To improve the performance of TCP in such a scenario, a dynamic-segment method for MAC 802.11 is proposed.
针对上述问题，在802.11协议的MAC层提出了一种新的校验机制，采用动态分块校验的方法对数据包进行验证，并采用新的方法来计算重传次数。
To improve the performance of TCP in such a scenario, a Dynamic-Segment method for MAC 802.11 is proposed.
针对上述问题，本文在802.11协议的MAC层提出了一种新的校验机制，采用动态分块校验的方法对数据包进行验证，并采用新的方法来计算重传次数。
When a TCP segment is received, the TCP router knows which port to pass it to by looking at the port number in the TCP header.
当接收到一个TCP段时，TCP路由器通过查看TCP报头中的端口号就知道向哪个端口传送包。
The influence of ABR mechanism to the performance parameters of TCP congestion window is discussed in chapter five, especially under the WAN environments. We propose an analysis model, calculate out the maximum ramp-up time of TCP congestion window, the transmission time of the first segment and some other parameters.
本章的分析表明，在广域网中，传输时延较大，链路的双程传输时延对TCP拥塞窗口的性能有较大的影响；而在低时延的局域网中，ABR机制对TCP拥塞窗口的性能起主要的影响作用。
The data capture mainly gathers the data from the network. Protocol analysis can analyse every segment of the data packet according to protocol standard. Data recover can recover all the data of the application layer of the TCP connection. IP spoofing can construct all kinds of packets and realize the network attack. Real-time interruption can interrupt the TCP connection of Both sides of communication as the third party. Fire wall can realize network access control. Then the system can protect the network information safety from many aspects.
数据捕获主要完成从网络采集数据的功能；分析还原包括协议分析和数据还原两部分内容，协议分析可以对捕获到的数据包按照网络协议规范分别进行各协议字段分析，数据还原功能可以将每条TCP连接中传输的所有应用数据进行重新组合，还原出原来数据的内容；IP欺骗指构造各种功能的数据包，实现网络攻击；实时阻断指第三方实时阻断通信双方的TCP连接，禁止他们进行数据通信；防火晱D要实现网络访问控制，保护内部子网的功能。
In the latter case, the protocol layer calls tcp_output (), which sends a window update segment on to the network.
在后一种情况中，协议层调用tcpoutput（），将窗口更新段发送到网络。
The protocols of network level such as IP, ARP and ICMP are analyzed and implemented. Reliable stream segment transferring protocol TCP and the application level protocol HTTP is implement.
设计并实现了网络层协议IP、ARP、ICMP等，可靠流式报文段传输协议TCP以及应用层协议HTTP协议。
Sbappend () adds the data at the end of send buffer and tcp_output () sends the segment onto the interface.
sbappend（）在发送缓冲区的末尾添加数据，并且tcpoutput（）将该段发送到接口。
This paper presents two new mechanisms to improve the performance of wireless TCP, they are: the scheme of adjusting TCP's segment size based on retransmission ratio and the scheme of setting Round Trip Time (RTT) threshold based on estimated throughput.
本文提出了两种无线TCP改进机制，即：基于重传率调整TCP段尺寸的机制和基于吞吐量估计设置往返时间（RTT）门限检测网络拥塞的机制。
If the state is SYN_RCVD, then a RST segment is sent by setting the state to CLOSED and calling tcp_output ().
如果状态是SYNRCVD，则通过将状态设置为CLOSED并调用tcpoutput（）发送RST段。
The throughput efficiency formula is induced and the throughput efficiency CER relationship is demonstrated for several TCP segment length according to the characteristics of wide area networks traffic distribution.
首先，对TCP的吞吐量效率进行了理论分析，并根据广域网流量分布的特点，选取几个典型的TCP报文段长，得到了TCP吞吐量效率与误信元率的关系。
Once sending a segment, TCP sets a timer and waits for the ACK. Parameter Identifying of the ACARS Message
每发出一个报文段，TCP就设定一个定时器并等待确认信息。ACARS报文参数的辨识
Qq simulation interface tcp network programming, there are server-side and client segment.
详细说明：模拟qq界面的tcp网络编程，有服务器端和客户段。