JApan Network Operators' Group
JANOG39は株式会社DMM.comラボのホストにより開催します。

L4 to L7 technologies for L1 to L3 engineers would better know


Abstract:

I would like to share my troubleshooting experience from the point of the contents providers' view with the layer1-3 operators to solve the network troubles faster than ever.

With the troubles I have faced, I will show how contents providers deal with the troubles on the network.
And I would be happy if we could deepen the understanding between the contents and the network providers through my feedback, the contents analysis tips, and how the network should be.

- TCP state transition difference by Linux configurations
- Packet retransmission and how to find it
- Syncookie problems
- How to confirm the host name when an application communicate with TLS
- The behavior of ECN bit
- HTTP request headers, response headers and so on...


Presenter:

Junpei Yoshino (mixi, Inc.)