Download speeds
RS
richard22j at zoho.com
Mon Apr 16 07:27:35 PDT 2018
On 16/04/18 14:26, Alan Milewczyk wrote:
> Hi Richard, many thanks for the reply.
>
> On 16/04/2018 13:49, I wrote:
>> I have just downloaded two episodes of the second series of Salamander
>> from hvfhd1/bi (Azure?) at 148Mbit/s. That is similar to the HLShd
>> speed. It does vary with time of day, and can go down to 60Mbit/s.
>
> Wow, that's amazing. I never got much above 60 Mbps even with hlshd.
>> Are you using WiFi? That will slow your connection.
>
> No, the only thing I use wifi for is my phones. I'm old school,
> everything is hard wired Gigabit with a mix of Cat5/5e cables. I get 220
> Mbps on speednet and, as I said, was typically getting around 50 Mbps on
> hlshd a few days ago (and nothing has changed hardware-wise in the
> meantime).
>
> Since posting, I tried hvfhd2 and got 50 Mbps initially, but a while
> later it was maxing out at around 25 Mbps. I do most of my downloading
> overnight, so it's not crucial. I've rescheduled the timing of my
> download batch files and I'm forcing hvfhd2 for now, so I'll keep an eye
> on transfer speeds.
>
Hi Alan
If you are getting 220Mbit/s on a speed tester it seems your connection
is not the problem. When my connection was limited to 100Mbit/s I was
getting HLShd download speeds up to 70 or 80Mbit/s, and they have
increased with the 200Mbit/s limit.
Speeds do vary enormously between CDNs and between modes and
occasionally some programmes are slower. In general I have found Akamai
to be faster than Limelight. I don't know about Bidi.
Where I am (and I think it may vary geographically)
hvfhd1 is Bidi
hvfhd2 is Limelight
hvfhd3 is Akamai
hlshd1 is Akamai
I see that the latest version of get_iplayer has a two-letter code to
identify the CDN without having to use --info --verbose
Best wishes
Richard
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