网络学习 - 1 - 常用网络协议的报文头

From RFC 2001, W.Stevens, 

TCP 拥塞控制的特征：

1. Slow Start

2. Congestion Avoidance

3. Fast Retransmit

4. Fast Recovery Algorithm

IPv4 报文头

RFC 791： http://www.faqs.org/rfcs/rfc791.html

IPv6 报文头

RFC 2460: http://www.faqs.org/rfcs/rfc2460.html

TCP 报文头：

RFC 793: http://www.faqs.org/rfcs/rfc793.html

TCP 发展历史

§RFC 675 (Vinton Cerf, Yogen Dalal, Carl Sunshine  1974)

4Specification of InternetTransmission Control Program

§RFC 761 (Jon Postel 1980)

4DoD standard Transmission ControlProtocol

§RFC 793   (Jon Postel 1981)

4Transmission Control Protocol

4the foundation of the TCP standard 

§1122 (R. Braden,1989)

4Requirements for Internet Hosts -Communication Layers

§1323 (V. Jacobson et al., 1992)

4 TCP Extensions for HighPerformance

§2001 (W. Stevens, 1997)

4TCP Slow Start, CongestionAvoidance, Fast Retransmit, and Fast Recovery Algorithms

§2018  (M. Mathis et al.,1996)

4TCP Selective AcknowledgmentOptions

§2581 (M. Allman, V. Paxson, W. Stevens, 1999)

4TCP Congestion Control 

实例：用Wireshark在网卡上截获的包

自习看这段报文

可以发现mac帧内包含着ip帧，ip帧内又包含这tcp帧。

将例子中的格式和报文头map，可以形象地学到更多的东西。