From fgont at si6networks.com Fri Apr 21 20:31:27 2023 From: fgont at si6networks.com (Fernando Gont) Date: Sat, 22 Apr 2023 01:31:27 +0200 Subject: [LAC-TF] "Demystifying IPv6 Kubernetes" (diapos KubeCon Europe 2023) Message-ID: <59fa8c81-cd7a-b68f-4e57-d21192463d74@si6networks.com> Estimades, Hoy hicimos una presentacion con Antonio Ojea en KubeCon Europe 2023 sobre Kubernetes & IPv6. Para el que ande en el tema, puede que le interese el material, ya que hay algunas cosas interesantes como para evaluar (hacer algo diferente en IPv6, en vez de hacer un mimic de la arqueitectura IPv4, sacandose una o dos capas de NAT de encima). Las diapos estan aqui: https://static.sched.com/hosted_files/kccnceu2023/37/Kubecon%20EU%202023-%20Demystifing%20IPv6%20Kubernetes.pdf Saludos, y thnx! -- Fernando Gont SI6 Networks e-mail: fgont at si6networks.com PGP Fingerprint: F242 FF0E A804 AF81 EB10 2F07 7CA1 321D 663B B494 From carlosm3011 at gmail.com Fri Apr 21 20:51:14 2023 From: carlosm3011 at gmail.com (Carlos Marcelo Martinez Cagnazzo) Date: Fri, 21 Apr 2023 20:51:14 -0300 Subject: [LAC-TF] [lacnog] "Demystifying IPv6 Kubernetes" (diapos KubeCon Europe 2023) In-Reply-To: <59fa8c81-cd7a-b68f-4e57-d21192463d74@si6networks.com> References: <59fa8c81-cd7a-b68f-4e57-d21192463d74@si6networks.com> Message-ID: <6aba31d1-810a-47c7-89df-8b82d02cbbc5@gmail.com>
Muy bueno, es un tema poco tratado y mal entendido 


On Fri, Apr 21, 2023 at 20:31, Fernando Gont <fgont at si6networks.com> wrote:
Estimades,

Hoy hicimos una presentacion con Antonio Ojea en KubeCon Europe 2023
sobre Kubernetes & IPv6.

Para el que ande en el tema, puede que le interese el material, ya que
hay algunas cosas interesantes como para evaluar (hacer algo diferente
en IPv6, en vez de hacer un mimic de la arqueitectura IPv4, sacandose
una o dos capas de NAT de encima).

Las diapos estan aqui:
static.sched.com/hosted_files/kccnceu2023/37/Kubecon EU 2023- Demystifing IPv6 Kubernetes.pdf

Saludos, y thnx!
--
Fernando Gont
SI6 Networks
e-mail: fgont at si6networks.com
PGP Fingerprint: F242 FF0E A804 AF81 EB10 2F07 7CA1 321D 663B B494
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-------------- next part -------------- An HTML attachment was scrubbed... URL: From fgont at si6networks.com Fri Apr 21 21:39:33 2023 From: fgont at si6networks.com (Fernando Gont) Date: Sat, 22 Apr 2023 02:39:33 +0200 Subject: [LAC-TF] [lacnog] "Demystifying IPv6 Kubernetes" (diapos KubeCon Europe 2023) In-Reply-To: <6aba31d1-810a-47c7-89df-8b82d02cbbc5@gmail.com> References: <59fa8c81-cd7a-b68f-4e57-d21192463d74@si6networks.com> <6aba31d1-810a-47c7-89df-8b82d02cbbc5@gmail.com> Message-ID: Thnx! Parte de la motivacio era/es plantear de hacer algo diferente con IPv6 -- ya que hoy dia una de las implementaciones de referencia basicamente utiliza ULA (*) mas dos capas de NAT (una para el load balancer, y otra para la capa de servicio). (*) Dada las dos capaas de NAT, es irrelevante que si se usa ULA o GUA "alla abajo", igual :-) On 22/4/23 01:51, Carlos Marcelo Martinez Cagnazzo wrote: > Muy bueno, es un tema poco tratado y mal entendido > > via Newton Mail > > > On Fri, Apr 21, 2023 at 20:31, Fernando Gont > wrote: > > Estimades, > > Hoy hicimos una presentacion con Antonio Ojea en KubeCon Europe 2023 > sobre Kubernetes & IPv6. > > Para el que ande en el tema, puede que le interese el material, ya que > hay algunas cosas interesantes como para evaluar (hacer algo diferente > en IPv6, en vez de hacer un mimic de la arqueitectura IPv4, sacandose > una o dos capas de NAT de encima). > > Las diapos estan aqui: > static.sched.com/hosted_files/kccnceu2023/37/Kubecon EU 2023- > Demystifing IPv6 Kubernetes.pdf > > > Saludos, y thnx! > -- > Fernando Gont > SI6 Networks > e-mail: fgont at si6networks.com > PGP Fingerprint: F242 FF0E A804 AF81 EB10 2F07 7CA1 321D 663B B494 > _______________________________________________ > LACNOG mailing list > LACNOG at lacnic.net > mail.lacnic.net/mailman/listinfo/lacnog > > Cancelar suscripcion: mail.lacnic.net/mailman/options/lacnog > > > > _______________________________________________ > LACTF mailing list > LACTF at lacnic.net > https://mail.lacnic.net/mailman/listinfo/lactf > Cancelar suscripcion: lactf-unsubscribe at lacnic.net -- Fernando Gont SI6 Networks e-mail: fgont at si6networks.com PGP Fingerprint: F242 FF0E A804 AF81 EB10 2F07 7CA1 321D 663B B494 From fgont at si6networks.com Fri Apr 21 21:39:33 2023 From: fgont at si6networks.com (Fernando Gont) Date: Sat, 22 Apr 2023 02:39:33 +0200 Subject: [LAC-TF] [lacnog] "Demystifying IPv6 Kubernetes" (diapos KubeCon Europe 2023) In-Reply-To: <6aba31d1-810a-47c7-89df-8b82d02cbbc5@gmail.com> References: <59fa8c81-cd7a-b68f-4e57-d21192463d74@si6networks.com> <6aba31d1-810a-47c7-89df-8b82d02cbbc5@gmail.com> Message-ID: Thnx! Parte de la motivacio era/es plantear de hacer algo diferente con IPv6 -- ya que hoy dia una de las implementaciones de referencia basicamente utiliza ULA (*) mas dos capas de NAT (una para el load balancer, y otra para la capa de servicio). (*) Dada las dos capaas de NAT, es irrelevante que si se usa ULA o GUA "alla abajo", igual :-) On 22/4/23 01:51, Carlos Marcelo Martinez Cagnazzo wrote: > Muy bueno, es un tema poco tratado y mal entendido > > via Newton Mail > > > On Fri, Apr 21, 2023 at 20:31, Fernando Gont > wrote: > > Estimades, > > Hoy hicimos una presentacion con Antonio Ojea en KubeCon Europe 2023 > sobre Kubernetes & IPv6. > > Para el que ande en el tema, puede que le interese el material, ya que > hay algunas cosas interesantes como para evaluar (hacer algo diferente > en IPv6, en vez de hacer un mimic de la arqueitectura IPv4, sacandose > una o dos capas de NAT de encima). > > Las diapos estan aqui: > static.sched.com/hosted_files/kccnceu2023/37/Kubecon EU 2023- > Demystifing IPv6 Kubernetes.pdf > > > Saludos, y thnx! > -- > Fernando Gont > SI6 Networks > e-mail: fgont at si6networks.com > PGP Fingerprint: F242 FF0E A804 AF81 EB10 2F07 7CA1 321D 663B B494 > _______________________________________________ > LACNOG mailing list > LACNOG at lacnic.net > mail.lacnic.net/mailman/listinfo/lacnog > > Cancelar suscripcion: mail.lacnic.net/mailman/options/lacnog > > > > _______________________________________________ > LACTF mailing list > LACTF at lacnic.net > https://mail.lacnic.net/mailman/listinfo/lactf > Cancelar suscripcion: lactf-unsubscribe at lacnic.net -- Fernando Gont SI6 Networks e-mail: fgont at si6networks.com PGP Fingerprint: F242 FF0E A804 AF81 EB10 2F07 7CA1 321D 663B B494 From fgont at si6networks.com Mon Apr 24 11:06:46 2023 From: fgont at si6networks.com (Fernando Gont) Date: Mon, 24 Apr 2023 15:06:46 +0100 Subject: [LAC-TF] IPv6 Security & Myth Busting (UK IPv6 Council's "Enterprises & IPv6" workshop. April 24, 2023) Message-ID: <52dfa4c3-46a4-80db-e04d-979cbeed7c50@si6networks.com> Estimades, FYI: https://www.slideshare.net/fgont/ipv6-security-and-myth-busting Con seccion sobre IPv6 NAT y ULAs (vengan de a uno ;-) ) Slds, y gracias! -- Fernando Gont SI6 Networks e-mail: fgont at si6networks.com PGP Fingerprint: F242 FF0E A804 AF81 EB10 2F07 7CA1 321D 663B B494 From fgont at si6networks.com Thu Apr 27 19:48:52 2023 From: fgont at si6networks.com (Fernando Gont) Date: Thu, 27 Apr 2023 23:48:52 +0100 Subject: [LAC-TF] Fwd: [IPv6] I-D Action: draft-ietf-6man-slaac-renum-06.txt In-Reply-To: <168263514887.49135.9051210693130443558@ietfa.amsl.com> References: <168263514887.49135.9051210693130443558@ietfa.amsl.com> Message-ID: <31a88a93-da30-f623-65b2-2b26e467a5e9@si6networks.com> Estimades, Update de nuestro draft "Improving the Robustness of Stateless Address Autoconfiguration (SLAAC) to Flash Renumbering Events" Link: https://www.ietf.org/archive/id/draft-ietf-6man-slaac-renum-06.txt En otros formatos: https://datatracker.ietf.org/doc/draft-ietf-6man-slaac-renum/ Algunas de estas cosas pueden ir aplicandolas operacionalmente. Slds,y