Apple ECN, Bufferbloat, CoDel (fwd)

Mon Jun 15 16:13:47 UTC 2015

On 6/15/15 6:19 AM, Jared Mauch wrote:
> On Sat, Jun 13, 2015 at 06:20:31PM +0200, Mikael Abrahamsson wrote:
>>
>> Hi,
>>
>> I just want to bring to your attention the below talk (I am too lazy to
>> re-write the whole email for this slightly different audience).
>>
>> Takeaway:
>>
>> We'll see a lot of ECN enabled traffic in a few months. This shouldn't be a
>> problem. I've been doing it to all my machines for 3-5 years without ill
>> effects.

you'll also find all the networks that use the entire tos field as part
of the hash key... that's not exactly something you notice when you have
a 1:1 host to ip correspondence unless it leads to reordering. but with
stateless load balancing you can. fortunately those networks are
observably rare.

> 	I recall when ECN first came out and firewalls would block it causing me
> issues on my Linux boxes sending list mail out.  It was a small enough percentage
> that I mostly ignored it, but this will cause trouble for people who still
> haven't fixed their broken firewalls.
> 
> 	I encourage almost everyone on nanog to watch this talk.
> 
> 	- Jared
> 
>> ---------- Forwarded message ----------
>> Date: Sat, 13 Jun 2015 18:07:57 +0200 (CEST)
>> From: Mikael Abrahamsson <swmike at swm.pp.se>
>> To: bloat at lists.bufferbloat.net
>> Subject: Apple ECN, Bufferbloat, CoDel
>>
>> I highly encourage people to take a look at:
>>
>> https://developer.apple.com/videos/wwdc/2015/?id=719
> 
>> -- 
>> Mikael Abrahamsson    email: swmike at swm.pp.se
> 

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