Re: [homenet] udp-lite support?

On Sun, Dec 21, 2014 at 9:07 PM, Dave Taht <dave.taht@gmail.com> wrote:

> I am growing concerned by the widespread adoption of udp as a baseline
> transport for so many protocols (webrtc, bittorrent maelstrom, etc.)
> Certainly a couple traceroutes alone could blow up my udp nat table on
> a busy router with open udp ports as can something as simple as trying
> to do reverse lookups on everything in a /64 - I long ago had to start
> closing udp ports on the firewall in under 30 seconds - (dns over ipv6
> fixes this thoroughly, thank ghu), but having thoroughly blown up my
> world just now with mosh-multipath...
>
> I see udplite support is mandated by some homenet rfc or another.
>

Hi Dave,

I could have missed it, but I don't recall UDP-Lite coming up before...
Which Homenet document are you referring to?

>
> udp-lite, unlike sctp, it is simple enough to work everywhere, but a
> lot of its original use case (unencrypted rtp) is gone.
>
> What, if anything is it actually used for today?

I am not aware any significant deployment.

- Mark

> Are there any test
> suites or large scale tests/testers that have gone and looked at its
> actual routability over the ipv4 and ipv6 Internet?
>
> anyway, udplite seemed like a good fit for a userspace vpn or
> something like mosh, so (since I was unable to find any comprehensive
> udplite test suites)  I went and implemented that as a test for fun...
>
> https://plus.google.com/u/0/107942175615993706558/posts/LDNmr8PWkFg
>
> and given how easy it is to hack in will probably try to add it to
> netperf-wrapper. Over the holidays. Maybe.
>
> --
> Dave Täht
>
> http://www.bufferbloat.net/projects/bloat/wiki/Upcoming_Talk
>
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