[NNagain] A quick report from the WISPA conference

rjmcmahon rjmcmahon at rjmcmahon.com
Fri Nov 17 17:56:29 EST 2023


The WiFi Alliance does certification for WiFi products.

https://www.wi-fi.org/

They've adopted iperf 2 for latency tests.

Bob
> On 11/17/23 11:27, Dave Taht via Nnagain wrote:
> 
>> one of the things we really wished existed was a standardized way to
>> 
>> test latency and throughput to routers. It would be super helpful if
>> 
>> there was a standard in consumer routers that allowed users to both
>> ping
>> and fetch 0kB fils from their routers, and also run download/upload
>> 
>> tests.
> 
> Back when I was involved in operating a network, we tried to track
> latency and throughput by standard ping and related tests.  We
> discovered that, in addition to the network conditions, the results
> were often dependent on the particular equipment and software involved
> at the time.   Some companies treated ping traffic (e.g., anything
> directed to the "echo" port) as low priority since it was obviously
> (to them) less important than any other traffic.   Others treated such
> traffic as high priority - it made their results in review articles
> look better.
> 
> In another case we discovered one brand of desktop computer was
> achieved much higher throughputs over the net than similar products
> from other manufacturers.  It took some serious technical
> investigation but we eventually discovered that the high throughput
> was achieved by violating the Ethernet specification.   The offending
> vendor didn't follow the rules about timing.  But their test results
> looked much better than the competition.
> 
> IMHO the root of the problem is that you can not assume much about
> what any software and hardware are doing.  There are lots of specs,
> standards, and mandates in RFCs or even governmental rules and
> regulations.  But lacking any kind of testing or certification, it's
> difficult to tell if those "standards" are actually being followed.
> If someone, technical organization or government regulator, declares
> or legislates some protocol, algorithm, or behavior to be a required
> "standard", it should be accompanied by mechanisms and processes for
> testing to verify that the standard is implemented correctly and is
> actually used, and certification so that purchasers are informed.
> 
> Jack Haverty
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