gracias! Fernando -------- Forwarded Message -------- Subject: [IPv6] I-D Action: draft-ietf-6man-slaac-renum-06.txt Date: Thu, 27 Apr 2023 15:39:08 -0700 From: internet-drafts at ietf.org Reply-To: ipv6 at ietf.org To: i-d-announce at ietf.org CC: ipv6 at ietf.org A New Internet-Draft is available from the on-line Internet-Drafts directories. This Internet-Draft is a work item of the IPv6 Maintenance (6MAN) WG of the IETF. Title : Improving the Robustness of Stateless Address Autoconfiguration (SLAAC) to Flash Renumbering Events Authors : Fernando Gont Jan Zorz Richard Patterson Filename : draft-ietf-6man-slaac-renum-06.txt Pages : 15 Date : 2023-04-27 Abstract: In renumbering scenarios where an IPv6 prefix suddenly becomes invalid, hosts on the local network will continue using stale prefixes for an unacceptably long period of time, thus resulting in connectivity problems. This document improves the reaction of IPv6 Stateless Address Autoconfiguration to such renumbering scenarios. The IETF datatracker status page for this Internet-Draft is: https://datatracker.ietf.org/doc/draft-ietf-6man-slaac-renum/ There is also an htmlized version available at: https://datatracker.ietf.org/doc/html/draft-ietf-6man-slaac-renum-06 A diff from the previous version is available at: https://author-tools.ietf.org/iddiff?url2=draft-ietf-6man-slaac-renum-06 Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6 at ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 -------------------------------------------------------------------- From fgont at si6networks.com Thu Apr 27 22:57:33 2023 From: fgont at si6networks.com (Fernando Gont) Date: Fri, 28 Apr 2023 02:57:33 +0100 Subject: [LAC-TF] (IPv6 SLAAC) Lifetime Avoidance Algorithm (IETF I-D: Fwd: New Version Notification for draft-gont-6man-lta-00.txt) In-Reply-To: <168264423253.49916.7871191977607642983@ietfa.amsl.com> References: <168264423253.49916.7871191977607642983@ietfa.amsl.com> Message-ID: <70752767-cf26-bfc4-9035-48cb375bc057@si6networks.com> Estimades, Re-submiteamos este algoritmo en un draft stand-alone. Creo que un algoritmo de este tipo es crucial para poder solucionar los problemas descriptos en RFC8978. Link: https://datatracker.ietf.org/doc/draft-gont-6man-lta/ Todo feedback sera bienvenido. Thnx, Fernando -------- Forwarded Message -------- Subject: New Version Notification for draft-gont-6man-lta-00.txt Date: Thu, 27 Apr 2023 18:10:32 -0700 From: internet-drafts at ietf.org To: Fernando Gont , Jan Zorz , Richard Patterson A new version of I-D, draft-gont-6man-lta-00.txt has been successfully submitted by Fernando Gont and posted to the IETF repository. Name: draft-gont-6man-lta Revision: 00 Title: Lifetime Avoidance Algorithm Document date: 2023-04-27 Group: Individual Submission Pages: 11 URL: https://www.ietf.org/archive/id/draft-gont-6man-lta-00.txt Status: https://datatracker.ietf.org/doc/draft-gont-6man-lta/ Htmlized: https://datatracker.ietf.org/doc/html/draft-gont-6man-lta Abstract: In renumbering scenarios where an IPv6 prefix suddenly becomes invalid, hosts on the local network will continue using stale prefixes for an unacceptably long period of time, thus resulting in connectivity problems. This document specifies an algorithm that allows host implementations to infer when configuraton information has changed, such that they can phase stale information out in a timelier manner. The IETF Secretariat From fischerdouglas at gmail.com Fri Apr 28 07:28:20 2023 From: fischerdouglas at gmail.com (Douglas Fischer) Date: Fri, 28 Apr 2023 07:28:20 -0300 Subject: [LAC-TF] [lacnog] Fwd: [IPv6] I-D Action: draft-ietf-6man-slaac-renum-06.txt In-Reply-To: <31a88a93-da30-f623-65b2-2b26e467a5e9@si6networks.com> References: <168263514887.49135.9051210693130443558@ietfa.amsl.com> <31a88a93-da30-f623-65b2-2b26e467a5e9@si6networks.com> Message-ID: Essa era uma coisa que eu esperava h? muito tempo! Talvez agora possa repensar minha posi??o de que DHCPv6 > SLAAC para WAN de subscribers de BNG. Como conservador, ainda sigo defendendo DHCPv6. Em qui., 27 de abr. de 2023 ?s 19:49, Fernando Gont escreveu: > Estimades, > > Update de nuestro draft "Improving the Robustness of Stateless Address > Autoconfiguration (SLAAC) to Flash Renumbering Events" > > Link: https://www.ietf.org/archive/id/draft-ietf-6man-slaac-renum-06.txt > En otros formatos: > https://datatracker.ietf.org/doc/draft-ietf-6man-slaac-renum/ > > Algunas de estas cosas pueden ir aplicandolas operacionalmente. > > Slds,y gracias! > Fernando > > > > > -------- Forwarded Message -------- > Subject: [IPv6] I-D Action: draft-ietf-6man-slaac-renum-06.txt > Date: Thu, 27 Apr 2023 15:39:08 -0700 > From: internet-drafts at ietf.org > Reply-To: ipv6 at ietf.org > To: i-d-announce at ietf.org > CC: ipv6 at ietf.org > > > A New Internet-Draft is available from the on-line Internet-Drafts > directories. This Internet-Draft is a work item of the IPv6 Maintenance > (6MAN) > WG of the IETF. > > Title : Improving the Robustness of Stateless Address > Autoconfiguration (SLAAC) to Flash Renumbering Events > Authors : Fernando Gont > Jan Zorz > Richard Patterson > Filename : draft-ietf-6man-slaac-renum-06.txt > Pages : 15 > Date : 2023-04-27 > > Abstract: > In renumbering scenarios where an IPv6 prefix suddenly becomes > invalid, hosts on the local network will continue using stale > prefixes for an unacceptably long period of time, thus resulting in > connectivity problems. This document improves the reaction of IPv6 > Stateless Address Autoconfiguration to such renumbering scenarios. > > The IETF datatracker status page for this Internet-Draft is: > https://datatracker.ietf.org/doc/draft-ietf-6man-slaac-renum/ > > There is also an htmlized version available at: > https://datatracker.ietf.org/doc/html/draft-ietf-6man-slaac-renum-06 > > A diff from the previous version is available at: > https://author-tools.ietf.org/iddiff?url2=draft-ietf-6man-slaac-renum-06 > > Internet-Drafts are also available by rsync at > rsync.ietf.org::internet-drafts > > > -------------------------------------------------------------------- > IETF IPv6 working group mailing list > ipv6 at ietf.org > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > -------------------------------------------------------------------- > _______________________________________________ > LACNOG mailing list > LACNOG at lacnic.net > https://mail.lacnic.net/mailman/listinfo/lacnog > Cancelar suscripcion: https://mail.lacnic.net/mailman/options/lacnog > -- Douglas Fernando Fischer Eng? de Controle e Automa??o -------------- next part -------------- An HTML attachment was scrubbed... URL: From fgont at si6networks.com Sun Apr 30 09:56:45 2023 From: fgont at si6networks.com (Fernando Gont) Date: Sun, 30 Apr 2023 13:56:45 +0100 Subject: [LAC-TF] [lacnog] Fwd: [IPv6] I-D Action: draft-ietf-6man-slaac-renum-06.txt In-Reply-To: References: <168263514887.49135.9051210693130443558@ietfa.amsl.com> <31a88a93-da30-f623-65b2-2b26e467a5e9@si6networks.com> Message-ID: <358278a9-201f-1c2e-7f98-8bdcc728db6a@si6networks.com> Oi, Henri, On 28/4/23 12:20, Henri Alves de Godoy wrote: > Obrigado Fernando, > > At? o ano passado os computadores conectados na LAN com SO Windows 11 da > Universidade apresentavam esse comportamento, conforme figura anexa > nesse email. Isso acontence, por ejemplo, cuando o mismo router deija de anunciar un prefixo (sem anunci?-lo pela ?ltima vez com um tempo de vida de 0), y come?a a anunciar un prefijo novo? Eu vou tentar reproducir estos casos.... > Com rela??o de como deve ser a entrega de endere?os, depende muito do > seu ambiente de trabalho e do seu perfil de usu?rio final.? Na maioria > das vezes voc? tem que combinar as duas formas existentes: SLAAC e > DHCPv6. Obrigado pelo Android... rsrs Obrigado, -- Fernando Gont SI6 Networks e-mail: fgont at si6networks.com PGP Fingerprint: F242 FF0E A804 AF81 EB10 2F07 7CA1 321D 663B B494