Rare project developers

[mc36 <>]

hi,
scroll back on this thread and check out those commits i mentioned...
these two are too far and have much other stuff...
regards,
cs


On 11/2/21 15:53, Cristina Klippel Dominicini wrote:
> Hi, Frederic,
>
> No problem. It was good that we have more time to explore the huge (and super 
> fast) effort Csaba did to include PolKA into freeRouter.
>
> @Csaba, I am comparing these two commits. Are they good references of start 
> and end of PolKA development?
> https://github.com/mc36/freeRouter/compare/04f6a662d44b1e618bcb099346693c4be8e5ed52...41a71b143c2ad63249155711d8e166ab5b11fd0d
>
> Best regards,
> Cristina
>
> ________________________________________
> De: Frédéric LOUI <>
> Enviado: terça-feira, 2 de novembro de 2021 11:47
> Para: 
> Cc: Cristina Klippel Dominicini; Magnos Martinello; Rafael Silva Guimarães; 
> Moises R. N. Ribeiro
> Assunto: Re: [rare-dev] polka is approaching rare... was: Re: custom crc32 
> library in freerouter
>
> My bad, wrongly assumed that the « S » in CEST was "S"aving time like in 
> Daily Saving Time  :3
>
> My bad I’d would put CET from now on !
>
> > Le 2 nov. 2021 à 15:23, mc36 <> a écrit :
> >
> > okk, the meeting room is closed again so let's wait then... :)
> >
> > On 11/2/21 15:21, mc36 wrote:
> > > hihi,
> > > my bad, frederic really said ceSt in the mail so it's summer time...
> > > anyway if you're in them im going too... :)
> > > regards,
> > > cs
> > > On 11/2/21 15:20, Cristina Klippel Dominicini wrote:
> > > > Sorry... the invitation was in CEST and we didn't realize the timezone 
> > > > change. Jordi opened the VC and explained it.
> > > >
> > > > It's because we're looking forward to the demo :-D
> > > >
> > > > Thanks,
> > > > Cristina
> > > >
> > > > ________________________________________
> > > > De:  <> em nome de 
> > > > mc36 <>
> > > > Enviado: terça-feira, 2 de novembro de 2021 11:15
> > > > Para: Cristina Klippel Dominicini; Magnos Martinello; Frédéric 
> > > > LOUI; 
> > > > Cc: Rafael Silva Guimarães; Moises R. N. Ribeiro
> > > > Assunto: Re: [rare-dev] polka is approaching rare... was: Re: custom crc32 
> > > > library in freerouter
> > > >
> > > > hi,
> > > > since we moved to the winter time so you'll have to wait an additional 
> > > > hour... :)
> > > > thanks,
> > > > cs
> > > >
> > > >
> > > > On 11/2/21 15:08, Cristina Klippel Dominicini wrote:
> > > > > Hi all,
> > > > >
> > > > >
> > > > > The VC meeting is not opening here... did the timezone change? The invitation 
> > > > > was for 4PM CEST, which is 11AM in Brazil.
> > > > >
> > > > >
> > > > > Thanks,
> > > > >
> > > > > Cristina
> > > > >
> > > > >
> > > > > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> > > > > *De:*  <> em nome 
> > > > > de Cristina Klippel Dominicini <>
> > > > > *Enviado:* terça-feira, 2 de novembro de 2021 10:55
> > > > > *Para:* Magnos Martinello; Frédéric LOUI
> > > > > *Cc:* ; ; Rafael Silva 
> > > > > Guimarães; Moises R. N. Ribeiro
> > > > > *Assunto:* Re: [rare-dev] polka is approaching rare... was: Re: custom crc32 
> > > > > library in freerouter
> > > > >
> > > > >
> > > > > That is great, Frederic! :-D
> > > > >
> > > > >
> > > > > Rafael, Moises and I will join the meeting.
