Reviewed "High performance browser networking"

1. High Performance
browser networking
Eric Ahn
2015

2. Latency
• Propagation delay
• Transmission delay
• Processing delay
• Queuing delay

3. Router - Bufferbloat
• 2010, Jim Gettys
• Router
• Large incoming buffer
• Problem : Congestion avoidance mechanism
• Solve : CoDel active queue management algorithm
• Applied Linux 3.5+ kernel
• ACM Queue : Controlling Queue Delay, http://hpbn.co/
aqmacm

4. Last-mile Latency

5. Global average connection and average peak connection

6. Important of last mile
Leading Mobile Browser(cellular network) : Chrome

7. Important of last mile
Leading Mobile Browser (all networks): Chrome

8. TCP
• TCP version
• IPv{1,2,4,5,6}
• IPv4 : Introduce in Sept,1981
• IPv5 : Internet Stream Protocol
• IPv6 : Intended to replace IPv4

9. 3-way Handshake

10. TCP connection delay
• 3-way handshake delay
• burden sync -> sync-ack -> ack message

11. reference : High Performance browser networking by Ilya
Grigorik