On Tue, 5 Jun 2018, Jonas Mårtensson wrote:
What about PLPMTU? Do you think they might tweak that too?
net.ipv4.tcp_mtu_probing=2
(despite name, applies to IPv6 too)
Maybe, suggest it on their github. But I would maybe propose instead
net.ipv4.tcp_mtu_probing=1.
MTU probing
> On 5 Jun, 2018, at 9:34 pm, Sebastian Moeller wrote:
>
> The rationale for that decision still is valid, at low bandwidth every
> opportunity to send a packet matters…
Yes, which is why the DRR++ algorithm is used to carefully choose which flow to
send a packet from.
> …and every packet
Hi Jonathan,
> On Jun 5, 2018, at 17:10, Jonathan Foulkes wrote:
>
> Jonathan, in the past the recommendation was for NOECN on egress if capacity
> <4Mbps. Is that still the case in light of this?
>
> Thanks,
>
> Jonathan Foulkes
>
>> On Jun 4, 2018, at 5:36 PM, Jonathan Morton wrote:
>>
> On 5 Jun, 2018, at 6:10 pm, Jonathan Foulkes wrote:
>
> Jonathan, in the past the recommendation was for NOECN on egress if capacity
> <4Mbps. Is that still the case in light of this?
I would always use ECN, no exceptions - unless the sender is using a TCP
congestion control algorithm that
Am 05.06.2018 um 09:49 schrieb Jonathan Morton:
On 5 Jun, 2018, at 10:44 am, Mario Hock wrote:
Just to make sure that I got your answer correctly. The benefit for endsystems comes from the
"fq" (flow queuing) part, not from the "codel" part of fq_codel?
That's a fair characterisation, yes.
> On 5 Jun, 2018, at 10:44 am, Mario Hock wrote:
>
> Just to make sure that I got your answer correctly. The benefit for
> endsystems comes from the "fq" (flow queuing) part, not from the "codel" part
> of fq_codel?
That's a fair characterisation, yes.
In fact, even for middleboxes, the
Am 05.06.2018 um 01:00 schrieb David Lang:
On Mon, 4 Jun 2018, Bless, Roland (TM) wrote:
Hi,
Am 24.05.2018 um 17:38 schrieb Jan Ceuleers:
Took 3 years after Dave approached them, but Ubuntu is finally adopting
fq_codel as the default qdisc.
Yes, if the Linux kernel is forwarding packets it
On Tue, Jun 5, 2018 at 2:22 AM, Michael Richardson wrote:
>
> Jonas Mårtensson wrote:
> > Speaking about systemd defaults, they just enabled ecn for outgoing
> > connections:
>
> > https://github.com/systemd/systemd/pull/9143
>
> What about PLPMTU? Do you think they might tweak