> > > > >
> > > > >
> > > > > Best regards,
> > > > >
> > > > > Cristina
> > > > >
> > > > >
> > > > > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> > > > > *De:* Magnos Martinello <>
> > > > > *Enviado:* segunda-feira, 1 de novembro de 2021 19:05
> > > > > *Para:* Frédéric LOUI
> > > > > *Cc:* Cristina Klippel Dominicini; ; ; Rafael 
> > > > > Silva Guimarães; Moises R. N. Ribeiro
> > > > > *Assunto:* Re: [rare-dev] polka is approaching rare... was: Re: custom crc32 
> > > > > library in freerouter
> > > > > Guys,
> > > > >
> > > > > We are very happy with the PolKA integration in the free router.
> > > > >
> > > > > Tomorrow I cannot join the meeting tomorrow at 11 AM, but maybe the 
> > > > > others will attend the meeting . I am out of Vitoria so if you may record the 
> > > > > call, that will be great.
> > > > >
> > > > > Cheers
> > > > >
> > > > >
> > > > >
> > > > > On Mon, 1 Nov 2021 at 18:58, Frédéric LOUI 
> > > > > < <>> wrote:
> > > > >
> > > > >
> > > > > Â Â Â Â Â  > @Frederic, is tomorrow freeRouter's meeting confirmed?
> > > > > Â Â Â Â  Of course ! IIRC, we have planned to have Csaba doing a 
> > > > > RARE/freeRtr Polka demo âEUR¦
> > > > >
> > > > > Â Â Â Â  So I strongly advise the UFES gang :) ton join us !
> > > > >
> > > > >
> > > > >       > Le 1 nov. 2021 à 22:30, Cristina Klippel Dominicini 
> > > > > < <>> a 
> > > > > écrit :
> > > > > Â Â Â Â Â  >
> > > > > Â Â Â Â Â  > Hi Csaba,
> > > > > Â Â Â Â Â  >
> > > > > Â Â Â Â Â  > Thank you very much for your support. We are very happy 
> > > > > with the fast progress of the PolKA integration into freeRouter. We are now 
> > > > > trying to test and exploring your
> > > > > Â Â Â Â  modifications in the freeRouter code to understand how to 
> > > > > contribute.
> > > > > Â Â Â Â Â  > @Frederic, is tomorrow freeRouter's meeting confirmed? I 
> > > > > think it would be a good opportunity to wrap up our current status and next 
> > > > > steps.
> > > > > Â Â Â Â Â  >
> > > > > Â Â Â Â Â  > Regarding the nodeIDs, in the Chinese Remainder Theorem, it 
> > > > > is sufficient if the nodeID polynomials are pairwise relatively prime (Section 
> > > > > 17.4 of
> > > > > Â Â Â Â  https://shoup.net/ntb/ntb-v2.pdf 
> > > > > <https://shoup.net/ntb/ntb-v2.pdf>). For simplicity purposes, we use 
> > > > > irreducible polynomials to assure this condition for any case (similar to
> > > > > Â Â Â Â  prime numbers in the integer arithmetic). Please, find attached 
> > > > > an example table of irreducible polynomials. I refactored the code and have 
> > > > > just submitted a new commit in the
> > > > > Â Â Â Â  shared repository to include the computation of nodeID 
> > > > > polynomials with some examples (a random test and also a test using the 
> > > > > values from the ONDM paper). I added a simple
> > > > > Â Â Â Â  code that tests all the bit possibilities to generate a list of 
> > > > > n irreducible polynomials of a specific degree (for real scenarios, I believe 
> > > > > the best approach is to lookup a
> > > > > Â Â Â Â  precomputed list of nodeids). Please let me know if this code 
> > > > > helps. We still have to produce more mature control plane functionalities 
> > > > > that explore these basic functions.
> > > > > Â Â Â Â Â  >
> > > > > Â Â Â Â Â  > Regarding the design choices, the discussions with you, 
> > > > > Frederic and Jordi, were very helpful to tune our arguments about the potential 
> > > > > benefits of PolKA:
> > > > > Â Â Â Â Â  > - Tables: In the paper, one argument was that PolKA reduces 
> > > > > the number of states by not relying on tables. However, I agree with you that 
> > > > > the use of an almost static table
> > > > > Â Â Â Â  to map the index of the next hops does not discredit the 
> > > > > original argument. Thus, your suggestion to use BGP/IGP for node discovery 
> > > > > and reuse the Segment Routing identifiers
> > > > > Â Â Â Â  seems to be a very good solution. We still reduce the management 
> > > > > burden of maintaining routing tables when compared with traditional 
> > > > > approaches.
