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From Matthieu Morel <>
Subject Re: About the performance chart of hedwig in the presentation 'hedwig-oct.pdf'
Date Mon, 08 Jul 2013 09:03:38 GMT
Hi, the url for the (2 years old) presentation is :

There have been quite a few improvements since then, so the numbers from that presentation
are indeed probably not up to date (though I don't have new ones).


On Jul 8, 2013, at 05:02 , Zac Tse <<>>

Hey, guys. For the last two months, I've been trying to do some customization to NS2(Network
simulator 2) to enable it to simulate a wire-level protocol, which is totally based on hedwig's
idea but with some enhancement. And till last week, I finally managed to put all the features
together to make it a somewhat whole functional tiny system.

Here's what I need: some real data you guys at Yahoo! come up with in the brilliant presentation
hediwg-oct.pdf. When I went over these charts, performance chart to be more specific, I was
confused as to a couple of details:

  1.  How many publishers are there?
  2.  As to 100 topics and 1 subscriber per topic. Where are these subscribers located? On
its own physical machine?

These details are very crucial to the setting of my emulation, so please help me with this.

I've search the internet trying to find the screen cast for the presentation, but never succeeded.
If someone could show me the url, I'll appreciate it. Even better, the most recent benchmark
test result. :)

Beijing University of Post and Telecommunication
Zach Tse

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