Archived from groups: comp.dcom.lans.ethernet (
More info?)
Walter Roberson wrote:
> In article <vC_sd.453247$wV.282616@attbi_s54>,
> glen herrmannsfeldt <gah@ugcs.caltech.edu> wrote:
> :Fry's ad today has a gigabit NIC for $7.99, and five port
> :switch for $19.99, no rebate required.
>
> :The brand is Airlink, which I don't know anything about,
> :but that should give some idea where gigabit pricing
> :is going.
>
> I wonder if the NIC is one of those ones that pushes nearly
> all the processing over to the CPU, like the old WinModems used to do?
Now, who is making a Gigabit chipset that works that way?
> 5 ports on the switch is a bit odd, in that most gigabit chipsets
> handle either 1, 2, or 4 ports, and it would be the 4 port sets that
> would be least expensive. [See tomsnetworking.com from about March 2004
> for some details on the chip wiring choices.]
With all due regard to tomsnetworking.com, there are several brands of
inexpensive 5 port gigabit switch--if he says otherwise he's missed
something.
> But Yes, pricing is headed way down.
>
> And in a way, that has me, in my role as a network administrator, quite
> concerned. With the prices of low-end unmanaged unconfigurable gigabit
> switches already having fallen to about the same price as low-end
> unmanaged unconfigurable 10/100 consumer-class switches, it is going to
> be very difficult for me to keep low-quality switches off of my
> network.
>
> If one of our researchers needs a few gigabit ports for some project,
> it is going to be pretty much impossible for me to say, "No, you have
> to spend at least $C 5000 on a switch because I instinctively don't
> trust those off-brands" when the researcher can see "gigabit switches"
> advertised for less than $C 100, and when $C 5000 is enough to pay a
> PostDoc for a few months of work.
>
> I had better have pretty strong arguments when the price difference is
> more than 50:1... especially when it's going to have to be me [whom the
> researchers don't have to pay out of their grants] that has to track
> down the problems rather than one of their people. You can predict the
> argument: "So you're telling me that whatever problems might -maybe-
> show up with this inexpensive switch, are going to take you two
> person-months worth of your labour to track down??" And of course the
> answer to that is "No". Now, if a cheap switch were to completely trash
> the LAN for a couple of hours then the work lost over all the employees
> would mount quickly, but complete trashing is rather unlikely: the
> most probable scenario is me ending up having to spend long
> unproductive hours to isolate some subtle problem, at perhaps
> a week's actual salary. The cost of mental aggrevation to me is
> not factored in. Yeah, like I need a plateload of frustrating network
> difficulties 'cuz I just don't have enough work to do
--
--John
Reply to jclarke at ae tee tee global dot net
(was jclarke at eye bee em dot net)