- Need SPI support in router?
- Posted by Graham Murray on February 24th, 2008
Steve <steev_l@yahoo.co.uk> writes:
Would you even know is a router has SPI unless you look at the part
numbers of the chips on the board and see if a) They support the Serial
Peripheral Interface and b) that the appropriate pins are wired to other
chip(s) which also support SPI. Whether SPI is used should be a decision
for the hardware designer and be of no interest to the user, unless
the SPI bus is brought to a connector for an add-on board - but even
then unless the user is going to design his own add-on board this will
be of no interest to the user.
- Posted by Gaz on February 24th, 2008
Graham Murray wrote:
SPI is to do with internet packet inspection, is it not???
Gaz
- Posted by Graham. on February 24th, 2008
"Graham Murray" <newspost@gmurray.org.uk> wrote in message
news:878x1aa38m.fsf@newton.gmurray.org.uk...
I think we are talking about Stateful Packet Inspection here,
http://en.wikipedia.org/wiki/Stateful_firewall
--
Graham
%Profound_observation%
- Posted by Graham Murray on February 24th, 2008
"Gaz" <gazter@msn.com> writes:
Google would seem to indicate otherwise. The first hit on the query
'SPI' returns the Wikipedia article for 'Serial Peripheral Interface'
(an inter-chip bus), which is also what SPI means to me. None of the
hits returned on the first 5 pages use SPI in the context of packet
inspection - which implies that that is a minority usage.
- Posted by Nick on February 24th, 2008
Graham Murray wrote:
If I was talking about a verruca problem on my foot, I wouldn't expect
you to think I was discussing the imperial length measurement a foot.
- Posted by Brian A on February 24th, 2008
On Sun, 24 Feb 2008 14:08:22 +0000, Mark <markincambs@yahoo.co.uk>
wrote:
http:\\www.acronymfinder.com
84 definitions of SPI there.
Stateful Packet Inspection (firewall based protocol) links to:-
http://encyclopedia.thefreedictionar...ket+Inspection
---
Remove 'no_spam_' from email address.
---
- Posted by Graham. on February 24th, 2008
"Brian A" <no_spam_bca1000@hotmail.com> wrote in message
news:m803s3p5htiv3dktd7vh7u0st71cg39hv7@4ax.com...
You slashed the wrong way :-)
--
Graham
%Profound_observation%
- Posted by Graham. on February 24th, 2008
"Graham Murray" <newspost@gmurray.org.uk> wrote in message
news:874pbya0ms.fsf@newton.gmurray.org.uk...
One can't help but sympathise, it so much depends on your background.
I always see 'upper side-band' when I see USB
and when I see DRM I have to check if its 'Digital Radio Mondial'
or 'Digital Rights Management' that is being discussed.
--
Graham
%Profound_observation%
- Posted by Al on February 24th, 2008
"Graham." <me@privacy.com> wrote in message
news:fps06a$taq$1@registered.motzarella.org...
Terrible eh, he has had to go home and change his trousers now!
- Posted by Graham. on February 24th, 2008
No doubt he will blame his Taylor for not asking the relevant question.
--
Graham
%Profound_observation%
- Posted by Mark McIntyre on February 24th, 2008
Graham Murray wrote:
Good example of why not to rely on websearches alone. SPI with respect
to firewalls is Stateful Packet Inspection.
- Posted by Graham Murray on February 24th, 2008
Mark McIntyre <markmcintyre@spamcop.net> writes:
Yet the original post did not mention firewalls, it mentioned
routers. It is perfectly conceivable that a router might use an SPI bus
as a data highway between 2 or more of its chips.
- Posted by Graham. on February 25th, 2008
"Graham Murray" <newspost@gmurray.org.uk> wrote in message
news:87prul9aeo.fsf@newton.gmurray.org.uk...
A detail only likely to be of interest to its designer. Stateful Packet
Inspection,
being a feature, is much more likely to be of interest to the end-user
--
Graham
%Profound_observation%
- Posted by Nick on February 25th, 2008
Graham Murray wrote:
Who was it who said Google would seem to indicate otherwise. Type in SPI
router and the references all appear to be to Stateful Packet Inspection.
In future maybe it would be better to just admit you made a mistake?
- Posted by Mark McIntyre on February 25th, 2008
Graham Murray wrote:
As far as consumers are concerned, routers *are* firewalls. It is after
all one of their chief selling points. Indeed I doubt you'll find a
single router advert or marketing blurb that doesn't mention its
firewall capabilities.
Plus it was clear from the context that he was asking about selling
points of routers. I can't concieve of the serial interface being a
selling point, whereas stateful packet inspection is very often listed
as a feature.
It is, but I think you're digging a deeper hole! :-)