> > > > > Â Â Â Â Â  > - Header rewrite: In the paper, one argument was that PolKA 
> > > > > does not need to rewrite the routeid in the packet in each hop. However, I agree 
> > > > > with you that we need to rewrite
> > > > > Â Â Â Â  at least a TTL field and ethernet address to prevent loops and 
> > > > > allow PolKA packets to traverse bridged networks, respectively. Thus, I think 
> > > > > we shouldn't focus on this argument.
> > > > > Â Â Â Â Â  > - Fixed header size: In the paper, we briefly show that 
> > > > > PolKA's pipeline is simpler to implement when compared to a list based approach, 
> > > > > because it does not need to operate
> > > > > Â Â Â Â  over variable headers. As you said, this can be a strong benefit 
> > > > > considering the current hardware limitations in the maximum number of hops 
> > > > > for var header operations, as used
> > > > > Â Â Â Â  in segment routing.
> > > > > Â Â Â Â Â  >
> > > > > Â Â Â Â Â  > From your previous email:
> > > > > Â Â Â Â Â  >>> some more progess here, as you're carrying ethertype 
> > > > > within polka header, i added some mpls over polka test cases... so one can tunnel mpls 
> > > > > vpns (both layer2 and layer3)
> > > > > Â Â Â Â  through a polka domain... 
> > > > > https://github.com/mc36/freeRouter/commit/aa261c3e3a5bf33f85e8068cf7555653f24c4e85
> > > > > Â Â Â Â  
> > > > > <https://github.com/mc36/freeRouter/commit/aa261c3e3a5bf33f85e8068cf7555653f24c4e85>
> > > > > Â Â Â Â Â  > Nice! We used the Ethernet header as a Proof of Concept, 
> > > > > but we could encapsulate the PolKA header in other protocols if you think it is 
> > > > > more adequate.
> > > > > Â Â Â Â Â  >
> > > > > Â Â Â Â Â  > Best Regards,
> > > > > Â Â Â Â Â  > Cristina
> > > > > Â Â Â Â Â  >
> > > > > Â Â Â Â Â  > ________________________________________
> > > > > Â Â Â Â Â  > De: mc36 < <>>
> > > > >       > Enviado: sábado, 30 de outubro de 2021 06:24
> > > > > Â Â Â Â Â  > Para:  
> > > > > <>; Frédéric LOUI
> > > > > Â Â Â Â Â  > Cc: Cristina Klippel Dominicini; Rafael Silva 
> > > > > Guimarães; Moises R. N. Ribeiro; Magnos Martinello
> > > > > Â Â Â Â Â  > Assunto: Re: [rare-dev] polka is approaching rare... was: 
> > > > > Re: custom crc32 library in freerouter
> > > > > Â Â Â Â Â  >
> > > > > Â Â Â Â Â  >>
> > > > > Â Â Â Â Â  >> So basically Polka should be live and kicking in P4 LAB 
> > > > > using RARE/freeRtr ?
> > > > > Â Â Â Â Â  >>
> > > > > Â Â Â Â Â  >> PS: Please let me know if you need P4 dataplane and 
> > > > > bf_forwarder.py to be upgraded.
> > > > > Â Â Â Â Â  >>
> > > > > Â Â Â Â Â  >
> > > > > Â Â Â Â Â  > so yeahhh, the freerouter upgrade does not carry (at the 
> > > > > moment:) the tofino.bin....
> > > > > Â Â Â Â Â  > so well the lab need a fresh bfrouter and bfforwarder... 
> > > > > also, some features needed
> > > > > Â Â Â Â Â  > to be taken out here because we ran out of stages... at my 
> > > > > case it was multicast,
> > > > > Â Â Â Â Â  > as it's a core (P) router here so no need for raw ip 
> > > > > multicast, bier is enough 4 me...
> > > > > Â Â Â Â Â  > attaching the constants table used to configure my 
> > > > > stordis...
