Re: description of RFC8114 implementation using modified mB4 code

Hi Mikael,

Thank you for reporting this. 

I wonder whether you are re-using https://sourceforge.net/projects/mb4/ or another source? 

Cheers,
Med

> -----Message d'origine-----
> De : MBONED [mailto:[email protected]] De la part de Mikael Abrahamsson
> Envoyé : jeudi 8 novembre 2018 03:17
> À : [email protected]
> Objet : [MBONED] description of RFC8114 implementation using modified mB4
> code
> 
> 
> Hi,
> 
> This is what I talked about in the mbone session, so this is just a quick
> writeup of our proof of concept work.
> 
> We needed to support IPv4-only multicast receivers on our IPv6 only access
> network. So we looked into prototyping an implementation of
> https://tools.ietf.org/html/rfc8114 .
> 
> Now, I can't find the github for the original mB4.c for some reason, but
> my modified file is here (based on the original code work done during
> RFC8114 development):
> 
> http://swm.pp.se/terastream/mB4.c.mikabr-180903-4
> 
> We did not implement any PIM between AFTR and core router, instead this is
> just static 1:1 mapping.
> 
> So data plane is that the IPv4 multicast is sent to the AFTR which
> encapsulates it into IPv6 with a 1:1 mapping between IPv4 and IPv6
> addresses.
> 
> The mB4 running on the home router does IGMPv2 (*,G) <-> MLDv2 (S,G)
> interop, does MLDv2 join towards the core based on the IGMPv2 join on LAN,
> which then means it'll start to receive the IPv4-in-IPv6 packets, and then
> it decapsulates these packets and sends it out on the LAN.
> 
> We're currently working on cleaning up the implementation (major re-write
> or just re-implementation from scratch) and will publish it once that is
> done.
> 
> --
> Mikael Abrahamsson    email: [email protected]
> 
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