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Next: System: Aperture & iPhoto
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External
Since: Jul 15, 2003
Posts: 6223
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(Msg. 1) Posted: Tue Feb 26, 2008 4:28 pm
Post subject: Ethernet or Gigabit WiFi
Imported from groups: comp>sys>mac>system (more info?)
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External
Since: Aug 19, 2003
Posts: 1725
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(Msg. 2) Posted: Tue Feb 26, 2008 5:44 pm
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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In article <michelle-6FBDBB.16280326022008.TakeThisOut@news.west.cox.net>,
Michelle Steiner <michelle.TakeThisOut@michelle.org> wrote:
> OK, I'm going to be buying a Time Capsule when they're released within
> the next three days.
>
> It will be set up within a foot or two of my iMac, so connecting it with
> an ethernet cable will be no problem. The WiFi portion will be used to
> network the printer and an Airport Express (Yes, I'm going to try that
> again.)
>
> Considering that the AE (unless a new N model is released the same time
> as Time Capsule) and the printer are G protocol, what, if any, are the
> relative advantages and disadvantages to using ethernet or WiFi between
> the computer and the Time Capsule?
I'm not sure which iMac you have; since you expect 802.11n to be
potentially useful, I'm going to assume it's a very recent model where
this would be the case.
That assumption also implies that you have gigabit Ethernet on your
iMac, as does the Time Capsule. That's going to be faster than any
wireless connection you can use, including 802.11n, so for maximum speed
you'll be wanting Ethernet.
Going with 802.11n might be fast enough for your needs, if you prefer
not to have too many cables running around, or if you decide you'd
rather put the Time Capsule somewhere else. But Ethernet would still be
significantly faster.
--
Tom "Tom" Harrington
Independent Mac OS X developer since 2002
http://www.atomicbird.com/ |
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External
Since: Aug 02, 2003
Posts: 592
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(Msg. 3) Posted: Tue Feb 26, 2008 7:39 pm
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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In article <michelle-6FBDBB.16280326022008 RemoveThis @news.west.cox.net>,
Michelle Steiner <michelle RemoveThis @michelle.org> wrote:
> Considering that the AE (unless a new N model is released the same time
> as Time Capsule) and the printer are G protocol, what, if any, are the
> relative advantages and disadvantages to using ethernet or WiFi between
> the computer and the Time Capsule?
Wired is more private.
--
While its true that "you can't fix stupid", apparently you
can package it up and sell it. -- fnorgby on TMBO >> Stay informed about: Ethernet or Gigabit WiFi |
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External
Since: Jul 15, 2003
Posts: 6223
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(Msg. 4) Posted: Tue Feb 26, 2008 7:39 pm
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)
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External
Since: Aug 22, 2005
Posts: 87
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(Msg. 5) Posted: Wed Feb 27, 2008 12:29 am
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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in article michelle-6FBDBB.16280326022008 RemoveThis @news.west.cox.net, Michelle
Steiner at michelle RemoveThis @michelle.org wrote on 27/2/08 9:28 AM:
> OK, I'm going to be buying a Time Capsule when they're released within
> the next three days.
>
> It will be set up within a foot or two of my iMac, so connecting it with
> an ethernet cable will be no problem. The WiFi portion will be used to
> network the printer and an Airport Express (Yes, I'm going to try that
> again.)
>
> Considering that the AE (unless a new N model is released the same time
> as Time Capsule) and the printer are G protocol, what, if any, are the
> relative advantages and disadvantages to using ethernet or WiFi between
> the computer and the Time Capsule?
Well basically TC has gigbit ethernet ports but Im not sure how new your
iMac is - newer iMacs have gigabit ethernet too so a direct connection by
will be potentially much faster. 802.11n is in the real world around
160Mbps so will be faster than the 100Mbps on the older iMac. I guess real
world testing will be your guide.
