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dsp

279 karma · joined September 13, 2009

https://dsp.name/

[ my public key: https://keybase.io/dsporter; my proof: https://keybase.io/dsporter/sigs/pV4cfrY-7Jk69s-cPgasBBqciu-Q6t82ox4CkY02Lws ]

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dsp··on SACK Panic – Multiple TCP-based remote denial-of-service issues
Disabling tso alone would not be enough. You also need to disable gso if you go that route.
dsp··on SACK Panic – Multiple TCP-based remote denial-of-service issues
Yes.

https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.gi...

dsp··on Visibility of IPv4 and IPv6 Prefix Lengths in 2019
CDNs, at least, are announcing /48s for traffic engineering. Some even depend on the specific for routing to work if they don’t have a backbone.
dsp··on $1.2T in risky corporate debt showing similar warning signs to subprime crisis
Buy credit-default swaps on said debt. The swaps can even be found bundled conveniently in ETFs. Not recommended; good luck.
dsp··on Major Mobile US Networks Pass 50% IPv6 Threshold for IPv6-Enabled Hosts
The numbers are right. If you want to compare to your own data you need to filter for users from the big four US mobile providers like mentioned in the post.
dsp··on Aaron Swartz's Thoughts on djb (2009)
Are you aware of the client location (%lo) support introduced in 1.04? Since it works at a per-record level---instead of per-zone---I find it more useful than the typical split view support.

http://cr.yp.to/djbdns/tinydns-data.html

dsp··on Cloudflare pledges to double SSL usage on the web in 2014
"company statistics suggest they route roughly five percent of global web requests"

What is CloudFlare's request rate, and how did they arrive at the five percent estimate?

dsp··on DNS Resolution: A Primer
DNS compression is actually described in section 4.1.4 of IETF RFC 1035:

  In order to reduce the size of messages, the domain system utilizes a
  compression scheme which eliminates the repetition of domain names in a
  message.  In this scheme, an entire domain name or a list of labels at
  the end of a domain name is replaced with a pointer to a prior occurance
  of the same name.
dsp··on Facebook Adds SPDY Support
Advertising http/1.1 via npn enables tls false start.

http://www.imperialviolet.org/2012/04/11/falsestart.html

dsp··on How to Launch a 65Gbps DDoS, and How to Stop One
I can't find any public reports topping ~100 Gbps. For example, here's a recent article that interviewed an Arbor employee and mentions a ~100 Gbps plateau:

http://www.techweekeurope.co.uk/news/ddos-attacks-power2012-...

dsp··on How to Launch a 65Gbps DDoS, and How to Stop One
Do you have a source for the 1 Tbps attack? I'd like to read about it, but my search came up empty-handed.
dsp··on Benchmarking Tornado vs. Twisted Web vs. Tornado on Twisted vs. Unicorn
His assertions are not confidence inspiring:

http://paul-m-jones.com/?p=413#comment-410123

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