From: Matthias Tafelmeier <matthias.tafelmeier@gmx.net>
To: Dave Taht <dave@taht.net>
Cc: Bob Briscoe <ietf@bobbriscoe.net>,
ken@cs.cornell.edu, bloat@lists.bufferbloat.net
Subject: Re: [Bloat] DETNET
Date: Sat, 18 Nov 2017 18:55:32 +0100 [thread overview]
Message-ID: <d586ac61-2e93-f34d-c411-a87ce6c1a3e5@gmx.net> (raw)
In-Reply-To: <87fu9f72za.fsf@nemesis.taht.net>
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On 11/15/2017 08:31 PM, Dave Taht wrote:
>> Well, if it's already for specific HW, then I'd prefer to see RDMA in place
>> right away with getting rid of IRQs and other TCP/IP specific rust along the
>> way, at least for DC realms :) Although, this HULL might has a spin for it from
>> economics perspective.
> It would be good for more to read the proceeds from the recent netdev
> conference:
>
> https://lwn.net/Articles/738912/
>
Especially ...
"TCP Issues (Eric Dumazet)
At 100gbit speeds with large round trip times we hit very serious
scalability issues in the TCP stack.
Particularly, retransmit queues of senders perform quite poorly. It has
always been a simple linked list."
goes in line with the aforementioned.
--
Besten Gruß
Matthias Tafelmeier
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next prev parent reply other threads:[~2017-11-18 17:56 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-04 13:45 Matthias Tafelmeier
[not found] ` <87shdr0vt6.fsf@nemesis.taht.net>
2017-11-12 14:58 ` Matthias Tafelmeier
2017-11-12 19:58 ` Bob Briscoe
2017-11-13 17:56 ` Matthias Tafelmeier
2017-11-15 19:31 ` Dave Taht
2017-11-15 19:45 ` Ken Birman
2017-11-15 20:09 ` Matthias Tafelmeier
2017-11-15 20:16 ` Dave Taht
2017-11-15 21:01 ` Ken Birman
2017-11-18 15:56 ` Matthias Tafelmeier
2017-12-11 20:32 ` Toke Høiland-Jørgensen
2017-12-11 20:43 ` Ken Birman
2017-11-18 15:38 ` Matthias Tafelmeier
2017-11-18 15:45 ` Ken Birman
2017-11-19 18:33 ` Dave Taht
2017-11-19 20:24 ` Ken Birman
2017-11-20 17:56 ` [Bloat] *** GMX Spamverdacht *** DETNET Matthias Tafelmeier
2017-11-20 19:04 ` Ken Birman
2017-12-17 12:46 ` Matthias Tafelmeier
2017-12-17 16:06 ` Ken Birman
2017-11-18 17:55 ` Matthias Tafelmeier [this message]
2017-11-18 19:43 ` [Bloat] DETNET Ken Birman
2017-11-18 19:47 ` Ken Birman
2017-11-20 18:32 ` Matthias Tafelmeier
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