High Performance Browser Networkingのまとめスライドです 研究室でネットワークに興味を持った人ように作ってます。 2章 TCPの構成要素

1.
B2 shuya (@otimsusya69)
2 TCP

2. 2 TCP
2.1 3
2.2
2.2.1
2.2.2
2.2.3
2.3
2.4 HOL
2
2.5 TCP
2.5.1
2.5.2
2.5.3
( )
( )

3. *
TCP IP
IP (Internet Prorocol)
(
) ( )
3 *
TCP (Transmission Control Prorocol)
TCP

4. 2.1 3
https://ja.wikipedia.org/wiki/3
4 SYN=Synchronize ACK=Acknowledge *TCP
( )
( - )
( )
http://chimera.labs.oreilly.com/books/1230000000545/ch02.html#TCP_HANDSHAKE
SYN
→Snder * X
SYN ACK
→Receiver X 1 Y
ACK
→Receiver X Y ACK

5. 2.2
5
( )
→
(ex. )

6. 2.2.1
Receiver
Receiver
Sender
6
(rwnd)
Reciever Sender
rwnd (ex. rwnd )
(rwnd 0 )

7. 2.2.2
7
Reciever-Snder
( )
http://chimera.labs.oreilly.com/books/1230000000545/ch02.html#SLOW_START
3
ACK

8. 2.2.3
8
/

9. 2.3
9
(Bandwidth-delay,BDP)
→
,,,
ACK
ACK
rwnd cwnd

10. 10
TCP
TCP
HoL
2.4 Hol
HoL=Head of Line
HoL

11. 2.5TCP
11
TCP
()
TCP
( )
( )
$> sysctl -w net.ipv4.tcp_slow_start_after_idle=0
( )
( )
$> sysctl -w net.ipv4.tcp_window_scaling=1
TCP Fast Open
(SYN )

12. • IT [IP]
http://e-words.jp/w/IP.html
• IT [TCP]
http://e-words.jp/w/TCP.html
• Wikipedia 3
https://ja.wikipedia.org/wiki/3
• IT [ ]
http://e-words.jp/w/%E8%BC%BB%E8%BC%B3.html
• 3 Networking
http://www5e.biglobe.ne.jp/%257eaji/3min/42.html
12