Re: [Asrg] Spam, defined, and permissions
2004-12-24 17:11:37
Well, it seems to me that INCREMENTALLY you have to provide more
backups and potential restores and staff to do all that and disk
controllers and network bandwidth and real estate and environmental
(electricity, air conditioning, etc) and management of all that etc.
as well as the cost (well, negative cash flow) imposed by depreciation
schedules, ROI, etc.
But if you want to ignore all that other stuff then you're more than
right, because you may as well ignore the cost of the disk space also,
it's only a small percentage of all that, so INCREMENTALLY infinite
disk space is FREE!
Need I go on?
On December 24, 2004 at 02:01 gep2(_at_)terabites(_dot_)com
(gep2(_at_)terabites(_dot_)com) wrote:
On Thu, 23 Dec 2004, Barry Shein <bzs(_at_)world(_dot_)std(_dot_)com> wrote:
On December 23, 2004 at 21:10 gep2(_at_)terabites(_dot_)com
(gep2(_at_)terabites(_dot_)com) wrote:
So, in that case, if we presume that the sample is representative, that
would
suggest that the total storage used in spam folders is about 6Gb (so
maybe
$6
worth of mirrored disk space, purchase cost). Certainly doesn't sound
excessive
to me.
It's as sensible to speak of managed disk space in terms of commodity
disk prices as it is to speak of office space rental costs measured
exclusively by the floor covering used (e.g., price per sq foot should
be about the same as the cost per sq foot of linoleum.)
If there is any doubt about that go buy whatever disk you like and
stick it in your lap and stop being concerned about what ISPs charge.
Obviously a disk sitting in your lap (no I didn't say laptop) is not a
very useful thing.
So some sort of value has been added to that disk.
Fine, but most or all of that "value added" is more than adequately covered
by
the price that the ISP is charging their customer. The service the CUSTOMER
is
paying for is the whole package of what the ISP does, including storing and
forwarding the customer's mail.
The difference of storing, verus not storing, the spam or whatever is
INCREMENTALLY the difference in the cost of the hard drive space used to
store
it. And that's my point... that the price of (even) an extra terabyte of
mirrored hard disk space is about $1K, which truly is NOT significant in
terms
of what the ISP's overall operating/capital expenses are.
So all this whinging about the disk space involved is really awfully silly.
That added value probably exceeds the underlying cost of the disk
manifold.
Of course, but the INCREMENTAL cost is what we're talking about, and the
INCREMENTAL cost of disk storage is NOT reflected in any significant way in
an
incremental cost of the other expenses the ISP has... office rental,
charitable
donations, utilities, personnel, and so forth... and MIGHT even result in a
SAVINGS given that it gives the ISP a material and relevant point that might
set
them aside from the competition, giving them product/service differentiation
and
perhaps actually REDUCING the money they have to spend on marketing to
attract
new customers, and retain existing ones.
It includes system staff, support staff, management, general business
costs (e.g., taxes), backups, service contracts, climate control,
rent, disk controllers and the systems they're hooked up to, network
and network infrastructure, WAN connection(s), and god forbid maybe
even a little profit.
But in ANY case, $1K more or less simply isn't a big deal in terms of ISP
capital investment, so there's little or no reason for us to worry
significantly
about it *here*. Other things we commonly discuss here have MUCH more
significant operating cost and support cost implications.
But to compare disk space at ISPs as being worth about $1/GB bypasses
reality quite cleanly and completely.
Perhaps, but that's still the INCREMENTAL cost, and that's what matters for
OUR
purposes here (i.e. comparing two approaches which might use slightly more
or
slightly less disk space).
Gordon Peterson http://personal.terabites.com/
1977-2002 Twenty-fifth anniversary year of Local Area Networking!
Support free and fair US elections! http://stickers.defend-democracy.org
12/19/98: Partisan Republicans scornfully ignore the voters they "represent".
12/09/00: the date the Republican Party took down democracy in America.
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