[ale] isp questions

[Jim Kinney]

Most of the isp bandwidth testing is rigged. They know the test sites and have super hot, super fast pipes to those. I ran some tests using a known 10G pipe as supply with 10G data pump on it and my comcast commercial maxed at about 1/2 my rated download speed. So I retested with same 10G source AND a typical speedtest (both running) and maxed out my link. The 10G pull slowed to a crawl during higher priority (their decision, not mine) test.

On June 16, 2020 9:55:10 AM EDT, Derek Atkins via Ale <ale at ale.org> wrote:
>Kamin Horvath via Ale <ale at ale.org> writes:
>
>> Hey all (first time replying here),
>>
>> I’m going through a similar decision at our new place. We have a
>choice of
>> xfinity or AT&T fiber and reading all this - I’m leaning more towards
>the
>> former. 
>
>I was a comcast business class customer for a long time.  I am now an
>AT&T giga-fiber customer.  Here's my take:
>
>Comcast's network engineering is FAR superior to AT&T's.  They have
>better tech support and better peering.  However, you pay for that.  I
>was paying around $160/mo for IIRC 75/10 with a /29.
>
>With AT&T I've got ostensibly 1G/1G with a /29 and I'm paying a total
>of
>$85/mo.  HOWEVER, while I do see 950mb with speedtest, I feel the
>peering is worse and I only see 200-250mbps for any practical
>usage.  For example, if I use BitTorrent to pull down the new Fedora
>DVD, which SHOULD be able to saturate my network, it doesn't -- it gets
>limited to 200-250mbps.  I assume this isn't on my end because I can
>see
>those 950mbps speedtest results from the same endpoint on my end.
>
>Mind you, this isn't a completely fair comparison.  It is certainly
>possible that Comcast would also limit to 200-250mbps for peered links.
>I had no way to test that.  However, the fact that I'm paying half as
>much for almost 20x the bandwidth and the same number of static IPs
>made
>the decision pretty easy.
>
>Just my $0.02.
>
>-derek
>
>-- 
>       Derek Atkins                 617-623-3745
>       derek at ihtfp.com             www.ihtfp.com
>       Computer and Internet Security Consultant
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