...@iet

Re: [bess] Shepherd's review of draft-ietf-bess-nsh-bgp-control-plane-06

2019-04-24 Thread Adrian Farrel
t the Classifier component of the SFC system. This section seems to be relevant to the question you are asking. But this second section seems to have it all covered by modelling exactly the flowspec function used in BGP flow specification and adding an extended community for SFC. So, I think nothing

Re: [bess] Shepherd's review of draft-ietf-bess-nsh-bgp-control-plane-06

2019-03-06 Thread Adrian Farrel
Thanks again Stephane, I think we have closure on most (but not all) of your points. I'll post another revision now because it makes the incremental changes easier to process. But we can have another go round if any of the unresolved issues merit it. One thing to push back on from before was th

Re: [bess] Shepherd's review of draft-ietf-bess-nsh-bgp-control-plane-06

2019-03-01 Thread Adrian Farrel
Hello Stephane, Thanks for this review. It is very thorough and has helped improve the document. We have posted an update to the draft, and there are responses to your review, below. Thanks, Adrian > The document is globally well written with good examples that help the > understanding. > How

Re: [bess] I-D Action: draft-ietf-bess-datacenter-gateway-02.txt

2019-02-26 Thread Adrian Farrel
ft is available from the on-line Internet-Drafts directories. This draft is a work item of the BGP Enabled ServiceS WG of the IETF. Title : Gateway Auto-Discovery and Route Advertisement for Segment Routing Enabled Domain Interconnection Authors : Adrian F

Re: [bess] I-D Action: draft-ietf-bess-nsh-bgp-control-plane-07.txt

2019-02-26 Thread Adrian Farrel
lable from the on-line Internet-Drafts directories. This draft is a work item of the BGP Enabled ServiceS WG of the IETF. Title : BGP Control Plane for NSH SFC Authors : Adrian Farrel John Drake Eric

Re: [bess] I-D Action: draft-ietf-bess-nsh-bgp-control-plane-06.txt

2019-02-26 Thread Adrian Farrel
Keyur, Avinash. Brgds, -Original Message- From: BESS [mailto:bess-boun...@ietf.org] On Behalf Of Adrian Farrel Sent: Monday, February 25, 2019 18:39 To: bess@ietf.org Subject: Re: [bess] I-D Action: draft-ietf-bess-nsh-bgp-control-plane-06.txt All, Thanks for the comments we received duri

Re: [bess] I-D Action: draft-ietf-bess-nsh-bgp-control-plane-06.txt

2019-02-25 Thread Adrian Farrel
Enabled ServiceS WG of the IETF. Title : BGP Control Plane for NSH SFC Authors : Adrian Farrel John Drake Eric Rosen Jim Uttaro Luay Jalil Filename

Re: [bess] WGLC, IPR and implementation poll for draft-ietf-bess-nsh-bgp-control-plane

2019-01-23 Thread Adrian Farrel
Hi Stephane, I am not aware of any IPR that has not already been disclosed against this document. Thanks, Adrian From: BESS On Behalf Of stephane.litkow...@orange.com Sent: 21 January 2019 13:06 To: bess@ietf.org Cc: bess-cha...@ietf.org Subject: [bess] WGLC, IPR and implementation po

Re: [bess] WGLC, IPR and implementation poll for draft-ietf-bess-nsh-bgp-control-plane

2019-01-22 Thread Adrian Farrel
Hey Wim, Thanks for (not 😉 ) reading. Yes, MPLS-SFC was certainly in mind, but we wrote the initial document only for NSH, and so the document is named for that and fully scoped for that. I believe that draft-ietf-mpls-sfc-encapsulation is “only” an interface encapsulation of NSH. Thu

Re: [bess] short WGLC for draft-ietf-bess-service-chaining

2019-01-12 Thread Adrian Farrel
Stephane, Thanks for bringing this back for another last call. I think that the approach documented in this document is a fine solution for a somewhat limited SFC deployment. It has the benefits of using existing techniques and tools, and satisfies the need for a quick deployment solution f

Re: [bess] I-D Action: draft-ietf-bess-nsh-bgp-control-plane-05.txt

2019-01-12 Thread Adrian Farrel
-Drafts directories. This draft is a work item of the BGP Enabled ServiceS WG of the IETF. Title : BGP Control Plane for NSH SFC Authors : Adrian Farrel John Drake Eric Rosen Jim Uttaro

Re: [bess] Rtgdir last call review of draft-ietf-bess-evpn-df-election-framework-06

