So I was going to upload a couple of very large wireshark dumps, but then I
looked at something again and realized I was reading one of steam's poorly
documented performance metrics wrong. It appears that more often than not
now, my problem is actually host or client side on the cpu/encoding, so my
Changing the topic, adding bloat.
Joel Wirāmu Pauling writes:
> Just from a Telco/Industry perspective slant.
>
> Everything in DC has moved to SFP28 interfaces at 25Gbit as the server
> port of interconnect. Everything TOR wise is now QSFP28 - 100Gbit.
> Mellanox X5 cards are the current hotne
Jan Ceuleers writes:
> On 03/12/17 11:35, Juliusz Chroboczek wrote:
>> I'm lost here. What exact problem is the ACK hack supposed to work
>> around? Ridiculous amount of asymmetry in the last-hop WiFi link, or
>> outrageous amounts of asymmetry in a transit link beyond the last hop?
>
> My unde
On Sun, Dec 3, 2017 at 12:14 PM, Sebastian Moeller wrote:
>
>
> On December 3, 2017 8:54:40 PM GMT+01:00, Juliusz Chroboczek
> wrote:
>>> Many would kill for a 10:1 DOCSIS connection. 50:1 is not rare, and I
>>> have personally been subscribed to a near 100:1 service.
>>
>>Some people should not
On December 3, 2017 8:54:40 PM GMT+01:00, Juliusz Chroboczek
wrote:
>> Many would kill for a 10:1 DOCSIS connection. 50:1 is not rare, and I
>> have personally been subscribed to a near 100:1 service.
>
>Some people should not be allowed to design networks.
>
>> The DOCSIS shaper deals with eth
> Many would kill for a 10:1 DOCSIS connection. 50:1 is not rare, and I
> have personally been subscribed to a near 100:1 service.
Some people should not be allowed to design networks.
> The DOCSIS shaper deals with ethernet frames so 58 / 1518 bytes.
Could you please point me to details of the
> I can buy 300/10 megabit/s access from my cable provider.
Don't!
> If I understand correctly, DOCSIS has ~1ms sending opportunities
> upstream. So sending more than 1kPPS of ACKs is meaningless, as these ACKs
> will just come back to back at wire-speed as the CMTS receives them from
> the modem
My understanding per the thread is a last hop wifi link. I could be wrong
though.
Bob
On Sun, Dec 3, 2017 at 2:35 AM, Juliusz Chroboczek wrote:
> > It might be preferred to modify EDCA parameters to reduce media access
> > latencies for TCP acks rather than spoof them.
>
> I'm lost here. What
On 03/12/2017 13:57, Juliusz Chroboczek wrote:
> A TCP Ack is 40 bytes. A data packet is up to 1500 bytes.
>
> As far as I know, DOCSIS has an asymmetry factor that is between 4 and 10,
> depending on the deployment. With worst case asymmetry being 10, this
> means that you can send an Ack for e
On 4 December 2017 at 00:27, Juliusz Chroboczek wrote:
>>> I'm lost here. What exact problem is the ACK hack supposed to work
>>> around? Ridiculous amount of asymmetry in the last-hop WiFi link, or
>>> outrageous amounts of asymmetry in a transit link beyond the last hop?
>
>> My understanding
On Sun, 3 Dec 2017, Juliusz Chroboczek wrote:
As far as I know, DOCSIS has an asymmetry factor that is between 4 and 10,
depending on the deployment. With worst case asymmetry being 10, this
I can buy 300/10 megabit/s access from my cable provider. So that's a lot
worse. My cable box has 16
>> I'm lost here. What exact problem is the ACK hack supposed to work
>> around? Ridiculous amount of asymmetry in the last-hop WiFi link, or
>> outrageous amounts of asymmetry in a transit link beyond the last hop?
> My understanding is that the issue that gave rise to this discussion was
> con
On 03/12/17 11:35, Juliusz Chroboczek wrote:
> I'm lost here. What exact problem is the ACK hack supposed to work
> around? Ridiculous amount of asymmetry in the last-hop WiFi link, or
> outrageous amounts of asymmetry in a transit link beyond the last hop?
My understanding is that the issue tha
> It might be preferred to modify EDCA parameters to reduce media access
> latencies for TCP acks rather than spoof them.
I'm lost here. What exact problem is the ACK hack supposed to work
around? Ridiculous amount of asymmetry in the last-hop WiFi link, or
outrageous amounts of asymmetry in a t
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