Re: [tsvwg] draft-dhesikan-tsvwg-rtcweb-qos

[Cullen Jennings <[e-mail]>]

Good catch - thank you.

On Jul 8, 2013, at 5:00 PM, Dave Taht <[e-mail]> wrote:

> On Mon, Jul 8, 2013 at 4:35 PM, Cullen Jennings <[e-mail]> wrote:
>> 
>> The draft-dhesikan-tsvwg-rtcweb-qos draft was discussed extensively when it was an individual draft then WG draft in another WG and I don't think there is much more to say about it. This is one of the normative dependencies of the webrtc work and that stuff is already getting implemented in browsers so I want to move this along in an expedient fashion.
>> 
>> I think it is ready for WGLC. If there are any issues people think need to be discussed before WGLC, please let us know so we can resolve them in Berlin.
>> 
>> Thanks, Cullen
>> 
> 
> Note: The sample code in the document does not include correct code
> for ipv6, which is more or less:
> 
> IPv6 DiffServ
> 
> IPv4   IPPROTO_IP     IP_TOS
> IPv6   IPPROTO_IPV6   IPV6_TCLASS
> 
> So, to set the DSCP in IPv6 you must use IPv6 Traffic Class field.
> 
> int ds = IPTOS_DSCP_AF11;
> int rc = setsockopt(fd, IPPROTO_IPV6, IPV6_TCLASS, &ds, sizeof(ds));
> 
> see:
> 
> http://www.bufferbloat.net/issues/249
> 
> for more details
> 
> -- 
> Dave Täht
> 
> Fixing bufferbloat with cerowrt: http://www.teklibre.com/cerowrt/subscribe.html