At 11:23 PM 02-12-08 -0500, Andrew Mulholland wrote:
On Tue, Dec 2, 2008 at 10:47 PM, Lee, Steven (NSG Malaysia) <
[EMAIL PROTECTED]> wrote:
> Hi all, do you have any recommended tools that can measure latency/delay
> hop by hop basis? Preferable the tools can measure the running (live)
> traffi
On Dec 3, 2008 1:52am, Pekka Savola <[EMAIL PROTECTED]> wrote:
On Tue, 2 Dec 2008, Andrew Mulholland wrote:
On Tue, Dec 2, 2008 at 10:47 PM, Lee, Steven (NSG Malaysia)
[EMAIL PROTECTED]> wrote:
Hi all, do you have any recommended tools that can measure latency/delay
hop by hop basis? Prefe
I don't know if it helps, but anyways. There is another tool called Iperf (
http://sourceforge.net/projects/iperf ). It's usually used to report
bandwidth between two hops which you define, but it can be also used to
measure jitter, datagram loss, and a lot of other things, one in all it's
very han
On Tue, 2 Dec 2008, Andrew Mulholland wrote:
On Tue, Dec 2, 2008 at 10:47 PM, Lee, Steven (NSG Malaysia) <
[EMAIL PROTECTED]> wrote:
Hi all, do you have any recommended tools that can measure latency/delay
hop by hop basis? Preferable the tools can measure the running (live)
traffic.
mtr ? -
perfSONAR is another, more long term solution for performance
monitoring (if that's what you happen to be looking for).
http://www.internet2.edu/performance/pS-PS/
--
Brad Fleming
Network Engineer
Kansas Research and Education Network
Office:785-856-9800 x.222
Moblie: 785-865-7231
NOC:
On Tue, Dec 2, 2008 at 10:47 PM, Lee, Steven (NSG Malaysia) <
[EMAIL PROTECTED]> wrote:
> Hi all, do you have any recommended tools that can measure latency/delay
> hop by hop basis? Preferable the tools can measure the running (live)
> traffic.
>
mtr ? - http://www.bitwizard.nl/mtr/
its an ncur
Hi all, do you have any recommended tools that can measure latency/delay hop by
hop basis? Preferable the tools can measure the running (live) traffic.
Regards,
Steven Lee
Maybe ntop?
http://www.ntop.org/overview.html
-Chris
On Tue, Dec 2, 2008 at 8:19 PM, Subba Rao <[EMAIL PROTECTED]>wrote:
> Hello,
>
> I want to collect data on a network and map the data flow and system/port
> traffic. There are 2 scenarios of data collection here. The first is to
> collect IP
Check out argus http://www.qosient.com/argus/
It can do exactly what you what.
Cheers,
Harry
On Tue, 2008-12-02 at 17:19 -0800, Subba Rao wrote:
> Hello,
>
> I want to collect data on a network and map the data flow and system/port
> traffic. There are 2 scenarios of data collection here. Th
On 3/12/2008, at 2:19 PM, Subba Rao wrote:
Hello,
I want to collect data on a network and map the data flow and system/
port traffic. There are 2 scenarios of data collection here. The
first is to collect IP traffic only. In this method I do not want
the data portion of the IP packet (n
Hello,
I want to collect data on a network and map the data flow and system/port
traffic. There are 2 scenarios of data collection here. The first is to
collect IP traffic only. In this method I do not want the data portion of the
IP packet (need IP address, source/destination ports etc).
Th
On Tue, 2008-12-02 at 21:49 +, Nick Hilliard wrote:
> chuck goolsbee wrote:
> > would look, other than the granite walls
>
> On the subject of suitability problems, unless there is good air
> circulation in these bunkers from the outside, radon seepage from the
> surrounding granite has the p
On Tue, 02 Dec 2008 13:26:51 EST, The Anarcat said:
> Am I the only one thinking that shady lights, tropical fog, creepy
> tunnels, blue/colored lights, and *waterfalls* are *bad* things in a
> datacenter?
Well, across the hall we have:
Photo-op version: http://www.vtnews.vt.edu/story.php?relyea
While the recent Cogent/Sprint debate was largely fact-free, I'm following
this up with an article that has some facts.
http://www.forbes.com/technology/2008/12/01/cogent-sprint-regulation-tech-enter-cz_sw_1202cogent.html
Given that there is a substantial operational impact to events such as
this
> > But we aren't talking about the military here, are we? We are talking
> about an ISP on an ISP forum.