Nigel >> Stay informed about: Ethernet or Gigabit WiFi |
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Since: Jul 18, 2004
Posts: 953
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(Msg. 6) Posted: Wed Feb 27, 2008 6:39 am
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Nigel <noone RemoveThis @nowhere.com> wrote:
> in article michelle-6FBDBB.16280326022008 RemoveThis @news.west.cox.net, Michelle
> Steiner at michelle RemoveThis @michelle.org wrote on 27/2/08 9:28 AM:
>
> > OK, I'm going to be buying a Time Capsule when they're released within
> > the next three days.
> >
> > It will be set up within a foot or two of my iMac, so connecting it with
> > an ethernet cable will be no problem. The WiFi portion will be used to
> > network the printer and an Airport Express (Yes, I'm going to try that
> > again.)
> >
> > Considering that the AE (unless a new N model is released the same time
> > as Time Capsule) and the printer are G protocol, what, if any, are the
> > relative advantages and disadvantages to using ethernet or WiFi between
> > the computer and the Time Capsule?
> Well basically TC has gigbit ethernet ports but Im not sure how new your
> iMac is - newer iMacs have gigabit ethernet too so a direct connection by
> will be potentially much faster. 802.11n is in the real world around
> 160Mbps so will be faster than the 100Mbps on the older iMac.
In order to be compatible with 802.11g, the Time Capsule will have to be
set to operate at 2.4 GHz. I've never seen a raw network speed for
802.11n faster than 130 Mbps at 2.4 GHz. The actual data throughput is
somewhat lower, even with near maximum signal strength.
If there are any 802.11g devices on the network, a transmission to/from
one of them must slow down to 802.11g speeds (54 Mbps), so this will
reduce the average throughput of the 802.11n connection.
WiFi is a half duplex mechanism - data can only be transferred one way
at a time. As long as there are no hubs involved, 100Base-TX Ethernet is
full duplex: you can send 100 Mbps both ways at the same time.
Net result: if data is mostly being sent in one direction, the 802.11n
connection might be faster than 100Base-TX Ethernet, but only just.
If there is a moderate amount of bidirectional traffic, or active
802.11g devices, then 100Base-TX Ethernet will beat 802.11n at 2.4 GHz.
If the iMac has 802.11n support then it must have Gigabit Ethernet, so
this argument is a moot point anyway. Gigabit Ethernet will beat the
pants off 802.11n, even if you were operating it at 5 GHz wide band.
802.11n might be "fast enough", in that the Time Capsule might have a
bottleneck accessing its drive (one would hope that it is better than
the Airport Extreme with a USB hard drive).
I'd still go Gigabit Ethernet if possible, especially for a desktop
computer which is set up alongside the Time Capsule.
--
David Empson
dempson RemoveThis @actrix.gen.nz >> Stay informed about: Ethernet or Gigabit WiFi |
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Since: Jul 15, 2003
Posts: 6223
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(Msg. 7) Posted: Wed Feb 27, 2008 6:39 am
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)
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Since: May 14, 2004
Posts: 878
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(Msg. 8) Posted: Wed Feb 27, 2008 12:05 pm
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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In <michelle-763E98.19294926022008.DeleteThis@news.west.cox.net>, Michelle Steiner wrote:
> I don't have much choice as to where I can put the Time Capsule; it has
> to be connected to the cable modem, which needs to be at the cable
> connector in the wall, which means that it is right under my computer
> desk.
Use ether. It will be one less thing to consider. One less area to worry
about security, less use of electricity. All of these provide very minor
advantages when you examine them closely. But in your situation there is
no advantage to wireless.
-j
--
Jeffrey Goldberg http://www.goldmark.org/jeff/
I rarely read top-posted, over-quoting or HTML postings.
http://improve-usenet.org/ >> Stay informed about: Ethernet or Gigabit WiFi |
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Since: Jul 15, 2003
Posts: 6223
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(Msg. 9) Posted: Wed Feb 27, 2008 1:30 pm
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)
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Since: Apr 27, 2005
Posts: 465
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(Msg. 10) Posted: Wed Feb 27, 2008 1:42 pm
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Tue, 26 Feb 2008 17:28:04 -0600, Michelle Steiner wrote
(in article <michelle-6FBDBB.16280326022008 RemoveThis @news.west.cox.net>):
> OK, I'm going to be buying a Time Capsule when they're released within
> the next three days.
