25 May
2011
25 May
'11
1:02 p.m.
On Wednesday 25 May 2011, Jeremya wrote:
These figures pale into insignificance compared to the
power required
for standard SIP devices - typically 5-8 watts per device multiplied by
the number of devices.
When you factor in Gigabit Ethernet the power ups significantly.
Optimisation at the server level is not significant on any scale.
Optimisation on communications power: i.e. end-devices, DSL & switches
is where the power savings are important.
Hi Jeremya,
you're right in this case - given the much higher number of CPE devices in the
end user hands and especially as most of them use really cheap (also bad)
power supplies. But in generally optimisations on a server level are also
important, if you have a few thousand servers than even small amounts fast add
up. And for the whole internet it already uses siginifcant part of the power,
close to 10% in the US to some research:
http://hardware.slashdot.org/story/07/09/27/2157230/Internet-Uses-94-of-
Electricity-In-the-US
With regards to the research from Jan, the performance numbers are really
impressive, great work!
Cheers,
Henning