[e2e] Wireless Networks. An Example: GPRS.

[Detlef Bosau]

Am 11.03.2013 14:58, schrieb dpreed at reed.com:
>
> These are "specifications", and not actual measurements of actual systems.
>
> In particular, the 95 percentile statement on Delay Class 3 is a 
> statement that "only 5 percent of the time will any packets be delayed 
> longer than 375 seconds."   This does not characterize or even 
> specifiy a channel model - perhaps the 5 percent are infinite delays 
> (permanent losses) and all other packets are delivered *in 1 msec. or 
> less.*
>

Yes.

So, we don't know anything about the channel - and I was berated for not 
having provided a QoS architechture ("this is no witchcraft!") for a 
channel we do nothing about.

And David,/that /hurts.

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