>
> It will be set up within a foot or two of my iMac, so connecting it with
> an ethernet cable will be no problem. The WiFi portion will be used to
> network the printer and an Airport Express (Yes, I'm going to try that
> again.)
>
> Considering that the AE (unless a new N model is released the same time
> as Time Capsule) and the printer are G protocol, what, if any, are the
> relative advantages and disadvantages to using ethernet or WiFi between
> the computer and the Time Capsule?
The only real advantage to using wireless is the lack of a cable, and
freeing up a port on the Time Capsule for connecting some other
system(s). Not a big deal.
Gigabit ethernet is /not/ going to make your internet access faster,
unless you have something interfering with the wireless in your
location. Both are much faster than even the best ISP speeds (by
orders of magnitude), so that isn't the issue. Backing up to the drive
in the time capsule /could/ be faster with gigabit ethernet than
wireless, but I haven't seen any performance data on r/w access
performance of the drive in Time Capsule yet. Odds are it also won't
make too much difference, but it would depend upon how much other
network traffic was happening at the same time.
Most single spindle drives can not keep up with gigabit ethernet
transfer rates for reads or writes, but many can exceed wireless
100mbit, so even with 802.11n, a modern drive in the time capsule might
be able to saturate the link.
So unless you just want to avoid the cable for some reason, I think I'd
use the gigabit ethernet connection.
--
Randy Howard (2reply remove FOOBAR)
"The power of accurate observation is called cynicism by those
who have not got it." - George Bernard Shaw >> Stay informed about: Ethernet or Gigabit WiFi |
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Since: Jul 15, 2003
Posts: 6223
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(Msg. 11) Posted: Wed Feb 27, 2008 1:42 pm
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)
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Since: Apr 27, 2005
Posts: 465
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(Msg. 12) Posted: Wed Feb 27, 2008 6:39 pm
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Wed, 27 Feb 2008 12:05:55 -0600, Jeffrey Goldberg wrote
(in article
<alpine.OSX.1.00.0802271203491.17240.RemoveThis@hagrid.ewd.goldmark.org>):
> In <michelle-763E98.19294926022008.RemoveThis@news.west.cox.net>, Michelle Steiner
wrote:
>
>> I don't have much choice as to where I can put the Time Capsule; it has
>> to be connected to the cable modem, which needs to be at the cable
>> connector in the wall, which means that it is right under my computer
>> desk.
>
> Use ether.
That's a novel approach. :-)
--
Randy Howard (2reply remove FOOBAR)
"The power of accurate observation is called cynicism by those
who have not got it." - George Bernard Shaw >> Stay informed about: Ethernet or Gigabit WiFi |
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Since: May 14, 2004
Posts: 878
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(Msg. 13) Posted: Thu Feb 28, 2008 12:24 am
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
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Since: Jul 15, 2003
Posts: 6223
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(Msg. 14) Posted: Thu Feb 28, 2008 12:24 am
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)
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Since: Apr 27, 2005
Posts: 465
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(Msg. 15) Posted: Thu Feb 28, 2008 3:16 pm
Post subject: Re: Ethernet or Gigabit WiFi [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Thu, 28 Feb 2008 00:43:40 -0600, Michelle Steiner wrote
(in article <michelle-051A7F.23434027022008.RemoveThis@news.west.cox.net>):
> In article
> <alpine.OSX.1.00.0802280023270.17240.RemoveThis@hagrid.ewd.goldmark.org>,
> Jeffrey Goldberg <nobody.RemoveThis@goldmark.org> wrote:
>
>>>> Use ether.
>>>
>>> That's a novel approach. :-)
>>
>> It'd be a gas.
>
> This is boring; it is putting me to sleep.
You're such an old gasbag.
--
Randy Howard (2reply remove FOOBAR)
"The power of accurate observation is called cynicism by those
who have not got it." - George Bernard Shaw >> Stay informed about: Ethernet or Gigabit WiFi |
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