> >
>
> Yes but in a disaster scenario where critical communication links
> are down the military would respond and reestablish the links, if for
> nothing else to re establish situationa
Deepak Jain wrote:
I bet the military or emergency services can establish a 10km fiber
stretch in a few hours. Replacing some telecom hw and set it up from
scratch would probably take weeks (I'm not talking about a single
router
here).
But we aren't talking about the military here, are we?
> I bet the military or emergency services can establish a 10km fiber
> stretch in a few hours. Replacing some telecom hw and set it up from
> scratch would probably take weeks (I'm not talking about a single
> router
> here).
But we aren't talking about the military here, are we? We are talking a
chuck goolsbee wrote:
> would look, other than the granite walls
On the subject of suitability problems, unless there is good air
circulation in these bunkers from the outside, radon seepage from the
surrounding granite has the potential to cause a lot of health problems for
any unlucky punter who
Speaking as a Datacenter Manager who (believe it or not) at one time was an
Art Director, I have to say that the "ambience" in those photographs, in
the form of fog, odd/colored lighting, etc. was certainly created at the
time of the photo shoot by an Art Director ... with delusions (illusions)
>>> This discussion about plants, waterfalls and humidity is getting more
>>> and more off-tropic...
>>
>> Humidity is not off topic for a general or specific datacenter
>> conversation - it's a fairly routine issue in facilities.
>
>*woosh*
>
>tropic... not topic. It's a joke. :)
D'oh. Serves
George William Herbert wrote:
>
> Johnny writes:
>>This discussion about plants, waterfalls and humidity is getting more
>>and more off-tropic...
>
> Humidity is not off topic for a general or specific datacenter
> conversation - it's a fairly routine issue in facilities.
>
> NANOG isn't facilities
George William Herbert wrote:
Johnny writes:
This discussion about plants, waterfalls and humidity is getting more
and more off-tropic...
Humidity is not off topic for a general or specific datacenter
conversation - it's a fairly routine issue in facilities.
*woosh*
tropic... not
> From: Marshall Eubanks [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, December 02, 2008 15:15
>
> This is of course off-off-topic, but I would suspect the room
> temperature ultrasonic
> misters, not dry ice or wood smoke.
Still off-topic, but I hope they used distilled water. If the water has a
m
Apologies for the RADB downtime. Service was down
from roughly 7:45PM - 8:51PM EST last night. We've been
having some issues due to heavy querying from
a PlanetLab project and are currently working
with them to resolve the issue.
-Larry Blunk
Merit Network
Shin Yamasaki wrote:
> Hi,
>
> It s
Johnny writes:
>This discussion about plants, waterfalls and humidity is getting more
>and more off-tropic...
Humidity is not off topic for a general or specific datacenter
conversation - it's a fairly routine issue in facilities.
NANOG isn't facilities focused but I think that it comes up
enoug
> Marshall wrote:
> >This is of course off-off-topic, but I would suspect the room
> >temperature ultrasonic
> >misters, not dry ice or wood smoke.
> >
> >Regards
> >Marshall
>
> Concur.
>
> As anyone who works with air conditioning knows, ultrasonic are
> the low maintenance option for your hu
I would agree with the psychological effects. That would be a downside to
working in a place that aside from that is so unbelievably kickass.
-Original Message-
From: Jeff Shultz [mailto:[EMAIL PROTECTED]
Sent: Tuesday, December 02, 2008 1:28 PM
To: NANOG list
Subject: Re: an over-the-to
Marshall wrote:
>This is of course off-off-topic, but I would suspect the room
>temperature ultrasonic
>misters, not dry ice or wood smoke.
>
>Regards
>Marshall
Concur.
As anyone who works with air conditioning knows, ultrasonic are
the low maintenance option for your humidifier units anyways.
Marshall Eubanks wrote:
On Dec 2, 2008, at 2:25 PM, Brian Raaen wrote:
Maybe it isn't dry ice Maybe it is from liquid oxygen, in which
case it
better be a smoke free workplace.
