[Ardour-Dev] Banking on a surface

Melanie Bernkopf melaniebernkopf at gmail.com
Fri Jun 24 14:22:01 PDT 2016

100% agree with you. It should be more than save and I belive it would even
be save on a miss configured network.

Sorry for being a bit picky on that subject but saw quite some crazy stuff.

Yes bundling makes sense I think this should be the way to go :)

2016-06-24 23:10 GMT+02:00 Len Ovens <len at ovenwerks.net>:

> On Fri, 24 Jun 2016, Melanie Bernkopf wrote:
> Sorry but with some mentions you are not right.
>> default full ethernet is 1518 = 1514 ethernet2 header +4 bytes checksum
>> GRE tunnel MTU is 1476 = 1500 - (20 bytes IP header + 4 bytes GRE Header)
>> (
>> similar to ADSL in Europe)
>> MPLS 1492 if not configured
> ...
> Sorry for not being more precise. However, in this case we are not looking
> at MTU but minimum packet size which is still generally bigger than any OSC
> message we send (except maybe /select/comment "s" "long string"). Even if I
> bundle all messages used to "zero" a strip that is not used or before
> repopulating, I suspect the data size (before headers and OSC over head) is
> less than 500 bytes. (400ish it seems)
> I would not want to send something as OSC over the inet so we stay with the
>> normal ethernet2 spec on a local Network ;)
> No, the mention of Inet was just that most systems configure themselves to
> work with Inet. So far as I know AoIP limits packet size too, even on GB,
> 10G etc. networks. But that doesn't matter for OSC as we are dealing with
> it. We are not sending "blobs", but bundles could easily put two messages
> in one minimum sized packet. In this case the second message goes free.
> Anyway, bundling is worth while. And it appears there is no danger of
> making a too big packet. Speed itself (on the lan) is not Ardour's problem
> but a system setup and hardware issue.
> --
> Len Ovens
> www.ovenwerks.net
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> ardour-dev mailing list
> ardour-dev at lists.ardour.org
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