bitTiger: Load balancer - presentation in Chinese

Here is the link. 

OSI Layer - Protocol data unit (PDU)

Data

TCP/UDP

IP

Mac

Bit

Load balancer: 

Application Delivery Controller/ Network (ADC/ ADN)

Load balancing algorithm:  round robin 

My study notes:

I just could not believe how good the presentation is, and I learned a few things. It is interesting to see how load balancer is configured in a small program.