2018-12-15 Thread Adrian Farrel
Available from your favourite online bookseller. Or contact me to receive a signed copy by mail. -Original Message- From: Satya Mohanty (satyamoh) Sent: 14 December 2018 23:17 To: Rabadan, Jorge (Nokia - US/Mountain View) ; Adrian Farrel ; rtg-...@ietf.org; draft-ietf-bess-evpn-df-ele

[bess] Referencing material behind a paywall

2018-12-07 Thread Adrian Farrel
hanty (satyamoh) Sent: 07 December 2018 17:12 To: Adrian Farrel ; rtg-...@ietf.org Cc: draft-ietf-bess-evpn-df-election-framework@ietf.org; i...@ietf.org; bess@ietf.org Subject: Re: Rtgdir last call review of draft-ietf-bess-evpn-df-election-framework-06 Hi Adrian, Thank you very much fo

[bess] Rtgdir last call review of draft-ietf-bess-evpn-df-election-framework-06

2018-12-07 Thread Adrian Farrel
Reviewer: Adrian Farrel Review result: Has Nits Hello, I have been selected as the Routing Directorate reviewer for this draft. The Routing Directorate seeks to review all routing or routing-related drafts as they pass through IETF last call and IESG review, and sometimes on special request. The

Re: [bess] Some comments on draft-ietf-bess-nsh-bgp-control-plane-03

2018-07-02 Thread Adrian Farrel
|SFT=42|-- -- As shown above, SFIa, SFIb and SFIc are attached to SFF1, SFF5, and SFF6 respectively. Similarly, it is valid to use load balancing on SFPs or flows in this case. Cheers, Yuanlong From: Adrian Farre

[bess] Changes to draft-ietf-bess-nsh-bgp-control-plane-04.txt

2018-07-01 Thread Adrian Farrel
-D Action: draft-ietf-bess-nsh-bgp-control-plane-04.txt > > > A New Internet-Draft is available from the on-line Internet-Drafts directories. > This draft is a work item of the BGP Enabled ServiceS WG of the IETF. > > Title : BGP Control Plane for NSH S

Re: [bess] draft-ietf-bess-nsh-bgp-control-plane

2018-07-01 Thread Adrian Farrel
Wim asked... > would you consider adding an MPLS label to the SFIR route in order to > support https://tools.ietf.org/html/draft-malis-mpls-sfc-encapsulation-01. I think that the idea of making such an addition is fine, but (and no offence meant to the authors of draft-malis-mpls-sfc-encapsulation

Re: [bess] Some comments on draft-ietf-bess-nsh-bgp-control-plane-03

2018-07-01 Thread Adrian Farrel
Hey Yuanlong, Thanks for your thoughtful comments. > I had a review of draft-ietf-bess-nsh-bgp-control-plane-03, thank you for this useful > document and hope it can progress quickly. > > In my opinion, this version still has some ambiguities which need to be cleaned up: > > 1. In Section 3.1

Re: [bess] I-D Action: draft-ietf-bess-datacenter-gateway-01.txt

2018-05-02 Thread Adrian Farrel
able from the on-line Internet-Drafts directories. > This draft is a work item of the BGP Enabled ServiceS WG of the IETF. > > Title : Gateway Auto-Discovery and Route Advertisement for Segment > Routing Enabled Domain Interconnection > Authors : John Dr

Re: [bess] [sfc] [mpls] Progress with draft-farrel-mpls-sfc

2018-03-18 Thread Adrian Farrel
[mailto:wim.henderi...@nokia.com] Sent: 18 March 2018 07:26 To: Robert Raszuk; Adrian Farrel Cc: mpls; SPRING WG List; s...@ietf.org; bess@ietf.org Subject: Re: [sfc] [mpls] Progress with draft-farrel-mpls-sfc Indeed, this is exactly my point. If you want an interim solution you want to use wha

[bess] Update: I-D Action: draft-ietf-bess-nsh-bgp-control-plane-03.txt

2018-03-18 Thread Adrian Farrel
: draft-ietf-bess-nsh-bgp-control-plane-03.txt > > > A New Internet-Draft is available from the on-line Internet-Drafts directories. > This draft is a work item of the BGP Enabled ServiceS WG of the IETF. > > Title : BGP Control Plane for NSH SFC &g

[bess] L2SM working group last call on draft-ietf-l2sm-l2vpn-service-model

2018-02-11 Thread Adrian Farrel
Hi BESS, draft-ietf-l2sm-l2vpn-service-model is going through working group last call in L2SM. Please send your comments to the L2SM list. In exceptional circumstances you may send your comments via the L2SM chairs. Thanks, Adrian ___ BESS mailing lis

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