星期二 十月 30, 2007

Shanghai Tech Day

Last week I went to Shanghai tech day. This is my first time to be in Shanghai, and my impression about Shanghai is that it is a very...very modern city. It contains all the modern symbols as a big city: skyscrapers, fashion girls, terrible traffic, and subway rush hour.

Here's some photos I got from Shanghai. The landscape of the Bund, the Oriental Pearl, and the subway.

 When I write in English, I tend to overlook the main point about the topic. Yes, this should be a blog about Sun tech day, not street photography in Shanghai. So, my presentation in Shanghai Tech day is about "OpenSolaris networking for developers", it is a slice put together by Nicolas targeting at software developers.

In this forty minutes presentation, I covered topics like SCTP/SDP/Crossbow/Kernel socket/Clearview/Nemo...that's a lot of topics. And guess which one got most attention? Not crossbow, because there were already enough speakers covered this project. Well, the answer is kernel socket. It seems to me software developers are very interested in seeing this project, they want to know what they can do with this project, as they are already familiar with socket applications. I admit this is a little bit surprise to me, maybe I should put more slices in the Beijing tech day this week.
 

星期一 五月 28, 2007

The Packet Event Framework Open Sourced

A quick question would be "How soon?". Well, right after I got an account from Sun Download Center, plus the time to upload the big BFU archives and source codes tarballs. So it's really soon unless there are too much traffic on the internet such that my cable connection becomes as slow as a 56Kbps modem. Then you will see the files listed here, and of course you need to follow some instructions here to download and install it on your favorite OpenSolaris distributions, and you need to run a modified version of Iperf or Ping-Pong to see the benchmark results. What is more, if you want to dive a little more deeper, read the man pages here and try to find and understand them in the source codes.

I have been working on PEF for a while, and finally we archived this first milestone. It took us a long time to reach this point, and it is still a long way to go. Among all the obstacles we have encountered, performance issues are the most nasty ones. Even now there are several performance curves glued on my cubic, and they constant reminds me what we have archived, where we were and where we need to go.

So what's next? We will focus on the API part to allow third party modules to integrate into PEF. In fact, we are seeking for input from both inside Sun and outside to help design these APIs. If you have some thoughts about PEF and enthusiasm in networking architectures, feel free to drop me a note here or send me an email at eric dot yu dot sun dot com.

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