Re: [v6ops] Scope of Unique Local IPv6 Unicast Addresses (Fwd: New Version Notification for draft-gont-6man-ipv6-ula-scope-00.txt)

[Fernando Gont <[e-mail]>]

On 6/1/21 14:33, Ted Lemon wrote:
> On Jan 6, 2021, at 12:26 PM, Fernando Gont <[e-mail] 
> <mailto:[e-mail]>> wrote:
>> e.g., for thinks like mDNS, you'd only bind() and listen on your ULAs, 
>> if any.
> 
> mDNS is link-local, so you can actually use your LLA for that (and we 
> do). 

The problem with link-locals is that having to specify the "zone id" 
with the "Addr%iface" thing at times is nto friendly with some apps.



> But e.g. if you are using SRP 
> (https://tools.ietf.org/html/draft-ietf-dnssd-srp-07), then it makes 
> sense to push your GUA and your ULA and bind to both, or to INADDR_ANY 
> (if you want to be globally reachable). I would expect the SRP server to 
> do the work of figuring out on which DNS server to publish the ULA and 
> on which to publish the GUA.

... in which case the server would have to be able to infer address 
properties, using macros or libraries such as the one in 
https://tools.ietf.org/html/draft-gont-6man-ipv6-ula-scope-00#section-5.1


-- 
Fernando Gont
SI6 Networks
e-mail: [e-mail]
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492