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Paul Vixie
Works at Farsight Security, Inc.
Attended Keio University
Lives in La Honda, California
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Paul Vixie

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why is anybody taking HTT seriously? there's no alu nor L1C, it's just a set of registers. disable it, right?
 
PostgreSQL/FreeBSD performance and scalability on a 40-core machine.
Thanks to +Konstantin Belousov 
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When I studied HT in college they weren't available in commodity CPU yet, but the basic idea is to minimize the impact of pipeline stalls that arise due to memory fetches.

Of course how effective this is depends on the workload, as +Leo Bicknell points out.

A lot of the downside of Intel's HT is related to wanting to get them to provide benefit to systems that hadn't been designed with them in mind. This is at the heart of a lot of Intel's CPU architecture, from the need for hefty branch prediction to speculative execution. (Itanium was going to let us cast off this baggage as long as we all bought into the VLIW dream, you can either blame or thank AMD for avoiding that outcome...)

Paul Vixie

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Compared to DNSSEC, 7 years is fast. These guys did great work here.

"Seven years is a long time to work on a specification, even one as important as HTTP. While we knew it would take a while, we didn’t anticipate it taking this long, and the world has changed considerably since we started."

https://www.mnot.net/blog/2014/06/07/rfc2616_is_dead
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Paul Vixie

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"reset the net" is silliness. ignore it; it'll pass.
 
Reset the Net
Are you supporting the movement?
The NSA is exploiting weak links in Internet security to spy on the entire world, twisting the Internet we love into something it was never meant to be: a panopticon.
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Henry Linneweh's profile photoShane Kerr's profile photoScott Doty's profile photoTim Russell's profile photo
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Hmm...seemed like a noble effort to me, even if a bit Quixotic.

And knowing what I know, I'm a bit discomfited that you would have a negative attitude toward such efforts.

Paul Vixie

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Another year another birthday cake in binary.
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Ted Lemon's profile photoMikel King's profile photoScott Doty's profile photoBarry Beams's profile photo
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64 is a lot more doable than 128. But how do you tell the difference between 64 and 1? At least 51 is a palindrome.

Paul Vixie

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any person or ideology who or which can't tolerate informed dissent is thereby demonstrably weak.

any leader who can only hold power by force and fear is unfit to lead.

in fundamentalism of any creed (christian, islamic, or other -- makes no difference) we see the ancient fears and hatreds from the oldest part of human animal nature. and: i am unimpressed.
 
CFI has learned today that Raif Badawi, the persecuted Saudi dissident, has had his sentence for "insulting Islam" increased to 10 years from 7, 1000 lashes from 600, and an enormous fine equal to about $267,000 US. He still faces the threat of the death penalty for apostasy.

WE WILL KEEP FIGHTING FOR HIS FREEDOM. 

+1 and share this post to SHOW YOUR SUPPORT and tweet with #IStandWithRaif

Show support on Facebook: http://goo.gl/lFQJs6

Learn more about Raif's case here: http://bit.ly/Raif_Badawi
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This is deplorably sad 

Paul Vixie

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My friend Steven Schwab down at ISI is looking for a few good security research programmers for a DARPA project. I highly recommend this work environment, and it won't require living full time in Los Angeles.
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I heard from a DARPA program manager that they are going to do one of their "challenge" events on the topic of automated defensive software.

http://www.darpa.mil/cybergrandchallenge/

Here's the summary:

The DARPA Cyber Grand Challenge (CGC) is a tournament for fully automated network defense. Similar to computer security competitions currently played by expert software analysts, the CGC intends to allow groundbreaking prototype systems to compete for the first time in a “league of their own.” During the competition, automatic systems would reason about software flaws, formulate patches and deploy them on a network in real time. The CGC would unite program analysis experts with the computer security competition community to bring automation research out of the lab and into the field. By acting at machine speed and scale, these technologies may someday overturn today’s attacker-dominated status quo.
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Paul Vixie

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While in Bratislava last month to present a talk with the dark title of << Defective By Design -- How The Internet's Openness Is Slowly Poisoning Us All >>, I was honoured by the faculty of the college of Information Technology at the Technical University of Bratislava, with the Wolfgang von Kempelen award "za vyznamny prinos k rozvoju internetu" ("for significant contribution to the development of the Internet").

Having taken an unconventional path through the academic world, I had to read up on von Kempelen. He is best known in the literature as the inventor of The Turk, a fake mechanical chess player. Definitely a kindred spirit, though like me, he also did some non-fake work including a mechanical reproduction of the human speech tract, and an accompanying text that informed the speech synthesis world later on when computers became powerful enough to synthesize speech.

Thanks to the Slovenskej technickej univerzity v Bratislave for considering me for this honour.
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Hagen Paul Pfeifer's profile photoPaul Vixie's profile photoCal Thixton's profile photoKevin Oberman's profile photo
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Thank you +Paul Vixie

Paul Vixie

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Knot DNS 1.5.0 will be the first released name server to support 'dnstap'. See https://dnstap.info/ for more details. Kudos to the Knot team, who went hundreds of kilometers out of their way, on a national holiday, to meet with us and begin integration of this code.
 
CZ.NIC Labs just released the Knot DNS 1.5.0 release candidate, and boy, there's a slew of new stuff - pluggable modules, IPv4/IPv6 synthetic forward/reverse records, dnstap query logging.
Slender, better, faster, stronger.
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Nicely done, and a touch of humor. Good going!!!

Paul Vixie

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this is a ballsy move, and i applaud it. opendns is a great company (based on their people, their products, and the love they inspire in their customers. it's sad that advertisements really are a first order malware vector at this point, but that's reality, and david's calling it what it is. sweet move, guys.
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Great move... who is concerned about who will step up to fill the vacuum left by this change?

Paul Vixie

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I'm not just a Dan Geer fan. He really is that good:

"Whether to insist that embedded devices self destruct by some predictable age or that remote management of them be a condition of deployment is the question, dare I say the national policy question, that is on the table."
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 "Interdependence within society is today absolutely centered on the Internet beyond all other dependencies excepting climate, and the Internet has a time constant five orders of magnitude smaller "

Paul Vixie

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like the sign says -- check out BIND9 9.10 if you're at all interested in DNS. "this is not your grandfather's BIND9".
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R Primus's profile photoL Jean Camp's profile photoTodd Underwood's profile photoJoe Klein's profile photo
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I grew up with  classic bugs so I am can understand your sympathies. Thanks for explaining the organizational traditions!

Paul Vixie

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Collaborative Security (WISCS 2014), CFP ends July 1 (~60 days)

I know that a lot of you are doing work "sharing of security related information". What I'm hoping is, some of you are ready to write about it by July 1 and then present your work in person on November 3 in Scottsdale.

wiscs2014
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Have him in circles
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  • Farsight Security, Inc.
    CEO, 2013 - present
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  • Keio University
    computer science, 2007 - 2011
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Room 110 is directly above the lobby. The music in the lobby was left on all night, in spite of a complaint to the lobby staff. June 12 2014 there was no way sleep was going to happen in that room. Sign me sleepless in Copenhagen. It is now 4:29am.
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