> > > > > Â Â Â Â Â  >
> > > > > Â Â Â Â Â  > regards,
> > > > > Â Â Â Â Â  > cs
> > > > > Â Â Â Â Â  >
> > > > > Â Â Â Â Â  > ________________________________
> > > > > Â Â Â Â Â  >
> > > > >       > Esta mensagem (incluindo anexos) contém 
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> > > > > Â Â Â Â  deve apagar esta mensagem.
> > > > > Â Â Â Â Â  >
> > > > >       > O emitente desta mensagem é 
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> > > > >       > Cabe ao destinatário cuidar quanto ao 
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> > > > > reprodução e/ou 
> > > > > distribuição sem a devida 
> > > > > autorização ou qualquer outra 
> > > > > ação sem conformidade com as
> > > > >      normas internas do Ifes são proibidas e 
> > > > > passíveis de sanção 
> > > > > disciplinar, cível e criminal.
> > > > > Â Â Â Â Â  > <poly.pdf>
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > ---
> > > > > Magnos Martinello
> > > > >
> > > > >
> > > > > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> > > > >
> > > > > Esta mensagem (incluindo anexos) contém 
> > > > > informação confidencial destinada a um 
> > > > > usuário específico e seu 
> > > > > conteúdo é protegido por lei. Se 
> > > > > você não é o 
> > > > > destinatário correto deve
> > > > > apagar esta mensagem.
> > > > >
> > > > > O emitente desta mensagem é responsável por 
> > > > > seu conteúdo e endereçamento.
> > > > > Cabe ao destinatário cuidar quanto ao tratamento adequado. A 
> > > > > divulgação, 
> > > > > reprodução e/ou 
> > > > > distribuição sem a devida 
> > > > > autorização ou qualquer outra 
> > > > > ação sem conformidade com as normas
> > > > > internas do Ifes são proibidas e passíveis de 
> > > > > sanção disciplinar, cível e 
> > > > > criminal.
> > > > >
> > > > > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> > > > >
> > > > > Esta mensagem (incluindo anexos) contém 
> > > > > informação confidencial destinada a um 
> > > > > usuário específico e seu 
> > > > > conteúdo é protegido por lei. Se 
> > > > > você não é o 
> > > > > destinatário correto deve
> > > > > apagar esta mensagem.
> > > > >
> > > > > O emitente desta mensagem é responsável por 
> > > > > seu conteúdo e endereçamento.
> > > > > Cabe ao destinatário cuidar quanto ao tratamento adequado. A 
> > > > > divulgação, 
> > > > > reprodução e/ou 
> > > > > distribuição sem a devida 
> > > > > autorização ou qualquer outra 
> > > > > ação sem conformidade com as normas
> > > > > internas do Ifes são proibidas e passíveis de 
> > > > > sanção disciplinar, cível e 
> > > > > criminal.
> > > >
> > > >
> > > > ________________________________
> > > >
> > > > Esta mensagem (incluindo anexos) contém informação 
> > > > confidencial destinada a um usuário específico e seu 
> > > > conteúdo é protegido por lei. Se você não 
> > > > é o destinatário correto deve apagar esta mensagem.
> > > >
> > > > O emitente desta mensagem é responsável por seu conteúdo 
> > > > e endereçamento.
> > > > Cabe ao destinatário cuidar quanto ao tratamento adequado. A 
> > > > divulgação, reprodução e/ou 
> > > > distribuição sem a devida autorização ou qualquer 
> > > > outra ação sem conformidade com as normas internas do Ifes 
> > > > são proibidas e passíveis de sanção disciplinar, 
> > > > cível e criminal.
>
>
>
> ________________________________
>
> Esta mensagem (incluindo anexos) contém informação confidencial destinada 
> a um usuário específico e seu conteúdo é protegido por lei. Se você não 
> é o destinatário correto deve apagar esta mensagem.
>
> O emitente desta mensagem é responsável por seu conteúdo e endereçamento.
> Cabe ao destinatário cuidar quanto ao tratamento adequado. A divulgação, 
> reprodução e/ou distribuição sem a devida autorização ou qualquer outra 
> ação sem conformidade com as normas internas do Ifes são proibidas e 
> passíveis de sanção disciplinar, cível e criminal.