On (2014-04-03 21:25 -0700), Will Orton wrote:
There are commercially available NTP servers with GPS + Rb oscillators... for
NTP
use you could basically let it sync up a couple days, disconnect the GPS and
let
it freerun. You'd still be within a millisecond of GPS even after a couple
On 04/04/2014 01:51, Jimmy Hess wrote:
On Thu, Apr 3, 2014 at 1:46 PM, Brandon Ewing nicot...@warningg.com wrote:
On Thu, Apr 03, 2014 at 01:26:58PM -0400, Michael Brown wrote:
Did you purchase SMARTnet when you bought the device? If you didn't,
you're probably SOL.
This is not true. Cisco
That Upstream B is simply accepting everything
their customer is sending to them without applying proper filters, or checking
to confirm that what their customer needs to send them should come from
them is absolutely and unacceptably shocking!
I wonder when (or if ever) we'll have such a
On Fri Apr 04, 2014 at 09:42:29AM +0200, Laurent CARON wrote:
My device is indeed supposedly covered by a lifetime warranty. Since I'm
still in the timeframe of less than 5 years after EOS...it should be
good...should.
The *Limited* Lifetime Warranty is only offered to the original purchaser
On 04/04/14 17:29, Saku Ytti wrote:
On (2014-04-03 21:25 -0700), Will Orton wrote:
There are commercially available NTP servers with GPS + Rb oscillators...
for NTP
use you could basically let it sync up a couple days, disconnect the GPS and
let
it freerun. You'd still be within a
On 04/04/14 10:16, Majdi S. Abbas wrote:
On Thu, Apr 03, 2014 at 06:55:02PM -0400, David Hubbard wrote:
Anyone have recommendations on NTP appliances; i.e. make, model, gps vs
cell, etc.? Roof/outdoor/window access not available. Would ideally
need to be able to handle bursts of up to a few
On Thu, 3 Apr 2014, David Hubbard wrote:
Anyone have recommendations on NTP appliances; i.e. make, model, gps vs
cell, etc.? Roof/outdoor/window access not available. Would ideally
need to be able to handle bursts of up to a few thousand simultaneous
queries. Needs IPv6 support.
For some
On 04/04/2014 05:06 AM, Sharon Goldberg wrote:
Finally, like Randy says, RPKI deploys quite different from BGPSEC. My
intuition says that (1) once the RPKI is fully populated with ROAs for all
originated prefixes, then (2) a partial deployment of origin validation at
a few large ISPs should be
On (2014-04-04 20:37 +1100), Julien Goodwin wrote:
Meinberg[0] pegs rubidium at ±8ms per year, if you need NTP to do say single
direction backbone SLA measurement you want to have microsecond precision.
Those two statements don't go together.
Point I was making is that free-running
I recently saw an interesting talk about this at 30c3, this is the way some
French ISPs are solving this:
http://media.ccc.de/browse/congress/2013/30C3_-_5391_-_en_-_saal_6_-_201312291130_-_y_u_no_isp_taking_back_the_net_-_taziden.html
D.
Oplerno is built upon empowering faculty and students
On 04/04/14 21:48, Saku Ytti wrote:
On (2014-04-04 20:37 +1100), Julien Goodwin wrote:
Meinberg[0] pegs rubidium at ±8ms per year, if you need NTP to do say single
direction backbone SLA measurement you want to have microsecond precision.
Those two statements don't go together.
Point I
So what, that sends IP packets, are you using to *measure* it. I can
Agilent if we need unidir. Normal run-of-the-mill 10GE SP router will give you
low single digit microsecond jitter when not congested. (You can run 99.99% no
problem, as long as you don't try 100% (i.e. 1 interface sending)).
On 4/3/14, 4:52 PM, char...@thefnf.org wrote:
Hello everyone,
It's been some time since I've been subscribed/replied/posted here (or
on WISPA for that matter). I've been pretty busy running a non profit
startup (protip: don't do that. It's really really terrible) :) I'm
cofounder and CTO of
On 2014-04-04 09:08, Mark Radabaugh wrote:
On 4/3/14, 4:52 PM, char...@thefnf.org wrote:
Hello everyone,
It's been some time since I've been subscribed/replied/posted here (or
on WISPA for that matter). I've been pretty busy running a non profit
startup (protip: don't do that. It's really
On Fri, Apr 4, 2014 at 1:15 AM, Mark Tinka mark.ti...@seacom.mu wrote:
On Friday, April 04, 2014 05:06:22 AM Sharon Goldberg wrote:
We also looked at prefix filtering and found that it has
better partial deployment characteristics. Our analysis
assumed that ISPs only filter routes from
On 04/04/2014 16:17, Sharon Goldberg wrote:
we assumed that no one filters their downstreams downstreams.
plenty of organisations do this. it can easily be done with irrdb AS sets.
Nick
On Fri, Apr 4, 2014 at 11:17 AM, Sharon Goldberg gol...@cs.bu.edu wrote
Actually, since this is NANOG, might as well ask:
Do you all view filtering your downstream's downstreams as much more
difficult than filtering only downstreams, or only stub ASes? Do you have
a sense for how many
Quoting Julien Goodwin na...@studio442.com.au:
Show my anything short of a classic SONET transmission system (or
perhaps sync-E) where you actually have something with jitter that
low [tens of microseconds].
Since you asked, here you go: http://i.imgur.com/DvMJd5y.png
Two EndRun Unison GPS
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
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Recent Table History
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Interval: 27-Mar-14 -to- 03-Apr-14 (7 days)
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TOP 20 Unstable Origin AS
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1 - AS36998 69594 2.8% 42.5 -- SDN-MOBITEL,SD
2 - AS982964062 2.6% 63.1
Folks,
Anyone have a contact at Tishman that can help me with perimeter
security concerns at 165 Halsey? The situation in the neighborhood is
currently unsatisfactory (and unsafe) and I'd like to engage the
landlord directly. Currently a tenant of a colo provider, not the
landlord directly.
Ping
Offered for your amusement--no followup.
http://kottke.org/14/04/the-anternet
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