Nikita

@tehNerd

Professional Nerd

behind the terminal
Vrijeme pridruživanja: travanj 2009.

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  1. proslijedio/la je Tweet
    8. sij

    "Intelligent DNS based load balancing at Dropbox" describes using RUM data to optimize DNS GSLB for Dropbox Edge Network PoPs, by :

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  2. 8. sij

    Bay Area. Where the desire to get new book about bpf is so big, so the ppl are stilling it from your front door :p

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  3. proslijedio/la je Tweet
    5. kol 2019.

    I can think of few things that are more 2019 than an AI startup claiming to be able to classify job seekers by the shape of their skull.

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  4. proslijedio/la je Tweet
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  5. proslijedio/la je Tweet
    23. lis 2018.
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  6. proslijedio/la je Tweet
    10. lis 2018.

    Well, well, well. I just got a *major* AF_XDP speed up for retpoline enabled builds. I did not know that a jump table lookup to a switch-statement generated a dreaded __x86_indirect_thunk_rdx. I guess changing the switch to a nasty if/else-if/else comb is 2018.

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  7. proslijedio/la je Tweet
    6. kol 2018.

    My team just open sourced fizz , a performant implementation of tls1.3 in c++14. We also announced that more than 50% of Facebook traffic, and growing is now encrypted with tls1.3 and fizz just as rfc8446 is close to done

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  8. proslijedio/la je Tweet

    We are open-sourcing Fizz, our production-proven implementation of the new generation of Transport Layer Security (TLS 1.3). We believe Fizz is currently the largest deployment of TLS 1.3 — and its newest feature, early data — on the internet:

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  9. proslijedio/la je Tweet

    LPC Networking track talk: XDP 1.5 years in production. Evolution and lessons learned by Nikita V. Shirokov

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  10. proslijedio/la je Tweet

    We just released Katran - a high performance, scalable network load balancer. Check out the details at and see the code at

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  11. 28. velj 2018.

    nvm. found later in the post that this is common val and accounting for gtp overhead

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  12. 28. velj 2018.

    also: really good presentation and blog in general. really interesting stuff, thank you for writing this.

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  13. 28. velj 2018.

    we don't have this value for mss on any of our servers, so it's definitely something in between. wanted to read prod spec or something about this vendor (e.g. what are they doing, what the better way for us to optimize here etc (e.g. match our mss with 1380 etc)..

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  14. proslijedio/la je Tweet
    2. sij 2018.

    Yes - Intel does have broken speculative execution, (not an arbitrary read yet, but definitely a leak that shouldn't work)

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  15. proslijedio/la je Tweet
    17. pro 2017.

    Nice walk this morning

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  16. proslijedio/la je Tweet
    9. kol 2017.

    "The designer of a new kind of system must participate fully in the implementation." - Donald Knuth

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  17. proslijedio/la je Tweet
    5. lip 2017.

    I present to you: fidget spinner implemented in Python vs. fidget spinner implemented in C.

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  18. 29. svi 2017.

    Hey any update/post mortem on availability in UA for 104.17.64.0/20 (at least)?

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  19. proslijedio/la je Tweet
    24. tra 2017.

    Initial release of the "BPF & XDP Reference Guide" written by Daniel Borkmann. Open for learning and collaboration.

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  20. proslijedio/la je Tweet
    21. ožu 2017.

    So the Ikea LACK table ($10/7€) can be used to mount any 19" hardware, nice hack lol

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