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Old December 6th 18, 05:29 PM posted to uk.telecom.mobile,comp.mobile.android,uk.telecom.broadband
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First recorded activity by MobileBanter: Nov 2003
Posts: 108
Default Mobile faster than wi-fi in many countries

In article , NY
wrote:

the industry thinks gigabit is a must have, especially given the amount
of data people are managing and that nvme ssds, usb3 and thunderbolt
are *much* faster.


I would imagine that a lot of users only transfer data between various PCs
and the internet (eg web browsing, sending/receiving emails, streaming
movies from Netflix etc), and don't make much use of PC-to-PC transfers. For
them, the most important thing is WAN speed (router to internet), so 10 Mbps
may be sufficient for some people with ADSL, and 100 Mbps will be sufficient
for most people with FTTC/VDSL.

Those of us who transfer data between PCs and so need 1000 Mbps are either
running a business which has its own server to provide shared access to
files used by multiple PCs, or else have a NAS for serving movies to one or
more computers, tablets, Roku boxes etc.


most people have more than 1 device and *do* transfer between them,
whether it's another computer or a nas or whatever else.

As an aside, does USB degrade gracefully as cable length is increased? I saw
a comparison of RS232 versus USB (1, 2 or 3) and it mentioned that RS232 is
still better than USB where peripherals need to be a long distance from the
computer that is driving them. Leaving aside the fact that Ethernet is
probably better than either RS232 or USB for this, how does USB cope with
long lines? If two USB3 devices or two USB2 devices are connected by a very
long USB lead, will it just fail completely, or will they negotiate a lower
speed (eg USB3 degrades to USB2 or USB1 speed) that the long line is capable
of supporting?


usb 1 & 2 is limited to 5 meters, less for usb3 (although no exact
length specified):
<https://en.wikipedia.org/wiki/USB#Cabling

longer distances will require a hub, repeater or media converter.