[ipv6-wg] Free GUA space for community projects [CfP/RFC] (was: Minutes from the IPv6 WG @ RIPE 83)

Hi,

On Wed, Dec 22, 2021 at 08:09:59AM +0000, Vasilenko Eduard via ipv6-wg wrote:
> Almost any business (even small) would like to have Internet resiliency in the form of redundant connections through the different Carriers.
> Then hosts should have PA addresses from different carriers.
> 
> Hosts are not capable to choose properly which one address to choose for the particular flow.
> If the address of Carrier 1 would be used as the source for the packet going to Carrier2 then Carrier2 would drop the packet as a result of spoofing protection (uRPF check).
> 
> If the connection to the carrier is lost then the respective PA address should be withdrawn (by the way, not resolved problem in IETF).
> 
> There are only 2 currently available solutions for Internet connections resiliency:
> 1. Request PI from RIR. Then the Internet table would be the size of all businesses in the world.
> 2. Use ULA internally and NPT (prefix translation to proper PA) on the CPEs connecting to the Carrier.

3. use proper source based routing on the ISP routers -> see homenet WG.


Of course NAT is good (https://www.youtube.com/watch?v=v26BAlfWBm8) but
not really needed here.

Gert Doering
        -- NetMaster
-- 
have you enabled IPv6 on something today...?

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