This is of course off-off-topic, but I would suspect the room
temperature ultrasonic
misters, not dry ice
On Dec 2, 2008, at 2:25 PM, Brian Raaen wrote:
Maybe it isn't dry ice Maybe it is from liquid oxygen, in which
case it
better be a smoke free workplace.
This is of course off-off-topic, but I would suspect the room
temperature ultrasonic
misters, not dry ice or wood smoke.
Regards
Maybe it isn't dry ice Maybe it is from liquid oxygen, in which case it
better be a smoke free workplace.
--
Brian Raaen
Network Engineer
[EMAIL PROTECTED]
On Tuesday 02 December 2008, Jay Hennigan wrote:
> The Anarcat wrote:
> > On Tue, Dec 02, 2008 at 11:19:36AM -05
Cogent claims route corruption on a router...it would be nice to see
their network status messages keeping in sync with their network.
On Tue, Dec 2, 2008 at 10:06 AM, Chris Cariffe <[EMAIL PROTECTED]> wrote:
> anyone else feeling this?
> http://www.internethealthreport.com/Main.aspx?Destination=
The Anarcat wrote:
On Tue, Dec 02, 2008 at 11:19:36AM -0500, Jeremy Jackson wrote:
Seems like dry-ice was used to make the "tropical fog" in the photos,
not water poured over hot rocks like a sauna/bath house.
I've tried to avoid stating the obvious reading through all this funny
thread, but I
On Tue, Dec 02, 2008 at 11:19:36AM -0500, Jeremy Jackson wrote:
> Seems like dry-ice was used to make the "tropical fog" in the photos,
> not water poured over hot rocks like a sauna/bath house.
I've tried to avoid stating the obvious reading through all this funny
thread, but I can't help it now.
anyone else feeling this?
http://www.internethealthreport.com/Main.aspx?Destination=Sprint
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Hash: SHA1
On 2 dec 2008, at 00.47, Randy Bush wrote:
Despite the huge amount of "content which transcends the language
barrier" [tip of the hat wbn], it is worth noting that there is
a non-trivial amount of language-/culture-specific traffic that
doesn't nee
On Nov 28, 2008, at 8:34 AM, Steven M. Bellovin wrote:
http://royal.pingdom.com/2008/11/14/the-worlds-most-super-designed-data-center-fit-for-a-james-bond-villain/
(No, I don't know if it's real or not.)
--Steve Bellovin, http://www.cs.columbia.edu/~smb
It has become de ri
On Nov 28, 2008, at 4:04 PM, Jean-François Mezei wrote:
Måns Nilsson wrote:
Exactly where is of course known in the business, but not so well
that it
is OK to post their locations on Nanog.
The problem with this mentality is that it does not deter those
wishing
to do harm to the data
On Tue, 2008-12-02 at 10:33 +0100, Måns Nilsson wrote:
> > 4) With all of that fog and plant life, I wonder how they critically
> > manage humidity. [Or if they even do].
>
> I have been told by people who have been working with the construction of
> this very site that it is an unusually dry ca
On 1 Dec 2008, at 19:19, Lyndon Nerenberg wrote:
An alternative would be to run a microwave link to shore, but I'm
not sure I would want to bet the farm on the mechanics necessary to
keep the dish aligned.
Actually this is pretty straightforward. Systems exist for getting
rock steady
Mikael Abrahamsson wrote:
On Mon, 1 Dec 2008, Deepak Jain wrote:
3) No one cares if the server farm is blast proof (it isn't), if the
connectivity in/out of it gets blasted (submessage: silos were meant
to deliver one thing, datacenters aren't in the same operational
model once they need conn
Hi There,
Any yahoo! Mail server admins on list? Can you ping me?
Paul
Paul Kelly
Technical Director
Blacknight Internet Solutions ltd
Hosting, Colocation, Dedicated servers
IP Transit Services
Tel: +353 (0) 59 9183072
Lo-call: 1850 929 929
DDI: +353 (0) 59 9183091
e-mail: [EMAIL PROTECTED]
we
--On måndag, måndag 1 dec 2008 18.19.14 -0500 Deepak Jain <[EMAIL PROTECTED]>
wrote:
> 1) This datacenter is only 12,000 sq ft. (submessage: who cares?)
For some things, it is OK. It is not the only one, only the best marketed
one.
> 2) The generators are underground. A leak in their exhaust sy
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